Cranial Nerve I Flashcards Preview

PNS Quiz 1 > Cranial Nerve I > Flashcards

Flashcards in Cranial Nerve I Deck (11)
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1
Q

cranial nerve I

A

olfactory nerve

2
Q

primary sensory neurons are which type of cell?

A

bipolar cell

3
Q

are olfactory neuron axons myelinated or unmyelinated?

A

unmyelinated (covered by schwann cells)

4
Q

olfactory nerves pass through…

A

cribriform plate of ethmoid bone

5
Q

secondary sensory neurons are which type of cell?

A

mitral cell

6
Q

medial stria fibers cross the midline via

A

anterior commissure

7
Q

lateral stria fibers carry information to

A

primary olfactory cortex; periamygdaloid and prepiriform area and the uncus (brodmann area 34)

8
Q

olfactory tract fibers split into…

A

medial and lateral olfactory striae

9
Q

anosmia

A

total loss of smell

10
Q

how many neurons does it take to get to the cortex?

A

2 neurons

11
Q

which sense does the thalamus not receive information from?

A

smell