Browse all practice questions for the Tissue Engineering Practice Exam. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

Tissue Engineering Practice Exam course image
More practice questions

These questions are part of the practice quiz. Start practicing

  • What protein makes tissue soft and elastic?
  • Which of the following is false regarding cell adhesion molecules (CAMs)?
  • Which method involves the injection of a charged polymer fluid onto an oppositely charged surface?
  • What landmark study from 1997 significantly advanced the field of tissue engineering?
  • True or False: Tortuosity is used to describe diffusion and fluid flow in porous media.
  • What is one primary challenge in using natural biomaterials for scaffolding in tissue engineering?
  • What is a common use of polymers in tissue engineering?
  • Integrin binding is dependent on which ion?
  • Which advantage is associated with co-polymerization?
  • Which of the following is an example of a Solid Bioglass Ceramic?
  • What is an accurate description of the normal physiological condition of annulus fibrosis tissue?
  • What is one advantage of using primary cells?
  • Which of the following is NOT a characteristic of tendons?
  • Choose the false statement.
  • Which of the following is not considered an advantage of embryonic stem cells?
  • How is bone remodeling regulated?
  • Biomaterials may be designed to not interact or specifically interact with biological systems.
  • What is the first step of intervertebral disc degeneration?
  • What is the primary purpose of scaffolds in tissue engineering?
  • In tissue engineering, what does a suitable interconnected pore network in scaffolds provide?
  • What is the steric stabilization force in cell adhesion?
  • For osteoporosis treatment, Sodium Nitroprusside (SNP) can cause:
  • Which of the following is NOT a characteristic of embryonic stem cells?
  • What characteristic is common to all junctional complexes in tissues?
  • What qualities should scaffold materials possess?
  • Which technique involves applying a charged polymer fluid onto a surface that is oppositely charged?
  • What happens to cells that do not adhere to the other cells around them?
  • Why is it insufficient to simply harvest cells and arrange them in a designed pattern for tissue engineering?
  • Which of the following is a key benefit of using natural polymers in scaffold design?
  • During which stage of mitosis do the chromosomes attach to a spindle microtubule at the centromere?
  • In the IVD AF study, what was observed in the unstrained control samples of biphasic scaffolds?
  • True or False: In bulk degradation, the molecular weight and mechanical properties remain unchanged over time.
  • Collagen Types I, II, III, V, and XI are examples of what classification of collagen?
  • What does direct cell writing involve?
  • What type of collagen is primarily found in bone?
  • In the process of bulk degradation, what aspect of the polymer remains unchanged?
  • Which forces must be considered when designing an IVD tissue-engineering strategy?
  • Which of the following materials is often used as a support structure in tissue engineering?
  • The spindles degenerate during what stage?
  • True or False: In vitro degradation of polymers occurs faster than in vivo degradation.
  • Which biomaterial property is essential for bone tissue engineering?
  • Which stem cells can form almost all types of cells in the body, excluding extra-embryonic tissue?
  • Which of the following stains can be utilized to characterize the state of mitochondria?
  • Which donor cell type is harvested from a donor of the same species as the recipient?
  • Which type of molecular interaction is most prominent in cell signaling?
  • What is the primary function of a scaffold in tissue engineering?
  • In electrospinning, the polymer fluid is typically in which state before ejection?
  • Homophilic Binding is best described by:
  • Which of the following is not a function of connective tissues?
  • The extracellular space contains a 3-dimensional array of protein fibers and filaments embedded in a hydrated gel of:
  • Which characteristic of molded scaffolds can significantly influence their mechanical properties?
  • Which cell adhesion receptor is a transmembrane protein that mediates cell-cell adhesion through homophilic binding?
  • All of the following are types of "proper" connective tissue, except:
  • What type of force causes repulsion between the surfaces of two negatively charged cells?
  • What is the main function of gap junctions?
  • Before implantation, what is the typical sequence of steps for tissue engineering?
  • Which of the following is not considered a natural biomaterial?
  • Which of these forces is not utilized by cell-cell and cell-surface adhesion?
  • Which of the following is NOT a primary function of tendons?
  • What is the primary concern regarding the ethical use of embryonic stem cells?
  • True or False: Tracers can traverse through the model and their distance can be tracked.
  • Which property of tendon scaffolds is essential for controlled delivery of growth factors?
  • What purpose does VEGF serve in tendon biology?
  • Which cell type is known to undergo facultative regeneration?
  • Which is a strength of adult multipotent stem cells?
  • In tissue engineering, what is the significance of scaffold degradation?
  • Which of the following can be classified as a tissue that serves mechanical support and protection?
  • What is a significant strength of embryonic stem cells?
  • Which of the following best describes the properties of reticular tissue?
  • What is an important factor in biomaterial selection for load-bearing applications?
  • Which factor is crucial for maintaining stem cell pluripotency?
  • What is the 2nd most common reason for visiting a doctor?
  • Which of the following are requirements for a successful cell cycle?
  • Which is NOT considered a scaffold fabrication technique?
  • Which glycoproteins in the ECM help guide migration?
  • Which type of biomaterial does collagen belong to?
  • Which mechanical property is essential for tendon function?
  • True or false? In IVD degeneration progression, herniated disc occurs after osteophyte formation.
  • Which cellular process is typically enhanced by the presence of mechanical loading in tissue engineering?
  • What is the main component of the extracellular matrix in tendons?
  • What governs the transport properties of diffusion and permeability in tissue engineering?
  • What phase of the cell cycle is DNA made?
  • What morphological change is observable in cyclically loaded tissue-engineered constructs?
  • Three-dimensional porous scaffolds play a critical role in both ________ and _________ strategies?
  • Cells need what three types of cues to grow and form tissue?
  • Which of the following is false about the Mitosis stage of Prophase?
  • Which type of cell adhesion is a direct result of osmotic imbalance?
  • What are the two different proteins present in the extracellular matrix (ECM)?
  • Which structure do tendons primarily connect?
