Brachial plexus

Question 1

List roots of brachial plexus

Answer 1

C5, C6, C7, C8, and T1

Question 2

List trunks of brachial plexus

Answer 2

superior, middle, inferior

Question 3

List divisions of brachial plexus

Answer 3

anterior and posterior

Question 4

List cords of brachial plexus

Answer 4

lateral, posterior, and medial

Question 5

List terminal branches (peripheral nerves) of brachial plexus

Answer 5

musculocutaneous, radial, axillary, median, and ulnar

Question 6

What merges to form lateral cord of brachial plexus?

Answer 6

anterior divisions of superior and middle trunks

Question 7

What merges to form posterior cord of brachial plexus?

Answer 7

posterior divisions of all three trunks

Question 8

What merges to form medial cord of brachial plexus?

Answer 8

anterior division of inferior trunk

Question 9

Supraclavicular part of brachial plexus

Answer 9

arising from roots, trunks, and divisions

4 branches - dorsal scapular nerve, long thoracic nerve, nerve to subclavius, and suprascapular

Question 10

Infraclavicular part of brachial plexus

Answer 10

arising from cords and terminal branches

12 branches