refraction of light- skin

Question 1

refraction of light

Answer 1

ray of light bend

Question 2

another word for near sighted

Answer 2

myopia

Question 3

what is wrong with the eyeball in myopia

Answer 3

too long

Question 4

where does the image fall in myopia

Answer 4

infront of the retina

Question 5

what type of lenses help myopia

Answer 5

concave

Question 6

nearsighted summary

Answer 6

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

Question 7

what is the problem with nearsighted people

Answer 7

see near not far

Question 8

another word for far sighted

Answer 8

hyperopia

Question 9

what the problem with far sighted people

Answer 9

they can see far not near

Question 10

what is the problem with the eyeball in hyperopia

Answer 10

eyeball too short

Question 11

where does the image fall in hyperopia

Answer 11

image falls behind retina

Question 12

what type of lenses help hyperopia

Answer 12

convex

Question 13

what is an astigmatism

Answer 13

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

Question 14

what is the shape of the cornea like in astigmatism

Answer 14

irregular

Question 15

who has astigmatism

Answer 15

everyone supposedly

Question 16

where is the hearing center

Answer 16

the brain

Question 17

another name for auricle

Answer 17

pina

Question 18

auricle

Answer 18

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

Question 19

what is the only sense organ that keeps growing

Answer 19

ear

Question 20

external auditory canal

Answer 20

contains hair, wax glands

Question 21

what is ear wax supposedly connected to

Answer 21

race

Question 22

what is required to have a hearing aid

Answer 22

some kind of hearing

Question 23

what 2 things make up the outer ear

Answer 23

auricle and external auditory canal

Question 24

what 4 things make up the middle ear

Answer 24

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

Question 25

what is the tympanic membrane

Answer 25

ear drum

Question 26

what are 3 ear bones called

Answer 26

malleus , incus, stapes

Question 27

malleus

Answer 27

first ear bone, hammer

Question 28

incus

Answer 28

2nd ear bone, anvil

Question 29

stapes

Answer 29

3rd ear bone, stirrup

Question 30

can the ear bones be replaced

Answer 30

yes

Question 31

eustachian tube

Answer 31

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

Question 32

function of eustachian tube

Answer 32

maintains equal air pressure on both sides of the eardrum

Question 33

is the eustachian tube connected to hearing

Answer 33

no

Question 34

oval window

Answer 34

middle ear/opening which leads to the inner ear

Question 35

what 3 things make up the inner ear

Answer 35

round window, cochlea, auditory nerve

Question 36

round window

Answer 36

inner ear/ opening between middle and inner

Question 37

cochlea

Answer 37

contains tiny hairs in fluid which responds to sound waves

Question 38

what is equal to the cochlea in the ear

Answer 38

the retina

Question 39

auditory nerve

Answer 39

connects to cochlea, sends sound messages to the brain

Question 40

semicircular canal

Answer 40

important for balence/ equilibrium (fluid in them)

Question 41

what is a condition that affects the semicircular canal

Answer 41

vertigo

Question 42

vertigo

Answer 42

a sensation of dizziness | -drip w/ sweat, stress

Question 43

is the semicircular canal involved with hearing

Answer 43

no

Question 44

mechanical deafness

Answer 44

interference of sound vibrations to the inner ear

Question 45

sensorineural deafness

Answer 45

damage to cochlea- affects nerves

Question 46

tinnitis

Answer 46

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

Question 47

swimmers ear

Answer 47

bacterial infection (pool) pain and maybe pus

Question 48

otitis media

Answer 48

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

Question 49

what happens if you have too many ear infections

Answer 49

tubes get put in

Question 50

what is the functions of tubes for otitis media

Answer 50

make fluid drip into blood stream

Question 51

another name for nose

Answer 51

olfactory organ

Question 52

where is the olfactory center

Answer 52

brain

Question 53

smell

Answer 53

ability to detect chemicals as gases

Question 54

where are the nerve receptors located in the nose

Answer 54

upper part of the nasal cavity

Question 55

smell is related to ______

Answer 55

taste/ long lasting memory

Question 56

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

Answer 56

danger- sympathetic NS (limbic- hypothalmus)

Question 57

where are taste buds

Answer 57

on the tongue

Question 58

taste center

Answer 58

brain

Question 59

how many nerve cells for taste are there

Answer 59

10,000

Question 60

what are the 4 primary taste sensations

Answer 60

sweet, sour, salty, bitter

Question 61

how much of taste is from scent

Answer 61

80%

Question 62

where are the 4 primary tastes located on the tongue

Answer 62

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

Question 63

what things affect your ability to taste

Answer 63

illness, smoking

Question 64

where is the touch center

Answer 64

brain

Question 65

touch receptors

Answer 65

light pressure

Question 66

pressure receptors

Answer 66

heavy pressure

Question 67

temperature receptors

Answer 67

hot and cold

Question 68

pain receptors

Answer 68

lymbic

Question 69

what are all the receptors in the skin

Answer 69

touch and pressure recpetors, temp receptors, pain recpetors