  • Which technique allows for the creation of complex scaffold architectures?
  • For osteoporosis treatment, what effect can Nitroglycerin have?
  • What is the primary role of extracellular matrix (ECM) in tissue engineering?
  • Is porogen limited to organic materials only?
  • What is the G0 phase of the cell cycle?
  • Which component is essential for monitoring cell growth in tissue engineering?
  • Which of the following is a short-lived free radical bioactive molecule?
  • Which of the following is not an advantage of Tracer Analysis using CT images?
  • Sea-algae derived alginate is an example of a:
  • Which of the following is not a disadvantage or risk of treating osteoporosis with hormone replacement therapy?
  • What happens during the G0 phase?
  • Which of the following statements about cell adhesion molecules (CAMs) is false?
  • What is the major function of the Extracellular Matrix?
  • True or False: Bulk degradation is the degradation of material layer by layer?
  • Which statement is true regarding primary cells and cell lines?
  • Steric stabilization forces are a result of which of the following?
  • What is the most abundant component of the extracellular matrix (ECM)?
  • What is the main characteristic of the Fused Deposition Technique (FDM)?
  • Which of the following is NOT a specialized form of connective tissue?
  • Which of the following is not a stage of mitosis?
  • What was the effect of equiaxial mechanical strain on secreted collagen levels?
  • In the formula τ = L_0/L, what does the character τ represent?
  • If non-adhering cells don't die they can become _____ cells.
  • Which of the following techniques is considered scaffold-free?
  • What term refers to changes in cellular function based on substrate-bound adhesion molecules?
  • What type of cells are primarily used in tendon tissue engineering?
  • What is a common feature of non-woven fiber meshes?
  • Which factor influences the bioactivity of ceramics used in tissue engineering?
  • GAGs (glycosaminoglycans) are important for the ECM due to?
  • What type of cell is commonly used in tissue engineering?
  • For electrospun PLGA fibers, fibers are collected to create ___________ fibers, to mimic the native tendon tissue.
  • In which phase does DNA synthesis occur?
  • What does the term "biocompatible" best describe?
  • Which of the following is not included in Route 1 of gas foaming methods?
  • Which of the following statements about scaffold porosity and pore size is accurate?
  • Which force results from an osmotic imbalance in the gap region between a cell and surface?
  • Ligaments connect bones to...
  • Which type of strain did the EQUicycler facilitate for tissue constructs?
  • Which method is commonly used to assess the mechanical properties of tissue engineering scaffolds?
  • What is the role of tenocytes in the body?
  • How do Pluripotent Stem Cells differ from Multipotent Stem Cells?
  • Which of the following are key factors to tissue engineering scaffold design?
  • What type of binding is characterized by electrostatic interactions in cell adhesion?
  • Which of the following can be classified as a porogen?
  • What is a crucial aspect of tissue scaffold design based on the principles of electrospinning?
  • What is the primary purpose of electrospinning in tissue engineering?
  • What is a function of connectives involving energy storage?
  • If a cell source is labeled as allogenic, what does it mean?
  • What aspect is NOT part of the definition of tissue engineering?
  • True or False: The primary function of scaffolds in tissue engineering is to provide structural support for cells.
  • What is an important factor in determining the success of tissue engineering strategies?
  • Which of the following does NOT describe a tissue engineered scaffold?
  • What is the function of A: Vascular Endothelial growth factor (VEGF) in tendon tissue engineering?
  • How did equiaxial mechanical loading affect SOX-9 gene expression?
  • What is a disadvantage of infusing cells or cell substitutes?
  • What component is primarily responsible for the mechanical properties of tendons?
  • Which of the following is not a use for polymers?
  • Which type of cues is essential for harvested cells to form healthy tissues?
  • What does tD represent in the equation k=ln(2)/ tD?
  • Which commonly used technique involves the layering of materials to create a three-dimensional structure?
  • Which type of connective tissue stores energy and provides insulation?
  • What is an advantage of tracer analysis using CT images?
  • Which of the following is not classified as a cell junction?
  • Which of the following is NOT a natural polymer?
  • What is a defining feature of oligopotent stem cells?
  • Choose the false statement.
  • What does the abbreviation NO stand for in a biological context?
  • Which statement about solvent casting and particulate leaching is true?
  • What type of cell junction primarily allows for communication between adjacent cells?
  • Which environmental cue is NOT linked to changes in cell function?
  • Which of the following are effects of equiaxial strain applied using EQUicycler on cell viability?
  • Which property is essential for scaffold material selection in tissue engineering?
  • Identify a rapid prototyping technique from the following options.
  • Which statement correctly describes nerve tissue?
  • What are the two types of direct cell writing?
  • Which of the following is NOT a requirement for tissue engineering scaffolds?
  • What factors control pore size during freeze drying?
  • Which of the following is a type of biomaterial?
  • What is the primary role of tenocytes in tendon tissue?
  • What is one disadvantage of using xenografts in tissue engineering?
  • Which of the following is not considered an advantage of using an autograft for tissue engineering?
  • What is a key consideration when designing biodegradable scaffolds for tissue engineering?
  • True or False: The ASCs-embedded mechanically stimulated Collagen-PNCOL biphasic scaffold can potentially be utilized to repair the annular defects of the IVD.
  • In the healing of tendons, which of the following stages involves phagocyte recruitment?
  • A successful cell cycle includes:
  • Which of the following scaffold manufacturing methods lacks the ability to control the diameter of fibers produced?
  • Which of the following is not a characteristic of ceramics?
  • What is a characteristic of tenocytes isolated from tendon tissue used in tendon tissue engineering?
  • Which property is distinctive to stem cells?
  • Elastin is a structural protein that is similar to that of:
  • Why is electrospinning often a good option for tendon tissue engineering?
  • When a tendon heals naturally, what type of collagen fiber is the first to be deposited?
  • What role does mechanical stimulation play in tissue engineering?
  • Which type of hydrogel is often used for tissue engineering due to its high water content?
  • Which application is most likely associated with chitosan?
