Cranial Nerve VII

Question 1

CN VII exits cranium/skull thru –

Answer 1

stylomastoid foramen

Question 2

CN VII divides into motor branches when it enters –

Answer 2

parotid gland

Question 3

what do you call motor branches of CN VII

Answer 3

branchial motor or (SVE)

Question 4

BM CN VII associated with which branchial motor arch

Answer 4

2

Question 5

5 motor branches of CN VII

Answer 5

temporal, zygomatic, buccal, mandibular, cervical

Question 6

most common nontraumatic cause of facial paralysis

Answer 6

bell’s palsy

Question 7

what causes bell’s palsy

Answer 7

inflammation of facial nerve (near stylomastoid foramen)

Question 8

what fibers are contained in CN VII (via chorda tympani) that innervate anterior 2/3 of tongue?

Answer 8

SS (taste)

Question 9

what fibers are contained in CN VII (via chorda tympani) that travel to the submandibular ganglion?

Answer 9

VE-para/pre

Question 10

Chorda tympani carrying SS taste fibers joins – to bring the fibers to the anterior 2/3 of tongue

Answer 10

lingual nerve

Question 11

BM of CN VII innervates muscles of –

Answer 11

facial expression (lips, buccinator)