Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Human Anatomy > Ch 16 Special Senses > Flashcards

Ch 16 Special Senses Flashcards

1
Q

Special senses have receptors that are:

A

localized and complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Dendritic endings that interact directly with food molecules are:

A

gustatory hairs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The back of the tongue is innervated by which nerve?

A

glossopharyngeal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The receptors for both taste and smell are:

A

chemoreceptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Olfactory sensory neurons are:

A

bipolar neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What part of the receptor cell is stimulated by chemicals in the air?

A

olfactory cilia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Olfactory nerves enter the cranium through the

A

cribiform plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Bipolar chemoreceptor cells that respond to chemicals in the air.

A

Olfactory sensory neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Consists of axons of the olfactory receptor cells.

A

Olfactory nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Chemoreceptor cells that respond to chemicals in food.

A

Gustatory epithelial cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Microscopic sensory organ for taste.

A

Taste bud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Nerve fibers that carry impulses from olfactory receptor cells to the olfactory portion of cerebrum.

A

Olfactory tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Nerve that carries taste impulses from the anterior 2/3 of the tongue to the brain.

A

Facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Large visible bumps on the surface of the tongue.

A

Papillae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Enlarged end of olfactory tract located above the cribriform plate.

A

Olfactory bulb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Lobe of the brain where taste is perceived.

A

Parietal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Lobe of the brain where smell is perceived.

A

Temporal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What muscle raises the eyelid?

A

levator palpebrae superioris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The membrane on the surface of the eye is the

A

conjunctiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What antibacterial enzyme is found in lacrimal fluid?

A

lysozyme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which of these empties into the nasal cavity?

A

nasolacrimal duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Extrinsic muscles are:

A

skeletal muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which muscles control focusing of the lens?

A

ciliary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Fibrous tunic of the eye?

A

Cornea, sclera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Vascular tunic of the eye?

A

Choroid, Iris, Ciliary body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Nervous tunic of the eye?

A

Retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Which of these is NOT composed of muscle?

A

choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The ciliary zonula attaches to the

A

lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The pupil gets smaller when these contract.

A

constrictor muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Which structure absorbs light to prevent scattering in the back of the eye?

A

choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The nervous tunic is composed of the:

A

retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

The cells for black-and-white vision are the:

A

rods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Axons of ganglion cells form the:

A

optic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

The blind spot of the eye is the

A

optic disc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

The point of clearest vision is the:

A

fovea centralis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

The cells closest to the choroid are the:

A

photoreceptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

The peripheral edges of the retina have mostly:

A

rods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

The anterior cavity is filled with:

A

aqueous humor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Blockage of the scleral venous sinus causes:

A

glaucoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

The space between the lens and retina is filled with:

A

vitreous humor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Rods:

A

Black and white vision, sensitive to light, many around edges of retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Cones:

A

Color vision, many in macula lutea, operate best in bright light, only type in fovea centralis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Which structure controls the focusing of the lens?

A

ciliary body

44
Q

Which part of the vascular tunic controls the diameter of the pupil?

A

iris

45
Q

In which order does light pass through the structures of the eye as it enters?

A

cornea, aqueous humor, lens, vitreous humor, retina

46
Q

The term for the change which occurs in the shape of the lens to focus images on the retina is:

A

accommodation

47
Q

Glaucoma can be caused by:

A

blockage of the scleral venous sinus

48
Q

The transparent window in the front of the eye.

A

Cornea

49
Q

The tough fibrous outer covering that forms the white of the eye

A

Sclera

50
Q

The space between the cornea and lens

A

Anterior segment

51
Q

The space between the lens and the retina.

A

Posterior segment

52
Q

The biconcave, flexible structure behind the iris that focuses light on the retina.

A

Lens

53
Q

The dark brown vascular layer that absorbs stray light and supplies the eye tunics with blood.

A

Choroid

54
Q

The ring of muscle that encircles the lens and controls the degree of accommodation.

A

Ciliary body

55
Q

The fluid in the anterior segment.

A

Aqueous humor

56
Q

The structure responsible for draining fluid from the anterior segment.

A

Scleral venous sinus

57
Q

The ring of smooth muscle that constricts and dilates to change the amount of light entering the eye

A

Iris

58
Q

The gel-like material that fills the posterior segment.

A

Vitreous humor

59
Q

The thin fibers that attach the lens to the ciliary body.

A

Ciliary zonula

60
Q

The opening in the middle of the iris that allows light to enter the posterior segment.