  • Lower or impaired levels of nitric oxide (NO) contribute to a decrease in what process?
  • Which clinical factor may inhibit tendon healing?
  • Is PLGA a synthetic scaffold material used in tendon tissue engineering?
  • Which matrix component is crucial for cell migration during wound healing?
  • Which of the following is NOT a strength of embryonic stem cells?
  • Which environmental cue does NOT change cellular function?
  • In which phase does a cell separate in the cell cycle?
  • Choose the false statement below.
  • True or false: the two deposition methods of direct cell writing are drop-on-demand and continuing.
  • What is an advantage of using pluripotent stem cells in tissue engineering?
  • What role do growth factors play in tissue engineering?
  • Which is not considered a scaffold fabrication technique?
  • Which of the following stem cell types is commonly classified as unipotent?
  • What is a common property of natural biomaterials compared to synthetic biomaterials?
  • Which of these are NOT one of the three requirements for a successful cell cycle?
  • What was the effect of equiaxial mechanical loading on tenogenic gene expression?
  • Which of the following are forms of rapid prototyping?
  • The main role of integrins in cell adhesion is to?
  • Which of the following is false about Tenocytes?
  • Which type of biomaterial is primarily used in the electrospinning process?
  • The motto of most cells is "Adhere or Die!" If non-adhering cells don't die, what kind of cells can they become?
  • What is the primary function of a desmosome?
  • What cellular process does IGF-1 promote in tendon-derived stem cells?
  • How does NO affect bone tissue?
  • What is the correct order of the Eukaryotic Cell Cycle?
  • Which term represents a natural scaffold that supports cells?
  • Which of the following is false regarding synthetic biomaterials?
  • What is Tissue engineering?
  • Which of the following describes types of IVD degeneration?
  • Which of the following is not an advantage of natural polymers?
  • Which of the following is NOT classified as a natural polymer?
  • How is bone remodeling primarily regulated?
  • Which of the following is NOT a function provided by scaffolds?
  • Which type of cell is typically in the G0 phase for the lifetime of an individual?
  • Which collagen class provides functional integrity by connecting epithelium to stroma?
  • Which growth factor is responsible for recruiting tendon progenitor cells and stimulating collagen production?
  • At which of the following phases does a cell replicate its DNA?
  • Which of the following is NOT an example of a cell adhesion force?
  • What is porosity a measure of in a material?
  • Which of the following does not cause resorption?
  • Which of the following is classified as a natural polymer?
  • Which statement about Polycaprolactone (PLC) is not true?
  • Which of the following types of cells are most often used in tissue engineering?
  • Which of the following is not a requirement for TE scaffolds?
  • In research task 2 of the IVD AF case study, did the cell viability stochastic predictions agree with the experimental results?
  • Which of the following is a key component in achieving tissue integration and remodeling?
  • What role does collagen primarily play in tissue engineering?
  • In which phase do chromosomes align at the equator of the cell?
  • What is a primary purpose of using tissue-engineered scaffolds?
  • Which of the following is false?
  • What pore size is commonly used for bone ingrowth?
  • What is tortuosity defined as?
  • Which of the following is NOT a type of cell junction?
  • What defines the main purpose of tissue engineering?
  • How many types of proteins are in the extracellular matrix?
  • Which is not a function of tendons?
  • What characteristic defines totipotent stem cells?
  • What biomanufacturing method involves ejection of a charged polymer fluid onto an oppositely charged surface?
  • What is Aggrecan?
  • Which of the following is not a Scaffold Fabrication Technique?
  • Which phase represents the gap between synthesis and mitosis?
  • Which of the following is NOT a function of the tendons?
  • Which property is essential for materials used in scaffold fabrication?
  • What is the correct progression of intervertebral disc (IVD) degeneration with increasing time?
  • Which is not a way that cells adhere?
  • What causes reduced mobility during the tendon healing process?
  • Which of the following is/are key factors in Tissue Engineering scaffold design?
  • A governing parameter that determines the transport properties of diffusion and permeability is defined by the ____?
  • Which type of cell adhesion receptor is not Ca2+ dependent?
  • Which statement is true regarding scaffold porosity and pore size?
  • Which biomaterial property is critical for implantation in sensitive biological environments?
  • What strain percentage and frequency will be used to mechanically stimulate biphasic scaffolds for annulus fibrosis repair?
  • Which characteristic is true of pluripotent cells?
  • Which of the following is false?
  • In which phase of mitosis do the spindle microtubules pull apart the daughter chromatids to each pole?
  • Which of the following is an example of a natural polymer?
  • Which of the following characteristics is essential for optimal function of tissue engineering scaffolds?
  • Which type of cells can differentiate into two or more lineages?
  • Which stem cells have the ability to form an entire organism?
  • Which statement accurately describes the process of biological development?
  • What is the correct order of the major steps in Tissue Engineering?
  • What factor is critical for chondrocyte survival and function in engineered cartilage?
  • For cell proliferation, do cells grow to form a monolayer on the surface and stop growing once a critical surface density is achieved?
  • Which of the following is not an application of pyrolytic carbon?
  • In tissue engineering, what does the term "biocompatibility" refer to?
  • Which of the following statements is FALSE about tendocytes, the primary cells in tendons?
  • What is one of the key sources of mesenchymal stem cells?
  • Which statement correctly describes the S Phase in the eukaryotic cell cycle?
  • True or False: More than 25 million people are affected by osteoporosis.
  • What is an example of a fiber mesh structure?
  • Which of the following does heterophilic binding not encompass?
  • True or false: Phase separation is capable of producing varied geometries such as pits, islands, fibers, and irregular pore structures.
  • Which of the following is not true about scaffolds?
  • What is a disadvantage of indirect fabrication techniques?
  • Which of the following factors does NOT influence cell adhesion?
  • True or False: Oligopotent stem cells can form cells from a single lineage.
  • During this phase of mitosis, the spindle microtubules contract and pull apart the daughter chromatids one to each pole of the cell.
