Unit 4 - Head and Neck: Nerves of the Head and Neck (Ex. III)

Question 1

autonomic nn.

Answer 1

PARASYMP –> CN III, VII, IX, X

SYMP –> C sympathetic chain/trunk

Question 2

somatic nn.

Answer 2

C1-C4 spinal nn.
  - C plexus from A rami of C1-C4
  - suboccipital n.  ==>
  - greater occipital n.  ==> derived from P rami
  - 3rd occipital n.  ==>
C5-T1 spinal nn. - A rami --> B plexus
CN I-CN XII - arise from brain