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biology qt3 > refraction of light- skin > Flashcards

refraction of light- skin Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

refraction of light

A

ray of light bend

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2
Q

another word for near sighted

A

myopia

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3
Q

what is wrong with the eyeball in myopia

A

too long

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4
Q

where does the image fall in myopia

A

infront of the retina

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5
Q

what type of lenses help myopia

A

concave

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6
Q

nearsighted summary

A

myopia, see near not far, image in front of retina, concave lenses

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7
Q

what is the problem with nearsighted people

A

see near not far

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8
Q

another word for far sighted

A

hyperopia

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9
Q

what the problem with far sighted people

A

they can see far not near

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10
Q

what is the problem with the eyeball in hyperopia

A

eyeball too short

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11
Q

where does the image fall in hyperopia

A

image falls behind retina

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12
Q

what type of lenses help hyperopia

A

convex

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13
Q

what is an astigmatism

A

blurred vision/ shape of cornea is irregular/ a little bumpy/ everyone has it

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14
Q

what is the shape of the cornea like in astigmatism

A

irregular

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15
Q

who has astigmatism

A

everyone supposedly

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16
Q

where is the hearing center

A

the brain

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17
Q

another name for auricle

A

pina

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18
Q

auricle

A

in the outer ear/ pina/ made of cartilage< not a lot of blood

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19
Q

what is the only sense organ that keeps growing

A

ear

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20
Q

external auditory canal

A

contains hair, wax glands

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21
Q

what is ear wax supposedly connected to

A

race

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22
Q

what is required to have a hearing aid

A

some kind of hearing

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23
Q

what 2 things make up the outer ear

A

auricle and external auditory canal

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24
Q

what 4 things make up the middle ear

A

tympanic membrane, 3 ear bones, eustachian tube, oval window

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25
Q

what is the tympanic membrane

A

ear drum

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26
Q

what are 3 ear bones called

A

malleus , incus, stapes

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27
Q

malleus

A

first ear bone, hammer

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28
Q

incus

A

2nd ear bone, anvil

29
Q

stapes

A

3rd ear bone, stirrup

30
Q

can the ear bones be replaced

A

yes

31
Q

eustachian tube

A

connect middle ear to the throat/ maintains equal air pressure on both sides of the eardrum/ no connection to hearing

32
Q

function of eustachian tube

A

maintains equal air pressure on both sides of the eardrum

33
Q

is the eustachian tube connected to hearing

A

no

34
Q

oval window

A

middle ear/opening which leads to the inner ear

35
Q

what 3 things make up the inner ear

A

round window, cochlea, auditory nerve

36
Q

round window

A

inner ear/ opening between middle and inner

37
Q

cochlea

A

contains tiny hairs in fluid which responds to sound waves

38
Q

what is equal to the cochlea in the ear

A

the retina

39
Q

auditory nerve

A

connects to cochlea, sends sound messages to the brain

40
Q

semicircular canal

A

important for balence/ equilibrium (fluid in them)

41
Q

what is a condition that affects the semicircular canal

A

vertigo

42
Q

vertigo

A

a sensation of dizziness

-drip w/ sweat, stress

43
Q

is the semicircular canal involved with hearing

A

no

44
Q

mechanical deafness

A

interference of sound vibrations to the inner ear

45
Q

sensorineural deafness

A

damage to cochlea- affects nerves

46
Q

tinnitis

A

ringing in the ear (hairs bent) if it keeps happening they wont regenerate

47
Q

swimmers ear

A

bacterial infection (pool) pain and maybe pus

48
Q

otitis media

A

2/3 by age of 2 have had it/ bacteria, viral- middle ear infection

49
Q

what happens if you have too many ear infections

A

tubes get put in

50
Q

what is the functions of tubes for otitis media

A

make fluid drip into blood stream

51
Q

another name for nose

A

olfactory organ

52
Q

where is the olfactory center

A

brain

53
Q

smell

A

ability to detect chemicals as gases

54
Q

where are the nerve receptors located in the nose

A

upper part of the nasal cavity

55
Q

smell is related to ______

A

taste/ long lasting memory

56
Q

if your nose smells a fire, what system is it connected to

A

danger- sympathetic NS (limbic- hypothalmus)

57
Q

where are taste buds

A

on the tongue

58
Q

taste center

A

brain

59
Q

how many nerve cells for taste are there

A

10,000

60
Q

what are the 4 primary taste sensations

A

sweet, sour, salty, bitter

61
Q

how much of taste is from scent

A

80%

62
Q

where are the 4 primary tastes located on the tongue

A

bitter- back
salty- left
sour- right
sweet- tip

63
Q

what things affect your ability to taste

A

illness, smoking

64
Q

where is the touch center

A

brain

65
Q

touch receptors

A

light pressure

66
Q

pressure receptors

A

heavy pressure

67
Q

temperature receptors

A

hot and cold

68
Q

pain receptors

A

lymbic

69
Q

what are all the receptors in the skin

A

touch and pressure recpetors, temp receptors, pain recpetors

biology qt3 (26 decks)

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