The usual number of branches of the median nerve in the arm: a. 0 b. 1 c. 3 d. 4 e. 6 Answer a
The usual number of branches of the ulnar nerve in the arm: a. 0 b. 1 c. 3 d. 4 e. 6 Answer a
Branches of the radial artery at the wrist include: a. 1st dorsal metacarpal artery. b. 2nd dorsal metacarpal artery. c. 3rd dorsal metacarpal artery. d. All of the above. e. None of the above. Answer a
Regarding the bicipital aponeurosis, one is incorrect: a. It is an extension from the tendon of the biceps. b. It blends with the deep fascia covering the extensor muscles of the forearm. c. Passes over the brachial artery. d. Crosses the front of the median nerve. e. Separates the median nerve from the median cubital vein. Answer b
Branches of the ulnar artery in the forearm include: a. Common interosseous artery. b. Anterior ulnar recurrent artery. c. Superficial palmar branch. d. All of the above. e. A and B only. Answer e
The following muscles are innervated by the median nerve EXCEPT: a. Pronator teres. b. Pronator quadratus. c. Flexor pollicis longus. d. Opponens pollicis. e. Adductor pollicis. Answer e
Muscles taking origin from the radius: a. Biceps. b. Supinator. c. Pronator quadratus. d. Flexor pollicis longus. e. None of the above. Answer d
Relations of the ulnar artery at the wrist: a. Lies anterior to the flexor retinaculum. b. Lies lateral to the pisiform bone. c. Lies medial to the ulnar nerve. d. All of the above. e. A and B only. Answer e
Relations of the median nerve at the wrist: a. Lies in the carpal tunnel. b. 2 inches above the wrist, it becomes subcutaneous. c. Lies between the tendons of the palmaris longus and flexor carpi radialis. d. All of the above. e. A and B only. Answer d
As a result of injury of the ulnar nerve at the wrist: a. Marked wasting (atrophy) of the thenar eminence. b. The thumb cannot be abducted. c. The thumb cannot be adducted. d. Loss of sensation over the thumb. e. A and B are correct. Answer c