  • What type of biomaterial is composed of inorganic compounds that contain metallic and non-metallic elements?
  • Which of the following is FALSE regarding the properties of polycaprolactone (PCL)?
  • Match the following polysaccharides with their correct functions: Energy reserve - _____.
  • What is a disadvantage of using ceramics in biomaterials?
  • Which of the following statements is true regarding tissue engineering?
  • Which of the following is not a function of tendons?
  • Which of the following is a requirement for a successful cell cycle?
  • Which of the following terms is used to describe diffusion and fluid flow in porous media, such as soils and snow?
  • Which of the following tendon injuries is due to trauma or accident?
  • Which conclusion was not part of research task 1 findings on EQUicycler?
  • Which materials are often used together in hip implant modular heads?
  • Which option incorrectly matches a cell adhesion receptor to its location?
  • Which of the following stem cells has the ability to form all three germ layers?
  • In the healing of tendons, the repair stage relates to which of the following?
  • The goal of cell adhesion is to get the body to accept biomaterials by getting cells to adhere directly to them. True or False?
  • What is the primary function of osteoclasts in bone tissue?
  • Which type of tissue has the highest regenerative capability?
  • Which process is primarily used to create a scaffold with controlled porosity?
  • What process involves the ejection of a charged polymer fluid onto an oppositely charged surface?
  • Which option accurately defines tortuosity?
  • Which of the following is a type of adult stem cell?
  • Tight junctions are best described as:
  • Which of the following is NOT a side effect of hormone replacement therapy for osteoporosis?
  • What is the desired outcome of using stem cells in tissue engineering?
  • Which method is used to enhance scaffold integration with host tissue?
  • Is there a demand for a NO delivery mechanism to improve osteoblastic cell functions?
  • What is the main feature of apoptosis compared to necrosis?
  • Which technology can be employed to evaluate the mechanical properties of engineered tissues?
  • True or False: The two forms of starch are amylose and amylopectin.
  • Which of the following outcomes is NOT linked to an increase in Estrogen?
  • Which of the following statements about collagen is true?
  • Which component of the IVD is primarily involved in providing tensile strength?
  • In tendon injuries, sharp ruptures are primarily due to?
  • What is electrospinning?
  • Which of the following is NOT TRUE about the EQUicycler used in research tasks related to annulus fibrosis tissue engineering?
  • What is the most common type of chronic pain?
  • Which tissue or organ has the highest capacity for self-renewal or regeneration?
  • Small channels between cells that allow for intercellular communication are called?
  • Which statement correctly describes advantages of synthetic biomaterials?
  • Tortuosity is the ratio of:
  • What is a significant challenge in tendon tissue engineering?
  • How has NO-plasma been shown to aid in bone tissue regeneration?
  • True or False: Induced pluripotent stem cells can differentiate into all three germ layers.
  • Which type of junction allows communication between cells?
  • Which of the following is considered a natural material in tissue engineering?
  • Which property of scaffolds is crucial for nutrient diffusion and cell mobility?
  • What type of stem cells are known for intermediate potency, being able to differentiate into multiple but not all cell types?
  • Does nitric oxide enhance bone formation and inhibit bone resorption?
  • Which cells excrete ECM molecules?
  • Which of the following about cell proliferation is not true?
  • Which of these is NOT a major step in Tissue Engineering?
  • This collagen provides structural integrity by connecting epithelium to stroma.
  • Mesenchymal stem cells are derived from which types of tissues?
  • Which of the following is a hybrid material that combines properties of both organic and inorganic materials?
  • Which property is essential for scaffolds to promote cell infiltration?
  • What is a common material used as a modular head on femoral stem hip implants?
  • What phase of the cell cycle involves chromatin condensation and visibility of chromosomes under a microscope?
  • Chondrocytes are typically isolated from which type of biological tissue?
  • What type of polysaccharide is the most abundant natural polymer?
  • Which Collagen type is primarily found in tendons?
  • Are there two routes of gas foaming scaffold manufacturing that involve foam forming agents or high-pressure CO2?
  • In which cell cycle phase does the chromatin condense and the nucleus disappear?
  • Which property is crucial for scaffolds used in load-bearing applications?
  • Which of the following reflects the correct order of events that occur during apoptosis?
  • Which of the following polysaccharides provides structural integrity?
  • How does collagen help in tendon function?
  • What are the types of fiber mesh?
  • In tissue engineering, what is the advantage of using biodegradable scaffolds?
  • Why does repaired tendon tissue fail to reach native biomechanical properties?
  • Which tendon function is NOT mentioned as a characteristic?
  • What procedure involves removing and manipulating cells for implantation in tissue engineering?
  • What property of polymers enhances their functionality in drug delivery?
  • True or False: Scaffolds are porous, degradable structures fabricated from either natural materials (collagen, fibrin, elastin) or synthetic polymers.
  • Which property of polymers makes them suitable for drug delivery systems?
  • What is a characteristic of gel-based systems for tendon tissue engineering?
  • What is the first phase of mitosis?
  • COL-V is a type of gene marker that was found to be what in response to equiaxial mechanical loading?
  • What properties are closely correlated to multipotent stem cells?
  • Which of the following is not an assay that is used to experimentally measure cell adhesion?
  • True or false: A cell approaching a surface is subject to both attractive and repulsive forces including steric stabilization force, electrostatic force, and Van der Waals forces.
  • Which technique is primarily used to create three-dimensional structures in tissue engineering?
  • Which of the following is NOT a recognized function of a tendon?
  • What feature of ceramics makes them suitable for certain biomedical applications?
  • True or False: A scaffold material must be biocompatible, biodegradable, and facilitate revascularization.
  • What is a common characteristic of a biocompatible material?
  • Which of the following physical forces during cell adhesion is an attractive force?
  • What stage of growth in Mesenchymal Stem cells (MSC) is after proliferation?
  • Which of the following was not a conclusion of the EQUicycler case study?
