15.3-15.4 Flashcards Preview

A&P > 15.3-15.4 > Flashcards

Flashcards in 15.3-15.4 Deck (28)
Loading flashcards...
1

Taste and smell are both what kind of receptors?

Chemoreceptors

2

true or false odorants may activate multiple ORs

true

3

What taste tastes sugars

sweet

4

What taste tastes ions and electrolytes

salty

5

What taste tastes acids

sour

6

Protons H+ corresponds with which taste

sour

7

Which taste tastes toxins

bitter

8

Which taste tastes protein

Umami

9

Another name for Basal epithelial cells is

stem cells

10

What is the term for non neuronal gustatory receptor sensory cells that release neurotransmitters which then activate neurons

Gustatory epithelial cells

11

Which tastes work through ion channels

salty sour bitter

12

Which tastes work through GPCRS

umami and sweet

13

Trigeminal nerve is responsible for what

noxious stimuli (smell)

14

Muscles in the middle ear tighten in response to what

loud noise

15

What does the pharynogotympanic tube of the ear do

equalizes air pressure of the middle ear with outside environment

16

What are the three main parts of the internal ear

1. Semicircular Canals
2. Vestibule
3. Cochlea

17

Bending of the stereocilia on hair cells results in mechanical force that opens what

mechanoreceptors

18

Do sounds with low or high frequencies travel through the helictrema and do not excite hair cells

low

19

Conductive deafness effects what part or parts of the ear

external and or middle

20

Sensorineural deafness effect affects what part or parts of the ear

inner ear or cochlea

21

Cochlea is which part of the ear

inner

22

Central auditory dysfunction affects which part or parts

Cranial Nerve VII, auditory brain stem or cerebral cortex

23

Does maculae detect horizontal, linear or vertical motion

linear

24

Does Utricle detect horizontal, linear or vertical motion

horizontal

25

Does saccule detect horizontal, linear or vertical motion

vertical

26

The semicircular canels detect what

rotational acceleration

27

What is caused by a conflict between visual vestibular or semicircular canal- maculae inputs?

motion sickness

28

Of semicircular canals, vestibule and cochlea which are responsible for equilibrium and which for hearing

Semicircular ducts and vestibule are equilibrium; Cochlea is for hearing