Anatomy - Upper Limb

Question 1

Brachial plexus:
A. The roots lie between scalenes anterior & scalenes medius
B. Its trunks divides into anterior & posterior divisions behind the clavicle
C. Cords form at the outer border of 1st rib
D. The cords give off branches lateral to the pectoralis minor
E. All of the above

Answer 1

E

Question 2

Which of the following structure pierces the coracobrachialis?
A.	Radial nerve
B.	Median nerve
C.	Ulnar nerve
D.	Musculocutaneous nerve
E.	Axillary nerve

Answer 2

D

Question 3

Medial intermuscular septum is pierced by:
A.	Ulnar nerve
B.	Radial nerve
C.	Median nerve
D.	Profunda brachii artery
E.	All of the above

Answer 3

A

Question 4

Which of the following regarding cubital fossa is INCORRECT?
A. Median nerve lies medial to the bicipital tendon
B. Lateral cutaneous nerve of forearm lies on the tendon of biceps
C. Radial nerve gives rise to posterior interosseous branch
D. Pronator teres & brachioradialis form the medial & lateral borders
E. Brachialis & supinator form the floor

Answer 4

B. It lies UNDER the tendon of biceps.

Question 5

Which of the following muscles receive mixed supply form both ulnar & median nerves?
A.	Flexor digitorum profundii
B.	Flexor digitorum superficialis
C.	Pronator teres
D.	Pronator quadratus
E.	None of the above

Answer 5

A. The medial half is innervated by the ulnar nerve, and the lateral half by the median nerve.

Question 6

Extensor pollicis longus:
A. attaches to distal ulna & to the base of 1st distal phalanx
B. is supplied by anterior interosseous artery
C. is supplied by posterior interosseous nerve
D. forms the lateral border of anatomical snuffbox
E. All of the above

Answer 6

C