5 MCQs on Biomechanics of Upper Limb (Part-II)

In this article, we will solve 5 Mcqs on Biomechanics of Upper Limb (Part-II). So, let’s get started.

Questions and Answers (Correct answer in bold)

1. Loss of active extension of metacarpophalangeal joint occurs in the injury of which of the following nerves:

  • (a) median
  • (b) ulnar
  • (c) posterior interosseous
  • (d) musculocutaneous

2. Wrist drop occurs in radial nerve injury of all levels except:

  • (a) axilla
  • (b) radial groove
  • (c) proximal to elbow
  • (d) distal to elbow

3. All of the following are correct about clavicle except:

  • (a) only long bone in body to ossify in membrane
  • (b) only long bone in body which connects limb to axial skeleton
  • (c) only long bone in body to ossify in intrauterine life
  • (d) only long bone in body to ossify by endochondral ossification

4. Crazy bone or crazy nerve contusion is associated with:

  • (a) ulnar nerve at elbow level
  • (b) axillary nerve at shoulder level
  • (c) radial nerve at spiral groove in humerus
  • (d) median nerve in carpal tunnel

5. Brachioradialis muscle is paralyzed in radial nerve injuries of all the following levels except:

  • (a) axilla
  • (b) middle of the arm
  • (c) proximal to elbow
  • (d) distal to elbow

(Note: Correct answer in bold)

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