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MCQs

Total Questions : 54 | Page 1 of 6 pages
Question 1. Which of the following is a characterization technique used to measure Young’s modulus of a biomaterial?
  1.    Tensile test
  2.    Compression test
  3.    Three- and four-point bend test
  4.    Calculation from the stress-strain curve
 Discuss Question
Answer: Option D. -> Calculation from the stress-strain curve
Answer: (d).Calculation from the stress-strain curve
Question 2. Elastic modulus helps in determining the strength of a biomaterial and it is measured using indentation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 3. Which of the following is a characterization technique used to measure the Ductility of a biomaterial?
  1.    Calculations from strength test
  2.    Single edge notched-beam Indirect measurement
  3.    Indentation
  4.    Cyclic stress test
 Discuss Question
Answer: Option A. -> Calculations from strength test
Answer: (a).Calculations from strength test
Question 4. Constant stress test helps in measurement of ____________ for a biomaterial.
  1.    ductility
  2.    toughness
  3.    creep
  4.    fatigue
 Discuss Question
Answer: Option A. -> ductility
Answer: (a).ductility
Question 5. Which of the following physiochemical properties of a biomaterial might cause a cellular response that might affect the cellular motility, adhesion, survival, and differentiation?
  1.    Stiffness
  2.    Porosity
  3.    Charge
  4.    Surface chemistry
 Discuss Question
Answer: Option A. -> Stiffness
Answer: (a).Stiffness
Question 6. Topography and roughness of a biomaterial affect the maximum possible accommodation of cells in the scaffold.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 7. Which of the following is not a chemical gelation mechanism?
  1.    Condensation
  2.    Addition
  3.    Cross-linking
  4.    Weak
 Discuss Question
Answer: Option D. -> Weak
Answer: (d).Weak
Question 8. ______________is prepared by condensation which is a chemical gelation mechanism.
  1.    Polyester gel
  2.    Polyvinyl chloride
  3.    Polythene
  4.    Polystyrene
 Discuss Question
Answer: Option A. -> Polyester gel
Answer: (a).Polyester gel
Question 9. Which of the following gel/hydrogel is formed by a physical gelation mechanism?
  1.    Polyester gel
  2.    Gelatin
  3.    CMC-g-acrylic acid
  4.    Polydimethyl siloxane
 Discuss Question
Answer: Option B. -> Gelatin
Answer: (b).Gelatin
Question 10. The pore size of the biomaterial affects the long-term functional differentiation of cells.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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