Lab quiz senses Flashcards

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1
Q

gustatory receptors and olfactory receptors are what kind of receptors

A

chemoreceptors

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2
Q

if no saliva can you taste sweet#salty

A

no

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3
Q

why saliva prodcution is impo in sense of taste

A

chemicals from food dissolve in saliva and contact the taste cells through the taste pores which allows to taste

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4
Q

5 taste perceptions

A

sweet, sour, salty, bitter, umami (amino acids)

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5
Q

do you need to smell to taste

A

yes

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6
Q

link increase use of salt in old age and old persons sense of smell

A

old=sense of smell fades away, harder time to taste so more salt

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7
Q

what happens when hand in cold water and other in warm water and then both hands in bowl same temp

A

hand in cold water feels warm

hand in hot water feels cold

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8
Q

adaptation

A

receptors overlly stimulated they become desensitised

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9
Q

adaptation in hearing

A

noisy environment, hearing overly stimulated, sensory system adapts and is de-sensitised so can communicate with another person

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10
Q

smell

A

pie, smell overlly stimulated, so sensory systems adpats and is de-sensitised so fading odor to person

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11
Q

order of number of touch receptors between palm, lower arm and shoulder

A

palms, lower arm, shoulders

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12
Q

somatic senses

A

touch, pressure, vibration, temperature, body position, limb position, pain

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13
Q

type of skin receptor detecting deep pressure

A

lamellar corpuscule

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14
Q

what senses that the quadriceps muscle has stretched

A

proprioceptors

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15
Q

why ears pop in chnaging altitude

A

up in altitude exetrnal pressure decreases and air in inner ear will push on ear drum causing pressure
down, external pressure increases and pushes on eardrum

goal: pop to restore equal pressure

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16
Q

what does 20-200 vison mean

A

can see 20 feet when others can see 200 feet

17
Q

what does 20-50-1 vision mean

A

read all but one letter on 20-50 line

18
Q

perfect vision

A

20-20

19
Q

astigmatism

A

imperfection in curvature of persons eye: causes blurred vision near and at a distance

20
Q

trouble with near vision

A

presbyotic

21
Q

myopic

A

light focused on a point before the retina

22
Q

laser surgery

A

curvature of retina increased, so focuses better on retina

23
Q

accomodation

A

look object, ciliary muscle contract so lens become more round, older=lens more rigid

24
Q

presbyopia

A

need to read from further bc decreases the elsticity of eye so light focuses behind retina