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)