A

Pupil

61
Q

The inner layer of the eye composed of nervous tissue.

A

Retina

62
Q

The pit directly behind the pupil that is the location where the sharpest image is formed.

A

Fovea centralis

63
Q

The blind spot of the eye where nerve fibers converge to exit the back of the eye.

A

Optic disc

64
Q

The nerve that carries visual information to the brain.

A

Optic nerve

65
Q

The photoreceptor cells found in highest numbers in the fovea centralis; allow color vision.

A

Cones

66
Q

The photoreceptor cells found in highest numbers around the periphery of the retina; provide black-and-white vision.

A

Rods

67
Q

The system of membranous sacs and ducts in the inner ear filled with endolymph.

A

Membranous labyrinth

68
Q

Series of interconnecting chambers in temporal bone filled with perilymph.

A

Bony labyrinth

69
Q

Passageway that connects the middle ear with the throat; also called the eustachian tube.

A

Pharyngotympanic tube

70
Q

Membrane that separates the middle ear from the external ear; vibrates when sound waves hit it.

A

Tympanic membrane

71
Q

The outer, visible portion of the ear; also known as the pinna.

A

Auricle

72
Q

The ear ossicle in contact with the oval window.

A

Stapes

73
Q

The ear ossicle in contact with the tympanic membrane.

A

Malleus

74
Q

The central ear ossicle that connects the other two.

A

Incus

75
Q

The sensory receptor for hearing; this structure converts sound vibrations into nerve impulses.

A

Organ of Corti

76
Q

The membrane that forms a base for the organ of Corti; its varying length fibers “tune” it.

A

Basilar membrane

77
Q

The portion of the inner ear that houses the receptors for hearing.

A

Cochlea

78
Q

The entrance to the cochlea which is occupied by the footplate of the stapes.

A

Oval window

79
Q

The membrane that acts as a pressure valve to dissipate vibrations at the end of the scala tympani.

A

Round window

80
Q

The passageway that carries sound waves to the tympanic membrane.

A

External acoustic meatus

81
Q

Ring-shaped tunnels that are involved in sensing rotational acceleration.

A

Semicircular canals

82
Q

The portion of the inner ear where the saccule and utricle are located; senses static equilibrium.

A

Vestibule

83
Q

The branch of the vestibulocochlear nerve that carries sensations of hearing.

A

Cochlear nerve

84
Q

The branch of the vestibulocochlear nerve that carries sensations of equilibrium.

A

Vestibular nerve

85
Q

The sensory receptor for rotational acceleration; located in the semicircular canals.

A

Crista ampullaris

86
Q

The sensory receptors for static equilibrium; located in the saccule and utricle.

A

Maculae

87
Q

The portion of the ear that contains the ossicles and connects to the pharyngotympanic tube.

A

Middle ear

88
Q

The portion of the ear that includes the vestibule, semicircular canals, and cochlea.

A

Inner ear

89
Q

The portion of the ear that includes the auricle and external acoustic meatus.

A

Outer ear

90
Q

Which branch of the vestibulocochlear nerve carries sensations of hearing?

A

cochlear

91
Q

In which lobe is hearing perceived?

A

temporal

92
Q

Something that prevents sound waves from reaching the organ of Corti would cause:

A

conduction deafness

93
Q

The receptor for static equilibrium is the:

A

macula

94
Q

Rotational acceleration is sensed in the:

A

semicircular canals

95
Q

Motion in a straight line is mainly sensed by structures in the:

A

vestibule

96
Q

The crista ampullaris would respond most strongly to:

A

spinning around

97
Q

Which of these would be found in the macula?

A

otoliths

98
Q

Nerve impulses for________are triggered by bending of hair cells.

A

hearing, static equilibrium, rotational acceleration

99
Q

Which branch of the vestibulocochlear nerve carries sensations of equilibrium?

A

vestibular

100
Q

What structure separates the outer ear and middle ear?

A

tympanic membrane

101
Q

What is the function of the ear ossicles?

A

to transmit vibrations from the tympanic membrane to the inner ear

102
Q

Which of these is between the stapes and the inner ear?

A

oval window

103
Q

What is the function of the pharyngotympanic tube?

A

to equalize pressure between the middle ear and the outside atmosphere

104
Q

Which of these is NOT a correct statement?

A

The bony labyrinth contains endolymph and the membranous labyrinth contains perilymph.

105
Q

Which of these is NOT a correct match between a part of the inner ear and a structure it contains?

A

vestibule-crista ampullaris, and semicircular canals-utricle

Human Anatomy (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions