CN 1

Question 1

CN I - _______

Answer 1

olfactory nerve

Question 2

CN I is sensory or motor ?

Answer 2

purely sensory

Question 3

CN I exits through ______

Answer 3

cribriform plate

Question 4

______ are found in the olfactory membrane

Answer 4

olfactory receptor nerve cells

Question 5

______ arise from peripheral processes

Answer 5

short cilia or olfactory hairs

Question 6

short cilia project into the ______

Answer 6

mucus membrane

Question 7

it is a fine central process

Answer 7

olfactory nerve fiber

Question 8

describe structure of olfactory nerve fiber

Answer 8

unmyelinated and covered by schwann cells

Question 9

what forms the olfactory bulb

Answer 9

cribriform plate of ethmoid bone

Question 10

what cells are found in the olfactory bulb

Answer 10

mitral cells, tufted cells and granular cells

Question 11

the olfactory bulb receives axons from ______ through the ______

Answer 11

contralateral olfactory bulb through olfactory tract

Question 12

the olfactory tract runs from ______

Answer 12

olfactory bulb beneath inferior frontal lobe

Question 13

the olfactory tract receives axons of ______

Answer 13

mitral and tufted cells of bulb and centrifugal fibers from opposite bulb

Question 14

the olfactory tract divides into _____

Answer 14

medial and lateral olfactory striae

Question 15

olfactory tract divides near ______

Answer 15

anterior perforated substance

Question 16

the lateral striae carry _____

Answer 16

axons to olfactory area of cerebral cortex

Question 17

the medial striae carry _____

Answer 17

fibers that cross in anterior commissure to pass contralateral olfactory bulb

Question 18

primary olfactory complex

Answer 18

periamygdaloid and prepiriform areas

Question 19

secondary olfactory complex

Answer 19

entorhinal area of parahippocampal gyrus - area 28

Question 20

does the CN I synapse directly w thalamus

Answer 20

NO

Question 21

function and division of CN 1

Answer 21

SVA - smell