taste and smell Flashcards

1
Q

molecules that stimulate taste receptors must be ___ soluble

A

water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

5 primary tastes

A

sweet, bitter, sour, salt, umami

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

afferent nerves carried by what cranial nerves

A

VII, IX, X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

each taste bud contains how many taste receptor cells

A

50-100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

taste receptors are located on

A

cilia of taste cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

taste receptors are

A

epithelial derivatives

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

type I taste receptor cell

A

salty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

type II taste receptor cell

A

sweet umami bitter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

type III taste receptor cell

A

sour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

only type ___ cells directly synapse with gustatory nerve

A

III

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the smell receptor cell is

A

specialized nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

smell nerve renewed every __ days

A

30-60

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

interaction of receptor nerve and stimulus stimulates

A

second messenger pathways

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

oderant stimulates

A

intercellular cAMP synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

increased ___ is necessary for transduction of odorant

A

(cAMP)intercellular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

sensory nerves connect to secondary nerves in ___

A

glomeruli

17
Q

many tertiary nerves connect to the

A

limbic system

18
Q

very old aroma pathway

A

medial olfactory nuclei results in physical aversion

19
Q

old pathway

A

lateral olfactory nuclei results in aversion

20
Q

new pathway

A

thalamo-cortical area and mediates perception odorant