DENTAL GROSS ANATOMY: Sample Questions

Week 1 -- September 5 , 2007

1. Initiating the abduction of the arm at the shoulder joint (i.e. movement from 0 to 15 degrees) would be most seriously affected by damage to which of the following nerves?
   • A. Suprascapular
   • B. Musculocutaneous
   • C. Lower subscapular
   • D. Axillary
   • E. Thoracodorsal
   
   
2. Which of the following arteries is involved in collateral circulation around the shoulder joint?
   • A. Lateral thoracic
   • B. Thoracoacromial
   • C. Thoracodorsal
   • D. Scapular circumflex
   • E. Deep brachial
   
   
3. The most important supinator of the forearm is the:
   • A. Brachialis
   • B. Biceps brachii
   • C. Supinator
   • D. Pronator teres
   • E. Pronator quadratus
   
   
4. The nerve which supplies the extensor muscles of the forearm is the:
   • A. Musculocutaneous n.
   • B. Median n.
   • C. Radial n.
   • D. Axillary n.
   • E. Ulnar n.

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