Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PHG 203 > Chemical Senses > Flashcards

Chemical Senses Flashcards

1
Q

What are the 2 chemical senses

A

Smell

-Taste

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

-Flavors of various food are in large part a combination of their taste and smell.
T/F

A

T

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

Food taste the same with a cold that . T/F

A

F

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

Receptors for both smell and taste are ——-receptors Stimulated by molecules in solutions(——and—— for nose and mouth respectively)

A

chemo

mucus

saliva

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

Receptors for smell and taste are anatomically the same . T/F

A

F

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

*Smell receptors are distant receptors (—-) and has no relay in the——

A

Teleceptors

thalamus

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

2 types of smell senes:——- by dogs and—- by humans

A

macrosmatic

microsmatic

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

The yellow pigmented area in the nasal cavity contains —— cells and——- cells from the olfactory receptors.

A

supporting

progenitor

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

Each olfactory receptor is a neuron. T/F

A

T

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

——-is the place in the body where nervous system is closest to the external world.

A

Olfactory mucus membrane

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

Each olfactory neuron has a short thick—— with an expanded end called an——- from which—- projects to the surface of the——-.

A

dendrites

olfactory rod

cilia

mucus

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

the cilia of olfactory neurons. Myelinated or unmyelinated

A

unmyelinated

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

Length and width of the cilia of olfactory neurons is —— long;——um wide

A

2um

0.1

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

each olfactory receptor has about—— cilia

A

10-20

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

axons of the olfactory receptor pierces the—— of—— bone and enters the——-

A

cribiform plate

ethmoid

olfactory bulb

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

One similarity between smell and taste receptors??

A

Olfactory nerve like Taste receptor cells but unlike most other neurons is constantly replaced in about half a week.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

——-protein (——) is involved in the replenishment process of olfactory neurons

A

Bone morphogenic

BMP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The olfactory membrane is constantly covered by—— which is produced by ——-which are just under the basal lamina of the membrane.

A

mucus

Bowmans gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Olfaction bulb lies atop the—— of——- bone

A

cribriform plate

ethmoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

———receives the sensory afferents from the olfactory cells

A

Olfactory bulb

21
Q

——of olfactory cell project into the roof of the nasal cavity moistened by—-.

A

Cilia

mucus

22
Q

Central processes of olfactory axons go to——- to synapse With—- of—— &—— cells Which are the—— order neurons/——

A

glomerulus

dendrites

mitral

tufted

2nd

olfactory nerve (CRNI)

23
Q

Each glomerulus receives afferents from one neuron of the olfactory cell. T/F

A

F. Each glomerulus receives afferents from several neurons of the olfactory cells

24
Q

In the Olfactory tract to the olfactory cortex there is no major—— relay but There is contra-lateral projection to the——

A

thalamic

opposite olfactory bulb

25
Q

In humans, olfaction is not necessary for survival.

T/F

A

T

26
Q

Anosmia is the—- of the sense of smell
hyposmia is——- sense of smell
dysosmia is a——- sense of smell.

A

absence

impaired

distorted

27
Q

—-injury, ——infections,—— of the fossa, and exposure to —— (which destroy the olfactory—-/) all can cause olfactory impairment.

A

Head

upper respiratory

tumors; anterior

toxic chemicals

epithelium

28
Q

some of the turbinates are lined with ——-containing the olfactory receptor cells.
-The remainder of the nasal cavity is lined by—-

A

olfactory epithelium

respiratory epithelium

29
Q

The turbinates act as baffles, causing air flow to become—— and thereby to reach the—— regions of the nasal cavity.

A

turbulent

upper

30
Q

The olfactory epithelium consists of three cell types:—— cells,—— cells, and—— receptor cells

A

supporting

basal

olfactory

31
Q

Supporting cells are—— epithelial cells lined with—— at their mucosal border and filled with secretory granules.

A

columnar

microvilli

32
Q

Basal cells are located at the—- of the olfactory epithelium and are undifferentiated stem cells that give rise to the——- cells.

A

base

olfactory receptor

33
Q

——-are the site of odorant binding, detection, and transduction.

A

Olfactory receptor cells

34
Q

Odorant molecules bind to receptors on the——

A

cilia

35
Q

fractures of the cribriform plate can———

A

sever olfactory neurons

36
Q

Olfactory nerve axons are myelinated or unmyelinated ???

A

unmyelinated

37
Q

——are among the smallest and slowest fibers in the nervous system

A

Olfactory nerve axons

38
Q

The olfactory receptor proteins are coupled to adenylyl cyclase through a—— called ——

A

G protein

Golf

39
Q

Effect of Golf on adenylyl cyclase.

A

Golf activates adenylyl cyclase.

40
Q

The receptor cell membrane —-larizes and This—- potential brings the——- potential closer to—- and—— the initial segment of the olfactory——

A

depo

receptor

membrane

threshold

depolarizes

nerve axon.

41
Q

Olfactory receptor proteins are dedicated to a single odorant. T/F

A

F.Olfactory receptor proteins are not dedicated to a single odorant, and each protein can respond to a variety of odorants

42
Q

olfactory receptor proteins are selective.

T/F

A

T

43
Q

clusters of synapses in the olfactory bulb is called a——-

A

glomeruli

44
Q

The mitral cells are arranged in a—— in the olfactory bulb and have—— dendrites in addition to the—— dendrites.

A

single layer

lateral

apical

45
Q

The olfactory bulb also contains —— cells and —- cells that are—— interneurons that make —— synapses on neighboring—— cells.

A

granule

periglomerular

inhibitory

dendrodendritic

mitral

46
Q

The inhibitory inputs from granule and periglomerular cells serve a function similar to that of the—- cells of the—— which isgooood!!!

A

Horizontal cells

retina

47
Q

As the olfactory tract approaches the base of the brain, it divides into two major tracts, a—- tract and a—— tract.

  • The —— olfactory tract synapses in the——
  • The —- olfactory tract projects to the anterior commissure and the——
A

lateral

medial

lateral; primary olfactory cortex

medial

contralateral olfactory bulb.

48
Q

List the parts of the Olfactory cortex: —,—— ,——,—— ,——-

A

periamygdaloid

prepiriform cortex

hippocampus

entorhinal cortex

anterior olfactory nucleus

PHG 203 (22 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions