Deck 24: Special Senses

Question 1

Impulses are transmitted from the inner ear to the brainstem by way of the _____ nerve.

A)vestibular
B)cochlear
C)tectorial
D)oculomotor

Answer 1

B

Question 2

The tympanic membrane:

A)leads from the auricle into the temporal bone.
B)surrounds the cochlea and the semicircular canals.
C)is continuous with the external auditory meatus.
D)is also known as the inner ear.

Answer 2

C

Question 3

The auditory ossicles include the:

A)malleus.
B)incus.
C)stapes.
D)All of the above are correct.

Answer 3

D

Question 4

Which of the following is a true statement?

A)Cones are more numerous than rods.
B)Cones are most densely concentrated in the fovea centralis.
C)Rods are most densely concentrated in the macula lutea.
D)Cones increase in density toward the periphery of the retina.

Question 5

The major function of the utricle and saccule in the vestibule is:

A)transmitting sound waves through bones.
B)changing sound waves into nerve impulses.
C)detecting the position of the head.
D)conducting sound waves through endolymph.

Question 6

The white of the eye is referred to as the:

A)sclera.
B)choroid.
C)retina.
D)cornea.

Question 7

The semicircular canals are in _____ planes of the body.

A)two
B)three
C)four
D)five

Question 8

Which of the following structures is not a component of the external ear?

A)Auricle
B)Cerumen-secreting glands
C)Eustachian tube
D)External auditory meatus

Question 9

Both olfactory receptors and taste buds are:

A)thermoreceptors.
B)chemoreceptors.
C)nociceptors.
D)mechanoreceptors.

Question 10

The sense organs responsible for static equilibrium are located in the:

A)utricle.
B)saccule.
C)semicircular canals.
D)Both A and B are correct.

Question 11

Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition.

A)tectorial
B)basilar
C)vestibular
D)cochlear

Question 12

Which of the following is not a part of the bony labyrinth?

A)Semicircular canal
B)Malleus
C)Vestibule
D)Cochlea

Question 13

The organ of Corti is located in the:

A)vestibule.
B)semicircular canal.
C)scala vestibuli.
D)cochlear duct.

Question 14

The number of pure, or "primary," tastes is about:

A)5.
B)15.
C)30.
D)100.

Question 15

The part of the eye containing nervous tissue is the:

A)sclera.
B)choroid.
C)iris.
D)retina.

Question 16

All of the following are "primary" taste sensations except:

A)sweet.
B)sour.
C)spicy.
D)bitter.

Question 17

To produce a clear image, the aqueous humor is involved in the process of:

A)refraction.
B)constriction.
C)accommodation.
D)convergence.

Question 18

The olfactory tract carries impulses associated with:

A)taste.
B)equilibrium.
C)smell.
D)pain.

Question 19

Blood vessels are found in which of the following parts of the eye?

A)Cornea
B)Lens
C)Choroid
D)Aqueous humor

Question 20

There are _____ openings into the middle ear.

A)two
B)three
C)four
D)five

Question 21

Which of the following must happen for near vision to occur?

A)Increased tension of the suspensory ligament
B)Relaxation of the ciliary muscle
C)Increased curvature of the lens
D)Contraction of the superior rectus muscle

Question 22

The passageway leading to the tympanic membrane is the:

A)external auditory meatus.
B)auditory tube.
C)eustachian tube.
D)oval window.

Question 23

Tongue papillae are classified by which of the following?

A)scent
B)structure
C)location
D)function

Question 24

Which of the following is a primary photopigment?

A)Green
B)Orange
C)White
D)Purple

Question 25

Which of the following tongue papillae do not have taste buds?

A)Fungiform
B)Filiform
C)Foliate
D)All of the above contain taste buds.

Question 26

Which of the following structures is concerned with hearing?

A)Utricle
B)Saccule
C)Semicircular canals
D)Cochlear duct

Question 27

The function of the lacrimal apparatus is to:

A)secrete aqueous humor.
B)secrete vitreous humor.
C)drain aqueous humor.
D)secrete tears.

Question 28

Irregular curvature of the cornea can produce:

A)myopia.
B)glaucoma.
C)hyperopia.
D)astigmatism.

Question 29

Taste buds can be found:

A)in the lining of the mouth.
B)on the soft palate.
C)on the tongue.
D)in all of the above locations.

Question 30

Which of the following is not a structure of the middle ear?

A)Incus
B)Stapes
C)Auditory tube
D)Vestibule

Question 31

Which structure is not inside the vestibule of the inner ear?

A)Cochlear duct
B)Utricle
C)Saccule
D)All of the above are in the vestibule.

Question 32

Presbyopia is a condition resulting from:

A)excessive aqueous humor.
B)opacity of the lens.
C)loss of lens elasticity.
D)irregular curvature of the cornea.

Question 33

The inability to focus the lens properly as we age is called:

A)myopia.
B)hyperopia.
C)presbyopia.
D)astigmatism.

Question 34

Which is not true of nearsightedness?

A)Light rays converge in front of the retina.
B)The eyeball may be too long.
C)Convex glasses are used for correction.
D)If uncorrected, the image is blurred.

Question 35

Strabismus is a problem related to:

A)convergence.
B)accommodation.
C)refraction.
D)constriction.

