Superficial Attachment Of Cranial Nerves

Question 1

1st

Answer 1

Olfactory

Question 2

2nd

Answer 2

Optic

Question 3

3rd

Answer 3

Oculomotor

Question 4

4th

Answer 4

Trochlear

Question 5

5th

Answer 5

Trigeminal

Question 6

6th

Answer 6

Abducent

Question 7

7th

Answer 7

Facial

Question 8

8th

Answer 8

Vestibulochlear

Question 9

9th

Answer 9

Glossopharyngeal

Question 10

10th

Answer 10

Vagus

Question 11

11th

Answer 11

Cranial root of accessory

Question 12

12th

Answer 12

Hypoglossal

Question 13

3th and 4th belong to

Answer 13

Midbrain

Question 14

5th, 6th, 7th, and 8th belong to

Answer 14

Pons

Question 15

9th, 10th, 11th, and 12th belong to

Answer 15

Medulla

Question 16

Olfactory nerve

Answer 16

Consists of 20 filaments arising from olfactory bipolar cells of olfactory mucosa to reach olfactory bulb

Question 17

Optic

Answer 17

Arises from ganglion cells of retina and joins anterolateral angle of optic chiasma (2nd order neuron of vision)

Question 18

Oculomotor

Answer 18

Emerges on medial aspect of cerebral peduncle

Question 19

Trochlear nerve

Answer 19

Smallest
Emerges from midbrain below tectum and it is the only cranial nerve attached to brain stem dorsal surface

Question 20

Trigeminal nerve

Answer 20

Attached to pons lateral side (at junction of pons with MCP)

Question 21

Abducent

Answer 21

Emerges anterior from ponto-medullary junction

Question 22

Facial and vestibulochlear nerves

Answer 22

Emerge at pontomedullary junction near MCP

Question 23

Glossopharyngeal, vagus, and cranial root of accessory nerves

Answer 23

Arises from posterolateral sulcus of medulla
Spinal part of accessory nerve arises from spinal cord upper 5 segments

Question 24

Hypoglossal nerve

Answer 24

Arises from anterolateral sulcus of medulla