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Anatomy chapter 8 > Multiple Choice > Flashcards

Multiple Choice Flashcards

1
Q

The congenital condition of “crossed eyes” is also known as:

A

strabismus

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2
Q

The aqueous humor of the eye is reabsorbed into the venous blood through the:

A

scleral venous sinus (canal of Schlemm)

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3
Q

Which cranial nerve is responsible for moving the eye laterally?

A

Cranial nerve (abducens)

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4
Q

The fading of a smell some time after you enter a room is an example of experiencing:

A

Sensory adaption

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5
Q

The inability to see distant objects is termed “nearsighted” or:

A

myopia

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6
Q

Which of the following extrinsic eye muscles is responsible for rotating the eye laterally?

A

Lateral rectus

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7
Q

Treatment of a cataract usually involves removal of the:

A

Lens

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8
Q

Taste receptors are:

A

Modified epithelial cells

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9
Q

Visual pigments are derivatives of

A

rhodopsin

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10
Q

The daily day/night cycle known as a circadian rhythm is established in the

A

hypothalamus

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11
Q

The shape of the lens is controlled by the:

A

Suspensory ligaments

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12
Q

The greatest visual acuity is found at the:

A

fovea centralis

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13
Q

Taste buds are monitored by cranial nerves:

A

VII, IX, X

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14
Q

When viewing an object close to you, your lens should be more:

A

convex

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15
Q

What structure of the eye focuses light on the retina:

A

lens

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16
Q

The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the:

A

retina

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17
Q

The three sets of color receptors within the retina are sensitive to wavelengths of visible light that are:

A

blue, green, red

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18
Q

There are _____ primary taste sensations.

A

4

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19
Q

The fibrous outermost tunic seen anteriorly as the “white of the eye” is the:

A

sclera

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20
Q

Night blindness can be treated by administering

A

vitamin A

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21
Q

The pigmented portion of the eye is the

A

iris

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22
Q

The space between the suspensory ligaments and the iris are

A

posterior chamber

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23
Q

Visual acuity is also known as

A

clarity of vision

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24
Q

Rhodopsin is found in

A

rods

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25
Q

Nearsightedness is more properly called

A

myopia

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26
Q

The lens of the eye thickens when the

A

ciliary muscles relax

27
Q

The oily secretions that lubricate the eye are produced by the

A

tarsal glands

28
Q

Normal eye focusing is termed

A

emmetropia

29
Q

Loss of lens transparency is referred to as

A

cataract

30
Q

Tarsal glands associated with the edges of the eyelids are considered modified

A

sebaceous glands

31
Q

Which layer of the eye contains rods and cones?

A

retina

32
Q

Which of the following concerning olfaction is false?

A

Olfactory receptors are highly modified neurons

33
Q

The gel-like substance that reinforces the eyeball and prevents is from collapsing inward is the:

A

vitreous humor

34
Q

Olfactory glands

A

produce a pigments mucus that covers the olfactory epithelium

35
Q

The vitreous body

A

helps to stabilize the eye and give physical support to the retina

36
Q

The only special sense that is NOT fully functional at birth is:

A

vision

37
Q

The lacrimal glands

A

a and b only

38
Q

The color receptors within the retina are sensitive to lights that are

A

red, blue, green

39
Q

The function of gustatory receptors parallels that of

A

olfactory receptors in the nose

40
Q

The pigmented portion of the eye that has a rounded opening through which light passes is the:

A

iris

41
Q

A sudden flash of bright light would

A

cause contraction of the pupillary constrictor muscles

42
Q

Eyes suddenly exposed to bright light experience

A

pupillary reflex

43
Q

The decreased lens elasticity associated with aging that makes it difficult to focus on near objects is known as:

A

presbyopia

44
Q

Which of the following correctly lists the order of the parts through which light passes as it enters the eye:

A

Cornea, aqueous humor, lens, vitreous humor

45
Q

As nerve fibers from the retina travel to the brain, axons from the

A

retinas of both eyes ALL cross over

46
Q

The anterior cavity is

A

filled with aqueous humor

47
Q

Chemoreceptors are located in the

A

carotid and aortic bodies

48
Q

The transparent central anterior portion of the sclera through which light enters the eye is called the:

A

cornea

49
Q

The gland that produces tears in the eye is called the:

A

lacrimal gland

50
Q

Which of the following extrinsic eye muscles is responsible for enabling the eye to look upward?

A

superior rectus

51
Q

The transparent portion of the eye is the

A

cornea

52
Q

A blind spot in the retina occurs where

A

the optic nerve attaches to the retina

53
Q

Which of the following is a primary taste sensation?

A

sweet

54
Q

The highly contagious bacterial infection known as “pink eye” is caused by bacterial or viral irritation of the:

A

conjunctiva

55
Q

Olfactory receptors are examples of

A

chemoreceptors

56
Q

The lens focuses light on the photoreceptor cells by

A

changing shape

57
Q

When all three cone populations are stimulated, one sees

A

white

58
Q

Stereoscopic vision results when the

A

images in each eye are slightly different

59
Q

Which one of the following is NOT true of colorblindness?

A

it occurs more often in women

60
Q

The space between the iris and the cornea is the

A

anterior chamber

61
Q

A device that monitors the activity of the photoreceptor cells of the eye indicates that there is a constant flow of neurotransmitters being released by the photoreceptor cells. This info implies that the subject is

A

in a dark room

62
Q

A structure that is located at the medial cants and contains glands that produce a gritty secretion is the

A

lacrimal caruncle

63
Q

The special senses are

A

all of the above

Anatomy chapter 8 (4 decks)

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