  • Which of the following is not a reason why natural polymers are frequently used in tissue engineering applications?
  • What is the typical range of pore sizes used for most bone ingrowth settings?
  • What is the role of porosity in tissue engineering scaffolds?
  • What is the earliest expressed component of ECM during embryonic development?
  • Where is dextran derived from?
  • What do 3D in vitro and in silico models offer for mechanobiology studies?
  • In tissue engineering, what is the role of bioactive factors?
  • What is the estimated socioeconomic cost of intervertebral disc degeneration in the US annually?
  • Which type of natural polymer is commonly found in the ECM?
  • Which growth factor is notably associated with increasing granulocyte recruitment?
  • What role do growth factors play in tissue engineering?
  • Regarding stem cells, the term potency is best defined as?
  • What is the primary function of tendons in the body?
  • What role do fibroblasts play in tendon healing?
  • Which ceramic-tissue attachment attaches by chemical bonding with bone?
  • What is a limitation of autografts used in tendon repair?
  • What is the most abundant natural polymer?
  • What is a key characteristic of scaffolds used in tissue engineering?
  • True or False: Homophilic binding involves a binding of a cell receptor to a ligand attached to an insoluble element of the extracellular matrix.
  • All of the following are problems when using a metal as a biomaterial EXCEPT:
  • This process involves the ejection of a charged polymer fluid onto an oppositely charged surface. What is it called?
  • Which of the following is an attractive force during cell adhesion?
  • Which of the following is NOT a requirement for tissue engineering scaffolds?
  • Which of the following is a benefit of using hydrogel in tissue engineering?
  • What component is important for tendon scaffold elasticity?
  • The Monod Model describes what aspect of cell behavior?
  • Binding of a cell receptor to a ligand attached to an insoluble element of the extracellular matrix is classified as?
  • Which of the following are requirements for tissue engineered scaffolds?
  • True or False: The requirement of a biomaterial to be sterilizable means that it will have no interaction with a biological system.
  • Necrosis is...?
  • What type of polymer is often used in creating scaffolds?
  • What type of tissue would you most likely find fibroblasts in?
  • Bone remodeling is regulated by the coupling of:
  • What is typically the first step in the cell cycle?
  • What is a disadvantage of using nitroglycerin as a treatment?
  • True or False. Tortuosity is the ratio of the length traveled by a particle in a medium to the shortest straight-line length of the medium. τ= L_0/L
  • Which materials are bioactive in the body, characterized by high wear resistance and low flaw tolerance?
  • What effect does tendon remodeling typically involve?
  • Which cell adhesion receptors are Ca-independent?
  • What is a primary function of a tendon?
  • What is an important characteristic of stem cells in tissue engineering?
  • Which property is crucial for bioactive scaffolds in tissue engineering?
  • During freeze drying, what happens to the polymers?
  • Which of the following is NOT one of the three main requirements for a successful cell cycle?
  • Which is NOT part of Interphase?
  • In tissue engineering, what is the main purpose of a scaffold?
  • What is the first major step involved in tissue engineering?
  • Is bone a highly active tissue that undergoes a continuous modeling/remodeling process?
  • Which type of cells are typically harvested for regenerative medicine?
  • What is one benefit of using adult stem cells in medical applications?
  • Which of the following is a limitation of the tendon healing process?
  • What type of stem cell has the capability to form an entire organism?
  • What is the current method used for repairing sharp ruptured tendons?
  • What is a major disadvantage of using natural polymers?
  • Which material is considered a synthetic tissue engineered scaffold?
  • What is the primary function of glycosaminoglycans (GAGs) in tissue engineering?
  • Classifications of cell junctions include all of the following, except:
  • What does it indicate when a material is capable of standing high pressures?
  • Which is NOT a function of collagen?
  • Which of the following is a characteristic of tendons?
  • True or False: Tendons have low mechanical strength.
  • Which of these is NOT a natural polymer?
  • Which of the following statements about porous ceramic materials is false?
  • Which type of "proper" connective tissue is loosely packed and surrounds blood vessels?
  • True or false: Scaffolds must degrade at a rate similar to tissue regeneration.
  • Electrospinning involves the ejection of a charged polymer fluid onto which type of surface?
  • Are hybrid materials utilized in tendon tissue engineering?
  • Which of the following is NOT a type of rapid prototyping?
  • Are collagen types IX, XII, and XIV the most abundant natural polymers in the body?
  • Which of the following is NOT a biodegradable polymer?
  • Does bone undergo a continuous process of modeling/remodeling?
  • Which of the following best describes the term "scaffold porosity"?
  • True or false? The structure type proteins that best characterize ECM are collagen and laminin.
  • Which type of stem cell is described by the highest level of pluripotency and unlimited self-renewal?
  • How long does it take for an embryo to produce stem cells capable of developing into any tissue in the body?
  • Which of the following do not dictate the physiologic function of NO?
  • Does mechanical strain regulate the gradual transition from cartilage to tendon structure to annulus fibrosus?
  • Which characteristic is NOT associated with tendons?
  • From which animal are bovine cells sourced?
  • What are cell adhesion molecules (CAMs) primarily responsible for?
  • What is the function of a desmosome in cell adhesion?
  • What is the primary role of the spindle apparatus during mitosis?
  • Tenocytes are best described as:
  • Porogens can be any of the following except:
  • What is the most common strategy used in tissue engineering?
  • Which of the following is a characteristic of mesenchymal stem cells often used in tissue engineering?
  • What term refers to the measure of the ability of a cell to form more specialized cells?
  • Which phase of mitosis is characterized by the separation of sister chromatids?
  • Scaffolds provide all of the following except:
  • What type of fiber mesh is typically made by intertwining threads?
  • Which choice is not a type of fiber mesh used in tissue engineering?
  • In which type of cellular interaction are cadherins primarily involved?
  • What are the two deposition methods of direct cell writing?
  • How many chromosomes are present in the S phase of the cell cycle?
  • Which tissue type has the highest capacity for regeneration?
