1. ______ Which of the following statements is FALSE about the brachial plexus?

A. The posterior divisions of all three trunks unite to form the posterior cord.

B. The anterior divisions of the upper and middle trunks unite to form the lateral cord.

C. The rhomboideus minor muscle is innervated by a nerve that arises from the upper trunk.

D. The serratus anterior muscle is innervated by a nerve that arises from the upper three roots of the brachial plexus.

E. The anterior division of the lower trunk of the brachial plexus forms the medial cord.

2. ______ Damage to which of the following parts of the brachial plexus can result in claw hand?

A. Upper trunk

B. Lower trunk

C. Middle trunk

D. Posterior cord

E. Lateral cord

3. ______Which of the following muscles takes origin from the supraglenoid tubercle of the scapula?

A. Long head of triceps brachii

B. Lateral head of triceps brachii

C. Long head of biceps brachii

D. Short head of biceps brachii

E. Brachialis

4. ______ Which of the following muscles are NOT matched with the structures from which they take ORIGIN (at least in part)?

A. Levator scapulae - ligamentum nuchae

B. Rhomboideus major - second to fifth thoracic spines

C. Multifidus - transverse processes

D. Longissimus - transverse processes

E. Serratus anterior - outer surfaces of ribs 1-8

5. ______ Which of the following muscles acts to rotate the humerus medially?

A. Subscapularis

B. Latissimus dorsi

C. Teres major

D. All of the above

E. A and B

6. ______ Which of the following muscles is NOT innervated by a nerve that arises from the posterior cord of the brachial plexus?

A. Subscapularis

B. Teres minor

C. Latissimus dorsi

D. Supraspinatus

E. Teres major

7. ______ Which of the following structures is found in the lateral wall of the axilla?

A. Pectoralis major

B. Latissimus dorsi

C. Biceps brachii tendon

D. Coracobrachialis

E. C and D

8. ______ Within the cubital fossa, the order of structures from lateral to medial

A. median nerve, brachial artery, biceps brachii tendon

B. biceps brachii tendon, brachial artery, median nerve

C. brachial artery, median nerve, biceps brachii tendon

D. brachial artery, biceps brachii tendon, median nerve

E. median nerve, biceps brachii tendon, brachial artery

9. ______ The Suprascapular artery is a branch of an artery that arises from the

A. Third part of the axillary artery

B. Second part of the axillary artery

C. Brachial artery

D. Subclavian artery

E. First part of the axillary artery

10. ______ The axillary artery can be arbitrarily divided into three parts by its relationship to the

A. Trunks of the brachial plexus

B. Pectoralis major

C. Latissimus dorsi tendon

D. Pectoralis minor

E. Lower border of teres major