Cranial Nerves

Question 1

cranial nerves are part of what system?

Answer 1

PNS

Question 2

what embroyonic structure forms CN?

Answer 2

branchial arches

Question 3

what four cranial nerves are part of sympathetic nervous system

Answer 3

CN X, CN III, CN VII, CN IX

Question 4

pathways of senses (not motor) always have

Answer 4

1st, 2nd, 3rd order neurons

Question 5

what axons make up the optic nerve?

Answer 5

ganglion cells (level of the retina)

Question 6

where is the nucleus of the CN III located?

Answer 6

area of the midbrain

Question 7

which CN opens the eyelid?

Answer 7

III

Question 8

which CN closes the eyelid?

Answer 8

VII

Question 9

where is the nucleus of the trochlear nerve located?

Answer 9

midbrain

Question 10

where does the nucleus of trigeminal nerve originate?

Answer 10

pons