  • Porogen leaching can be made out of which of the following?
  • Which of the following is not true about selectins?
  • Which is not a requirement of biomaterials?
  • What aspect of scaffolds is critical for cell migration?
  • Which combination of monomers is used to adjust hydrolysis rates of the polymer?
  • What are the symptoms associated with osteoporosis?
  • Which aspect of the scaffold design process is concerned with deciding between using a scaffold with pores on the scale of 50 to 1000 microns?
  • Which of the following is true regarding the mechanical properties of tissue-engineered scaffolds?
  • During what phase of the cell cycle do some cells exit the cycle in an indefinite period of rest?
  • Which is NOT a characteristic of primary cells used in tissue engineering?
  • Which statement about EQUicycler is false?
  • What is considered a limitation of Indirect Fabrication?
  • Compared to the unstrained control cells, what was observed in cells loaded with equiaxial strain?
  • Which of the following is a characteristic of necrosis?
  • Which is one of the three types of Mechanical Properties of Resorbable Ceramics?
  • Which of the following is NOT characteristic of ceramics?
  • Cadherins primarily mediate which type of cellular function?
  • Which phase of the cell cycle involves the replication of DNA?
  • What property of tendons contributes to their ability to transmit forces effectively?
  • What role does biomechanical loading play in tissue engineering?
  • Which is not a use of biodegradable bio-ceramics?
  • Three dimensional porous scaffolds play a critical role in:
  • Which of the following does an increase in porosity in a ceramic NOT result in?
  • Which of the following is true about scaffold porosity and pore size?
  • True or False? Cadherins are transmembrane proteins that mediate cell-cell adhesion through homophilic binding.
  • Which of the five types of "proper" connective tissue is fat storage?
  • Which form of scaffold is commonly used for liver regeneration?
  • What are some disadvantages of biodegradable polymers?
  • Which type of cells typically do not divide frequently?
  • What was utilized to investigate the potential differentiation of ASCs to AF phenotype?
  • Which of the following is not a natural polymer?
  • Which of the following about bone diseases and osteoporosis is not true?
  • What is Nitric Oxide?
  • Which is a physiological condition of annulus fibrosus tissue?
  • Tendons have which combination of mechanical strength, vascularity, and metabolic rate?
  • What is the longest phase in the cell cycle?
  • Which of the following stem cells is able to differentiate into the three primary germ layers?
  • Non-thermal dielectric barrier discharge (DBD) plasma is obtained by applying a high _________ voltage between two _______ separated by a ________ material.
  • For ceramics, which of the following pairings is incorrect?
  • Hydrogels are...
  • In tendon tissue engineering, which is a common scaffold material?
  • Which statement is true regarding mechanical strain applied to tissue constructs?
  • Which factor is crucial for the survival of cells in scaffold design?
  • If you were designing a new heart valve and wanted to coat it for blood contacting applications, what would you coat it with?
  • What is a role of tenocytes in the body?
  • Which of the following is NOT an aim of tendon tissue engineering?
  • Which option is NOT a phase of Mitosis?
  • What is the process where replicated chromosomes separate into distinct groups at each pole of the cell called?
  • Which of the following is not a type of ceramic-tissue attachment?
  • Which cell adhesion receptor is expressed on the surface of endothelial cells during an inflammatory response?
  • All of the following are roles of connective tissue, except:
  • Which is not a key property of metals as biomaterials?
  • What role do cells play in tissue and organ formation?
  • What is the main cellular function of Tenocytes?
  • What is the name of the process that involves ejecting a charged polymer fluid onto an oppositely charged surface?
  • What characteristic distinguishes natural polymers from synthetic ones?
  • True or false: Embryos respond to mechanical forces.
  • What is an essential factor for successful regeneration in tissue engineering scaffolds?
  • Which of the following is NOT a requirement in tissue engineering scaffolds?
  • Which describes the organization of collagen fibers in skin?
  • Which of the following ceramic-tissue attachment types involves a ceramic material attaching directly by chemical bonding with bone?
  • Which type of "proper" connective tissue includes the dermis?
  • What are the main aims of tendon tissue engineering?
  • Which of the following is the correct size of a collagen fiber?
  • Which of the following correctly matches the tendon tissue scaffold manufacturing technique with its characteristic?
  • What is a key requirement for tissue engineering (TE) scaffolds?
  • What is a common amino acid sequence recognized by some integrin receptors?
  • Which experimental method for measuring cell adhesion is difficult to quantify the force detaching the cells?
  • Which of the following is a physiological role of Nitric Oxide?
  • Which differentiation mechanism can be characterized by Nil Red-O staining?
  • In biphasic scaffolds loaded equiaxially, which gene was upregulated only in the outer region?
  • Which of the following is NOT a need for structural, mechanical, and chemical cues in tissue engineering?
  • What do scaffold surfaces NOT attempt to facilitate?
  • What are the advantages of synthetic biomaterials?
  • What type of scaffold material is often used in tendon engineering to enhance mechanical properties?
  • How do glycine and proline stabilize the structure of collagen?
  • Which part of the tendon structure is around 20-100 micrometers?
  • ________________ would be a good polymer choice for bone tissue applications, as it has a ________________ and is ________________.
  • What does differentiation refer to in stem cells?
  • Which cell adhesion receptors display Ca2+ independent binding?
  • Collagen has what type of helical structure?
  • What is false about the freeze drying method?
  • Are Collagen Type I and Collagen Type III found in the annulus fibrosus?
  • What is a disadvantage of using metal as a biomaterial?
  • Tendons have a ___ level of organization and are comprised of collagen ___.
  • True or False: The surface chemistry depends on the properties of the bulk material but is not only defined by the bulk material.
  • Which type of polymer degradation occurs predominantly in aqueous environments?
  • The outer layer of the annulus fibrosus primarily consists of which material?
  • Finite element analysis is particularly useful in assessing what aspect related to tissue engineering?
  • What is not considered a disadvantage of the tendon healing process?
  • Which of the following are types of fiber mesh?