Question 36

The eyelids and anterior surface of the eye are lined by the:

A)cornea.
B)iris.
C)lens.
D)conjunctiva.

Question 37

Clearness or sharpness of visual perception is known as:

A)control
B)peripheral sense
C)visual acuity
D)visual balance

Question 38

Which of the following is not an accessory structure of the eye?

A)Eyebrows
B)Eyelashes
C)The palpebrae
D)All of the above are accessory structures.

Question 39

There are how many types of cones in the retina?

A)One
B)Two
C)Three
D)Four

Question 40

The word cochlea means:

A)shell
B)snail
C)crest
D)ocean

Question 41

The photopigment melanopsin is found in:

A)rods only.
B)cones only.
C)ganglion cells.
D)both rods and cones.

Question 42

The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is:

A)malleus, incus, and stapes.
B)malleus, stapes, and incus.
C)stapes, malleus, and incus.
D)stapes, incus, and malleus.

Question 43

High-frequency sound waves cause the narrow portion of the basilar membrane near the oval window to vibrate.

Question 44

Of all the papillae on the tongue, which one contains the most taste buds?

A)Fungiform papillae
B)Circumvallate papillae
C)Foliate papillae
D)All papillae contain about the same number of taste buds.

Question 45

The auditory ossicles include the malleus, incus, and stapes.

Question 46

The tip of the tongue reacts best to a salty taste and, to a lesser extent, to a sweet taste.

Question 47

Olfaction requires the chemical response of a dissolved substance for a stimulus.

Question 48

When you are looking at a large green field, which cones would be sending the green wavelength to the brain?

A)G
B)L
C)S
D)M

Question 49

Which tongue papillae are large, mushroom-shaped bumps found in the anterior two-thirds of the tongue surface?

A)Fungiform papillae
B)Circumvallate papillae
C)Foliate papillae
D)Filiform papillae

Question 50

The eustachian tube connects the inner ear with the trachea.

Question 51

Which of the following statements is not true of the eye?

A)The anterior cavity is filled with vitreous fluid.
B)The anterior cavity is divided into anterior and posterior chambers.
C)The posterior cavity is larger than the anterior cavity.
D)All of the above statements are true.

Question 52

The transmission pathway for olfactory sensations is olfactory cilia, olfactory bulb, olfactory tract, and cerebral cortex.

Question 53

Which tongue papillae are huge dome-shaped bumps that form a transverse row near the back of the tongue?

A)Fungiform papillae
B)Circumvallate papillae
C)Foliate papillae
D)Filiform papillae

Question 54

Which of the following statements is not true about the sense of hearing?

A)The amplitude of the sound wave determines the volume.
B)The frequency of the sound wave determines pitch.
C)High-frequency sound waves cause the basilar membrane near the oval window to vibrate.
D)All of the above statements are true.

Question 55

Which of the following statements is not true of the olfactory receptors?

A)They are chemoreceptors.
B)They are located in an area that is easily stimulated.
C)The sense of smell in humans is less keen than in many other animals.
D)All of the above statements are true.

Question 56

The tip of the tongue reacts best to bitter taste.

Question 57

How many subdivisions does the anterior cavity of the eyeball have?

A)one
B)two
C)four
D)none

Question 58

Which tongue papillae do not contain taste buds but allow us to experience food texture and "feel"?

A)Fungiform papillae
B)Circumvallate papillae
C)Foliate papillae
D)Filiform papillae

Question 59

The olfactory receptor cells lie in an excellent position functionally to smell delicate odors.

Question 60

Cones that are sensitive to light in the blue wavelength wave are referred to as _____ cones.

A)B
B)L
C)S
D)M

Question 61

The eye is the only organ in the body in which both voluntary and involuntary muscles are found.

Question 62

The posterior cavity of the eye contains aqueous humor.

Question 63

Rhodopsin, the photopigment in rods, is less sensitive to light than cone pigments are.

Question 64

Three processes focus light rays so that they form a clear image on the retina: refraction of the light rays, constriction of the pupil, and convergence of the eye.

Question 65

All muscles of the eye are involuntary.

Question 66

Dynamic equilibrium depends on the functioning of the crista ampullaris.

Question 67

Movement of hair cells in the organ of Corti against the cochlear membrane can stimulate nerve impulse conduction.

Question 68

The photo pupil reflex is an accommodation process normally used to see objects that are close.

Question 69

Aqueous humor is a gelatinous substance that fills the posterior cavity of the eyeball.

Question 70

Movement of the eyeball in any desired direction is accomplished by several intrinsic muscles.

Question 71

Usually the closer an object is, the greater the degree of convergence that is necessary to maintain single vision.

Question 72

Strabismus is more of a problem with the internal ciliary muscle than with the external muscles.

Question 73

Glaucoma is a disease in which the lens becomes opaque.

Question 74

The retina is the incomplete innermost coat of the eyeball, in that it has no anterior portion.

Question 75

Both rods and cones function to produce color vision.

Question 76

Refraction means the deflection, or bending, of light rays.

Question 77

Visual acuity is the clearness or sharpness of visual perception.

Question 78

Rhodopsin is a photopigment present in rods that is used for night vision.

Question 79

The sense organs associated with the semicircular canals function in static equilibrium.

Question 80

Color blindness is caused by mistakes in producing three photopigments in the cones.