15.3-15.4

Question 1

Taste and smell are both what kind of receptors?

Answer 1

Chemoreceptors

Question 2

true or false odorants may activate multiple ORs

Answer 2

true

Question 3

What taste tastes sugars

Answer 3

sweet

Question 4

What taste tastes ions and electrolytes

Answer 4

salty

Question 5

What taste tastes acids

Answer 5

sour

Question 6

Protons H+ corresponds with which taste

Answer 6

sour

Question 7

Which taste tastes toxins

Answer 7

bitter

Question 8

Which taste tastes protein

Answer 8

Umami

Question 9

Another name for Basal epithelial cells is

Answer 9

stem cells

Question 10

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

Answer 10

Gustatory epithelial cells

Question 11

Which tastes work through ion channels

Answer 11

salty sour bitter

Question 12

Which tastes work through GPCRS

Answer 12

umami and sweet

Question 13

Trigeminal nerve is responsible for what

Answer 13

noxious stimuli (smell)

Question 14

Muscles in the middle ear tighten in response to what

Answer 14

loud noise

Question 15

What does the pharynogotympanic tube of the ear do

Answer 15

equalizes air pressure of the middle ear with outside environment

Question 16

What are the three main parts of the internal ear

Answer 16

1. Semicircular Canals
2. Vestibule
3. Cochlea

Question 17

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

Answer 17

mechanoreceptors

Question 18

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

Answer 18

low

Question 19

Conductive deafness effects what part or parts of the ear

Answer 19

external and or middle

Question 20

Sensorineural deafness effect affects what part or parts of the ear

Answer 20

inner ear or cochlea

Question 21

Cochlea is which part of the ear

Answer 21

inner

Question 22

Central auditory dysfunction affects which part or parts

Answer 22

Cranial Nerve VII, auditory brain stem or cerebral cortex

Question 23

Does maculae detect horizontal, linear or vertical motion

Answer 23

linear

Question 24

Does Utricle detect horizontal, linear or vertical motion

Answer 24

horizontal

Question 25

Does saccule detect horizontal, linear or vertical motion

Answer 25

vertical

Question 26

The semicircular canels detect what

Answer 26

rotational acceleration

Question 27

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

Answer 27

motion sickness

Question 28

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

Answer 28

Semicircular ducts and vestibule are equilibrium; Cochlea is for hearing