  • Which type of stem cells can differentiate into any cell type in the body?
  • Changes in cellular functions may be due to which of the following environmental cues?
  • Which polysaccharide is used in energy storage?
  • Which is an advantage of synthetic biomaterials?
  • Autograft stem cells are considered risk free due to which of the following reasons?
  • Steric stabilization force originates from which phenomenon?
  • Which of the following is NOT a common use for Calcium Hydroxyapatite (HA)?
  • Which of the following is not a cell source in tissue engineering?
  • Which of the following is NOT considered a limitation of the tendon healing process?
  • True or False: Metals that are made correctly tend to have a high tensile strength, low reactivity, and good ductility.
  • Which is NOT a function of the Extra Cellular Matrix (ECM)?
  • Which of the following is FALSE about plasma modification advantages?
  • When describing the forces on cells, which statement is correct?
  • Which best describes a stem cell?
  • Which scaffold fabrication technique is NOT typically used?
  • Which stem cells maintain the capacity to self-renew and differentiate into more than one cell type?
  • Which dye is used for characterizing mitochondria function?
  • What is the main purpose of scaffolds in tissue engineering?
  • Tortuosity is defined as:
  • What type of stem cells can differentiate into connective tissues like bone and cartilage?
  • Which of these choices is NOT a source of adult stem cells?
  • What will regulate the gradual transition from cartilage to tendon structure of annulus fibrosus?
  • Which physiological process is NOT associated with Nitric Oxide?
  • Which of the following describes Porogen Leaching?
  • Which growth factor is least commonly associated with tendon tissue engineering?
  • Which of the following is not a function provided by scaffold surfaces?
  • What is the most abundant natural polymer?
  • In the study on annulus fibrosus tissue engineering, how did loaded cells perform as a control?
  • What characteristic is typical of thermoplastic polymers?
  • What type of materials exhibit high compressive strength but low tensile strength?
  • True or false? Collagen is the most abundant protein in the ECM.
  • What kind of binding involves the binding of a cell receptor to a ligand expressed on the surface of different cells?
  • True or False: The most abundant natural polymer in the body is collagen.
  • In cell adhesion mechanics, which type of forces are due to osmotic imbalance?
  • Which type of cells are primarily involved in bone tissue engineering?
  • Which cell type differentiates into tenocytes upon exposure to growth factors?
  • Patient DNA match is a strength of induced pluripotent stem cells?
  • Which of the following is an example of an adhesive glycoprotein?
  • What is the most common adhesive glycoprotein found in native ECM?
  • What is the most abundant proteoglycan in the annulus fibrosus (AF)?
  • What are large, complex structures that form slowly but generate very strong and durable connections on the cell surface?
  • What structure within the cell is associated with cell adhesion and signaling?
  • What is a key characteristic of stem cells?
  • Proteoglycans contain up to what percentage carbohydrate by weight?
  • Which factor is critical in determining the physiological function of Nitric Oxide?
  • In tissue engineering, what role do scaffolds play?
  • Which types of injuries are classified as tendon injuries?
  • Which characteristic is NOT a focus in tendon tissue engineering?
  • Scaffold ____________ is the most important factor in scaffold design.
  • What role do cytokines play in tissue engineering?
  • What is the primary method for assessing cell viability in adhesion studies?
  • What is the impact of mechanical forces on engineered tissues?
  • Where do chromosomes migrate during the metaphase stage of mitosis?
  • Which of the following staining methods can help characterize the DNA structure?
  • True or False: Scleraxis and Tenascin were downregulated for the 6% and 12% strain groups loaded at both 0.1 Hz and 1 Hz frequencies.
  • Multi-length scale FEM can be used to quantify strain variations in which of the following?
  • What does Tortuosity describe in tissue engineering?
  • Which of the following is NOT a function of the ECM (extracellular matrix)?
  • What is the correct order of major steps in tissue engineering?
  • What is a culture vehicle that allows control and standardization over environmental conditions?
  • What type of materials are commonly used for creating biodegradable scaffolds?
  • Which type of cells are responsible for maintaining the tendon extracellular matrix?
  • Which of the following is not true about proteoglycans?
  • Which of these materials is considered synthetic?
  • What is a source of cells in tissue engineering?
  • Which donor type refers to receiving one's own cells?
  • Which of the following correctly describes tortuosity?
  • What happens to pore structure during the freeze drying of polymers?
  • Which properties should scaffold material ideally exhibit?
  • Which loading modality was chosen to induce AF-like cells and matrix?
  • Which option is not a major class of natural polymers?
  • What is the term that best describes a stem cell's ability to differentiate across tissue lineage boundaries?
  • What statement is true regarding Nitric Oxide?
  • Does the scaffold fabrication technique Phase Separation involve dissolving a polymer in a solvent at a high temperature followed by phase separation induced by lowering the solution temperature?
  • What term describes the ability of stem cells from one tissue to generate the specialized cell types of another tissue?
  • What is a defining characteristic of steric stabilization in cellular interactions?
  • Which type of graft is associated with having no immune rejection?
  • In freeze drying, what effect does a fast freezing rate have on pore size?
  • What is a common characteristic of synthetic scaffolds used in tendon tissue engineering?
  • What term describes the process of tissue formation from stem cells?
  • How would you describe anaphase?
  • Which statement is false regarding bone remodeling?
  • What protein is the earliest expressed component of ECM during embryonic development?
  • Which of the following describes a good characteristic of a scaffold for tendon repairs?
  • Which statement is true about the tendon healing process?
  • What type of collagen do tenocytes primarily produce?
  • What is true about the Extracellular Matrix (ECM)?
  • What are the advantages of using ceramics as a biomaterial?
  • What is the half-life of nitric oxide in the presence of oxygen?
  • What does homophilic binding refer to?
  • Which of the following cell anchoring junctions is responsible for anchoring intermediate filaments in a cell to the extracellular matrix or basal lamina?
  • What are tenocytes primarily characterized as?
