Upper Limb

Question 1

A of biceps brachii m.

Answer 1

flexes and supinates forearm; accessory flexor of arm at glenohumeral joint

Question 2

N of biceps brachii m.

Answer 2

musculocutaneous n. and brachial vessels

Question 3

A of coracobrachialis m.

Answer 3

flexes and adducts the arm

Question 4

N of coracobrachialis m.

Answer 4

musculocutaneous n. and brachial vessels

Question 5

A of brachialis m.

Answer 5

flexes the forearm

Question 6

N of brachialis m.

Answer 6

radial and musculocutaneous nn. and brachial vessels

Question 7

posterior compartment of the arm contains ____, ____, and _____

Answer 7

triceps brachii m; radial n.; deep brachial a.

Question 8

A of triceps brachii m.

Answer 8

extends the forearm

Question 9

N of triceps brachii m.

Answer 9

radial n. and deep brachii vessels

Question 10

contents of cubital fossa

Answer 10

biceps brachii tendon, brachial a., and median n.

Question 11

forearm flexors are ____ to the cubital fossa

Answer 11

medial

Question 12

forearm extensors are ____ to the cubital fossa

Answer 12

lateral

Question 13

proximally, most major structures pass between arm and forearm through/in relation to the cubital fossa except the _____ which passes ____

Answer 13

ulnar n.; posterior to the medial epicondyle of the humerus

Question 14

distally, most structures pass through or anterior to the carpal tunnel except the ____ which passes ____

Answer 14

radial artery; dorsally around the wrist to enter the hand posteriorly

Question 15

3 layers of anterior compartment of forearm

Answer 15

superficial (4)
intermediate (1)
deep (3)

Question 16

assoc. functions of ant. comp of forearm

Answer 16

wrist movements, flexion of digits and thumb, and pronation

Question 17

innervation of anterior forearm

Answer 17

median and ulnar nn. (C6, C7, C8, and T1)

Question 18

2 layers of posterior comp. of forearm

Answer 18

superficial (7) and deep (5)

Question 19

post comp of forearm assoc with:

Answer 19

movement of wrist
extension of fingers and thumb
supination

Question 20

posterior comp of forearm innervated by:

Answer 20

radial nerve (C5, C6, C7, and C8)

Question 21

musculocutaneous n. pierces ____ to supply it; continues into ____ and ____ mm.

Answer 21

coracobrachialis m.

biceps; brachialis

Question 22

musculocutaneous n. supplies all of ____ and the medial part of _____ m.

Answer 22

biceps brachii m. ; brachialis m.

Question 23

musculocutaneous n. emerges between biceps brachii and brachialis as _____ and supplies skin of the lateral forearm

Answer 23

lateral antebrachial cutaneous n.

Question 24

median n. runs down medial aspect of the arm lateral to the ____; crosses over the medial side of it and enters the ____

Answer 24

brachial a. ; cubital fossa