Cranial nerves

Question 1

How many cranial nerves are there?

Answer 1

12

Question 2

What do cranial nerves mainly innervate?

Answer 2

The structures of the head and neck

Question 3

Which type of nerves have dermotomes or myotomes?

Answer 3

Spinal nerves. Not cranial nerves.

Question 4

What is bell’s palsy?

Answer 4

Facial nerve paralysis. Paralysis of cranial nerve V11. Unilateral facial paralysis

Question 5

Cranial nerve 1

Answer 5

sensory nerve. smell

Question 6

Cranial nerve II

Answer 6

Sensory nerve. optical nerve

Question 7

Cranial nerve III

Answer 7

motor nerve. muscles of eyeballs. Also innervates cilary muscles of eye and accomodation.

Question 8

Cranial nerve IV

Answer 8

Motor nerve of eyeballs

Question 9

Cranial nerve VI

Answer 9

Motor nerve of eyes. abducts

Question 10

Cranial nerve V

Answer 10

Most of the face. very big nerve. sensory nerves. and also motor nerves VIII to muscles of mastication

Question 11

Cranial VII

Answer 11

Facial nerve. muscles of facial expression. also secretory glands

Question 12

VIII

Answer 12

Ear. coclhear nerve

Question 13

IX

Answer 13

Glossopharyngeal nerve. taste and pain sensory

Question 14

X

Answer 14

Vagus nerve. Motor and sensory

Question 15

XI

Answer 15

Motor nerve for neck muscles

Question 16

XII

Answer 16

hypoglossal nerve. motor for tongue