  • Which is NOT a property of synthetic materials in tendon tissue engineering?
  • Which of the following is not a type of connective tissue?
  • Necrosis is a type of cell death which is uncontrolled and results from tissue damage. True or False?
  • What is a limitation of adult stem cells?
  • Which cell junction are regions where membranes of adjacent cells fuse?
  • What technique involves dissolving a polymer in a solvent followed by phase separation?
  • Calcium Hydroxyapatite, converted from coral or animal bones, is an example of a:
  • Which of the following is a characterization method/dye to determine the integrity of the cell membrane?
  • Oligopotent stem cells have the ability to?
  • Pick the correct pair.
  • What is one of the primary purposes of using metal as a biomaterial?
  • True or False: NO-plasma induces proliferation in early stages and enhances early differentiation markers activity.
  • Which of the following best describes scaffolds in tissue engineering?
  • What characteristic of composites makes them advantageous for tissue engineering?
  • Why was PLGA chosen as a scaffolding material?
  • In the design of the mechanical loading platform EQUicycler, do deformable silicon posts make contact with a fixed plate while in the unstrained position?
  • True or False: Collagen type 1 fibers within tendons align in a parallel manner.
  • What role do growth factors play in tendon tissue engineering?
  • Which of the following is not a correct conclusion about EQUicycler?
  • Which is the most abundant component of the ECM?
  • Which material is often used as a porogen in tissue engineering?
  • Applying homogenous equiaxial strain to tissue-engineered scaffolds encapsulated with human ASCs can lead to what cellular effect?
  • The surface chemistry of a material is defined by which attributes?
  • Is a 3D Alginate Scaffold a suitable scaffold type for liver regeneration?
  • Which of the following are not polysaccharides?
  • What is a common application of hydrogels in tissue engineering?
  • Physical forces during cell adhesion are dependent on what variable?
  • Which of the following is NOT related to prophase of mitosis?
  • Which statement about polymer erosion is NOT true?
  • The melt molding scaffold production technique requires heating the mold above which temperature?
  • Which statement correctly describes heterophilic binding?
  • Which growth factor enhances proliferation of MSC and induces them into tenocytes?
  • True or False: Scaffolds are porous, degradable structures fabricated from either natural materials or synthetic polymers.
  • Which of the following types of tendon injuries can occur?
  • Among osteoporosis treatment options, is cellular toxicity a major concern with Nitroglycerin due to cyanide release?
  • Which of the following is NOT true regarding scaffold materials?
  • Which of the following is not a stage of Interphase?
  • Which of the following is structural extracellular matrix proteins?
  • What is the role of TGF-β growth factor in tendon tissue engineering?
  • What is the most common adhesive glycoprotein in the native ECM?
  • Which scaffold type is suitable for bone and cartilage regeneration?
  • What is a disadvantage of passaged cells?
  • What are the two major scaffold types used for tendon tissue engineering?
  • How can cell viability and proliferation in a scaffold be quantified?
  • Which of the following is an example of a porous ceramic?
  • Cell adhesion allows for which of the following?
  • What characteristic of a scaffold contributes to effective nutrient transport and cell viability?
  • What is a limitation of Direct Fabrication?
  • What is a typical characteristic of natural scaffolds in tissue engineering?
  • What is the name of the mechanism of polymer degradation involving decreases in molecular weight and mechanical properties, but no change in external dimensions?
  • Which conclusion was NOT drawn from the EQUicycler task in the Annulus Fibrosis case study?
  • Which properties are NOT shared between natural polymers and the ECM?
  • Which protein is primarily involved in the formation of tight junctions?
  • What does it signify if a material is described as "isotropic"?
  • What capability does the EQUicycler provide in tissue engineering?
  • Which is not a factor in scaffold design?
  • What type of junction prevents leakage between adjacent epithelial cells?
  • Which collagen type is primarily found in tendons?
  • True or False: Most biodegradable polymers degrade with surface degradation.
  • Transplanting the cells of a human ear onto the back of a mouse is an example of which type of cell?
  • What are the optimal loading modality values to mechanically stimulate biphasic scaffolds for annulus fibrosis repair?
  • Why are structural, mechanical, and chemical cues important in tissue engineering?
  • Which anchoring junctions have cell to cell adhesion?
  • Is a bulging disc defined as the soft center of a spinal disc pushing through a crack in the tougher exterior casing?
  • Which of the following best represents the role of integrins in cell adhesion?
  • Biomaterial categories include all of the following, EXCEPT:
  • What effect did equiaxial mechanical loading have on gene expression in biphasic scaffolds?
  • What is one of the roles of IGF-1 in tendon healing?
  • Which function is NOT associated with nitric oxide (NO)?
  • Which of the following is not a characteristic of tendons?
  • How long is the Remodeling-Consolidation Phase for tendon healing?
  • Which of the following techniques is commonly used to apply growth factors in tissue engineering?
  • Which of the following is considered a natural biomaterial polymer?
  • Which of the following is not a scaffold fabrication technique?
  • What is not a biodegradable polymer?
  • Which of the following is not an advantage of gelatin?
  • Which type of cell is primarily involved in the repair of injured tissues?
  • PDGF is used in tendon tissue engineering because it:
  • What is a potential disadvantage of repeatedly passaging stem cells in culture?
  • True or False: During the process of freeze drying, a fast freezing rate produces smaller pores.
  • Does solvent casting and particulate leaching involve dissolving polymers and particles into an organic solvent, pouring the mixture into a mold, allowing solvent to evaporate, and washing away the particles?
  • What is one of the primary challenges in tendon repair using tissue engineering?
  • True or False: 3D in vitro models are cost-effective platforms for mechanobiology studies.
  • Why is mechanical loading important in tendon tissue engineering?
  • Which of the following statements apply to stem cells?
  • The pore size used for most bone ingrowth settings is between:
  • Which process is critical for the success of implanted scaffolds in tissue engineering?
  • Collagen type I is the most abundant collagen type in the annulus fibrosus (AF).
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy