Exercise 15
Clinical Thinking Challenge #2
1. What are the four divisions of the brain?
Cerebrum, cerebellum, diencephalon, and brain stem
2. Explain the difference between sensory and motor nerve fibers.
3. Explain the basic difference between a cranial nerve and a spinal nerve.
14. PNS
15. ulnar The radial nerve is part of the (CNS, PNS).
The most caudal nerve of the three main nerves branching off the brachial plexus is the
16. Sciatic The nerve that lies just beneath (deep to) the biceps femoris muscle is the
17. Vagus The nerve is a cranial nerve and is the longest nerve in the body.
18. away from Motor nerve fibers carry impulses (toward, away from) the muscles of the body.