Cranial Nerves B

Question 1

Olfactory = CN ___

Answer 1

I

Question 2

Olfactory N is and ___ nerve that mediates what sense?

Answer 2

SVA

Smell

Question 3

Olfactory SVA axons are unmyelinated ___ neurons

Answer 3

Bipolar

Question 4

CN I is the only nerve that projects directly into ___

Answer 4

Midbrain

Question 5

Sensory neurons are actual sensory neurons= what order?

Answer 5

1st order

Question 6

2nd order neurons have sensory neurons that transmit to?

Answer 6

Cell bodies in CNS

Question 7

3rd order sensory neurons transmit to cell body of thalamus to—>

Answer 7

Primary sensory cortex

Question 8

Olfactory system has how may precortical relays to thalamus?

Answer 8

NONE

Question 9

Olfactory system transmits directly to thalamus and ___ system

Answer 9

Limbic

Question 10

Primary olfactory cortex lies in ___ of the parahippocampal gyrus

Answer 10

Uncus

Question 11

Primary olfactory cortex lies in uncus of parahippocampal gyrus, area ___

Answer 11

34

Question 12

The thalamus transmits smell to ___ cortex where there is conscious perception of smell

Answer 12

Orbitofrontal cortex

Question 13

Vomeronasal organ = CN ___ and detects ___

Answer 13

0

Pheromones

Question 14

Olfactory hallucinations are a consequence of lesions where?

Answer 14

Parahippocampal uncus