Anatomy & Physiology Question #37

Question

Compression of which nerve arising from the brachial plexus results in numbness, tingling, and pain in the fingers, a condition called carpal tunnel syndrome?

Answers

  1. Axillary
    • Rationale:
  2. Musculocutaneous
    • Rationale:
  3. Radial
    • Rationale:
  4. Median
    • Rationale:

Overview

Explanation

The correct answer is D. Carpal tunnel syndrome (CTS) is caused by compression of the median nerve as it travels through the wrist at the carpal tunnel. Compression of which nerve arising from the brachial plexus causes numbness and tingling. The axillary, musculocutaneous, and radial nerves do not contribute to the development of CTS.

Learning Outcomes

Test Taking Tip

Video Rationale