Anatomy & Physiology Question #31

Question

From which plexus do the sciatic nerves arise?

Answers

  1. Vagal
    • Rationale:
  2. Choroid
    • Rationale:
  3. Lumbosacral
    • Rationale:
  4. Brachial
    • Rationale:

Overview

Explanation

The correct answer is C. The sciatic nerve provides the connection to the nervous system from spinal nerves L4 to S3. It contains fibers from both the front and back of the lumbosacral plexus divisions.The sciatic nerves do not arise from the vagal, choroid, or brachial plexus.

Learning Outcomes

Test Taking Tip

Video Rationale