10 MCQs on Biomechanics (Part-VI)

In this article, we will solve 10 MCQs on Biomechanics (Part-VI). So, let’s get started.

Question and Answer (Correct answer in bold)

1. Skeletal muscles in a normal adult contribute:

  • (a) 10-15% to the total body weight
  • (b) 15-20% to the total body weight
  • (c) 40-50% to the total body weight
  • (d) 0-5% to the total body weight

2. The frequency of post-traumatic osteonecrosis of femoral head is highest in which age group:

  • (a) 1-10 yrs
  • (b) 10-30 yrs
  • (c) 30-60 yrs
  • (d) Above 60 yrs

3. The frequency of aseptic necrosis of femoral head in hip dislocations is highest in:

  • (a) Children
  • (b) Adolescent
  • (c) Adults
  • (d) Old persons

4. Length growth of bone is accomplished by:

  • (a) Periosteum
  • (b) Epiphysis
  • (c) Metaphysis
  • (d) Epiphyseal plate

5. The first bone to ossify in fetal life is:

  • (a) skull
  • (b) vertebrae
  • (c) clavicle
  • (d) femur

6. The most uncommon site for secondary deposits in bone is:

  • (a) skull
  • (b) spine
  • (c) pelvis
  • (d) calcaneum

7. The following bone is a pneumatic bone:

  • (a) patella
  • (b) pisiform
  • (c) maxilla
  • (d) 12th pair of rib

8. The best technique to demonstrate the orientation of collagen fibers within bone:

  • (a) toluidine blue strain
  • (b) H&E strain
  • (c) polarized light
  • (d) ultraviolet light

9. The structure responsible for longitudinal growth is:

  • (a) Epiphysis
  • (b) Epiphyseal plate
  • (c) Metaphysis
  • (d) Diaphysis

10. The precartilagenous analog to bone arises from:

  • (a) ectoderm
  • (b) endoderm
  • (c) mesenchyme
  • (d) none of the above

(Note: Correct answer in bold)

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