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Anat and Phys - Carter > Chapter 8 review > Flashcards

Chapter 8 review Flashcards

1
Q

What gland in the eye is involved with the secretion of tears

A

lacrimal gland

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2
Q

What is the other name for tears

A

lacrimal fluid

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3
Q

What is an eye infection called

A

Conjunctivitis

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4
Q

What is the sclera

A

white of the eye, fibrous layer

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5
Q

What are the 3 tunics

A

fibrous, choroid, sensory

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6
Q

What tunic are the rods and cones on

A

sensory

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7
Q

what are rods responsible for

A

grey tones and light and peripheral vision

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8
Q

what are cones for

A

color

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9
Q

what is the aqueous humor

A

watery fluid found in chamber between the lens and the cornea, similar to blood plasma

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10
Q

what is the vitreous humor

A

gel-like substance behind the lens, keeps the lens from collapsing inward, lasts a lifetime

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11
Q

what is the function of meibomian gland

A

modified sebaceous glands produce an oily secretion to lubricate the eye

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12
Q

What is the function of the ciliary glands

A

modified sweat gland between eyelashes

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13
Q

what is the conjunctiva

A

membrane that lines the eyelids, connects to the surface of the eye, secretes mucus to lubricate the eye

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14
Q

what is the function of the lacrimal apparatus

A

moisten, protect, and lubricate the eye

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15
Q

what is the function of the lacrimal gland

A

produce lacrimal fluid

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16
Q

lacrimal canals

A

drain lacrimal fluid from the eye

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17
Q

what is the lacrimal sac

A

passageway that leads toward the nasal cavity

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18
Q

nasolacrimal duct

A

empties lacrimal fluid into the nasal cavity

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19
Q

extrinsic (external) eye muscles

A

produce gross eye movements and make it possible to follow moving objects, muscles attached to the outer surface of the eye

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20
Q

cornea

A

allows for light to pass through

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21
Q

choroid layer

A

blood rich nutritive tunic, prevents light from scattering in the eye

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22
Q

ciliary body

A

smooth muscle which the lens is attached to

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23
Q

iris

A

gives the eye color

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24
Q

pupil

A

rounded opening in the iris for light to enter

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25
receptors that are stimulated by physical force
mechanical
26
What reflex occurs when light is shined in the eye
photopupillary reflex
27
what is gustatory receptors responsible for
taste
28
what are olfactory receptors responsible for
smell
29
what is another name for the eardrum
tympanic membrane
30
what is the fovea centralis
area of the retina with only cones
31
what distance is the resting eye set at
20 feet
32
what is lens accomodation
changing shaping of the lens to focus on closer objects
33
viewing close objects causes accommodation is what kind of reflex
accommation pupillary reflex
34
what is the pathway of vibration
eardrum to the 3 ossicles
35
what are the 3 ossicles's name
malleus, incus, stupes
36
what are the 3 ossicle's common names
hammer, anvil, stirrup
37
what are the 3 parts of the ear
external ear, middle ear, inner ear
38
what are the external and middle ear responsible for
hearing
39
what is the inner ear responsible for
balance
40
what 2 things are a part of the external ear
pinna and external auditory canal
41
what is dynamic equalibrium
circular movements of the head
42
what is static equilibrium
up and down with respect to gravity
43
organ of corti
located within the cochlea, receptors = hair cells on the basilar membrane - hearing receptors
44
what are the 3 bones in the bony labriynth
cochlea, vestibule, semicircular canals
45
what is the plasma like fluid called
perilymph
46
what is the thicker fluid in the labriynth
endolymph
47
What is the crista ampullaris
receptors in the semicircular canals
48
what is the crista ampullaris for
dynamic equilibrium
49
what are the rods and cones located on
retina
50
What are the 3 cone types
green, red, blue
51
what is the cornea
allows for light to pass through
52
what are the to photoreceptors
rods and cones
53
Signals pass from photoreceptors via a what two-chain neuron
bipolar neurons and ganglion cells
54
what is the result of lacking one type of cone
colorblindness
55
myopia
nearsighted - far away objects are blurry; light from the objects
56
hyperopia
farsighted - near objects are blurry and distant objects clear
57
where are tastebuds found
on the sides of the papillae on the tounge; most on the tongue, soft palate, cheeks
58
what are chemoreceptors
both taste and smell use them
59
what does the cochlea do
receives sound in the form of vibrations and converts them into nerve impulses
60
where is the vestibule located
stimulated between the semicircular canals and the cochlea
61
semicircular canals
part of the inner ear lined with cilia and filled with a liquid substance (endolymph)
62
what is the receptors called maculae responsible for
static equilibrium
63
cochlear nerve
a division of cranial nerve that the hair cells tansmit impulses through the temporal lobe
64
hair cells
hearing receptors
65
olfactory nerve
bundled axons of olfactory neurons that are used to transmit impulses to the olfactory cortex of the brain
66
otolith
tiny stones; in a gel around the hair, move in response to gravity
67
optic nerve
carries impulses for vision

Anat and Phys - Carter (15 decks)

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