Question 1

As a stereocilium bends, the tip link pulls ______ gates open.

Accepted Answer

A)   Na+
B)   Ca2+
C)   Cl-
D)   K+E) None of the above
F) C) and D)

Question 2

The cornea is relatively easy to transplant because

Accepted Answer

A)   its proteoglycan content is high.
B)   it is easy to access and is a vascular.
C)   it has an extensive blood supply.
D)   its high immunological activity prevents infection.
E)   it is not attached to the eye.F) B) and D)
G) B) and C)

Question 3

The sense of taste is called

Accepted Answer

A)   olfaction.
B)   perception.
C)   gustation.
D)   tastant.
E)   mastication.F) B) and E)
G) B) and D)

Question 4

Damage to the left side of the brain near the visual cortex could result in which of the following visual changes?

Accepted Answer

A)   loss of temporal visual fields from both eyes
B)   loss of nasal visual fields from both eyes
C)   loss of right visual fields from both eyes
D)   loss of left visual fields from both eyes
E)   None of these choices is correct.F) A) and D)
G) C) and D)

Question 5

Which of the following is a part of the bony labyrinth?

Accepted Answer

A)   malleus
B)   vestibule
C)   cochlear duct
D)   tympanic membrane
E)   ossiclesF) C) and E)
G) B) and C)

Question 6

Which auditory ossicle is attached to the tympanic membrane?

Accepted Answer

A)   labyrinth
B)   incas
C)   malleus
D)   stapes
E)   oval windowF) A) and B)
G) B) and C)

Question 7

The taste of salts results when ____ diffuses through channels leading to depolarization of the taste cell. Similarly, sour is tasted when ______ lead(s)  to the depolarization of taste cells.

Accepted Answer

A)   umami, H+
B)   Na+, amino acids
C)   Na+, H+
D)   H+, G protein mechanismE) A) and C)
F) B) and C)

Question 8

What ion(s)  cause(s)  depolarization in olfactory neurons?

Accepted Answer

A)   Na+
B)   Ca2+
C)   K+
D)   Both Na+ and K+
E)   Both Na+ and Ca2+F) All of the above
G) A) and E)

Question 9

Oscillation of the eyes during the tracking of something in motion is called

Accepted Answer

A)   nystagmus.
B)   vertigo.
C)   scotoma.
D)   ptosis.
E)   otitis media.F) D) and E)
G) B) and D)

Question 10

Which of the following is true?

Accepted Answer

A)   The cochlear duct is filled with perilymph.
B)   The bony core of the cochlea is called the modiolus.
C)   The foot plate of the incus fits into the round window.
D)   The vestibule is one of the regions of the organ of corti.
E)   The spiral organ is found in the semicircular canals.F) A) and D)
G) All of the above

Question 11

Match the structure with the appropriate description.
-conjunctivitis

Accepted Answer

A)  lubricate the eyelid
B)  protect the eye from falling objects
C)  an inflamed ciliary gland
D)  small tubes that drain tears into the lacrimal sac
E)  inflammation of the conjunctivaF) A) and E)
G) A) and B)

Question 12

The medial olfactory area

Accepted Answer

A)   provides emotional reactions to odors.
B)   is the site of conscious perception of odors.
C)   generates action potentials in olfactory neurons.
D)   modulates the sense of olfaction within the olfactory bulb.
E)   is the area where chemicals bind to receptors.F) B) and C)
G) All of the above

Question 13

Match the structure with the appropriate description.
-macula

Accepted Answer

A)  blood vessels enter and the optic nerve exits here
B)  a small yellow spot near the center of the posterior retina
C)  the portion of the retina with the greatest visual acuity
D)  a jellylike substance in the posterior cavity of the eye
E)  the fluid that fills the anterior cavity of the eyeF) A) and C)
G) All of the above

Question 14

Pinkeye is an acute inflammation of the

Accepted Answer

A)   retina.
B)   choroid.
C)   sclera.
D)   conjunctiva.
E)   lacrimal gland.F) A) and D)
G) C) and E)

Question 15

Match the structure with the appropriate description.
-optic disc

Accepted Answer

A)  blood vessels enter and the optic nerve exits here
B)  a small yellow spot near the center of the posterior retina
C)  the portion of the retina with the greatest visual acuity
D)  a jellylike substance in the posterior cavity of the eye
E)  the fluid that fills the anterior cavity of the eyeF) A) and D)
G) A) and B)

Question 16

Match the structure with the appropriate description.
-eyebrows

Accepted Answer

A)  lubricate the eyelid
B)  protect the eye from falling objects
C)  an inflamed ciliary gland
D)  small tubes that drain tears into the lacrimal sac
E)  inflammation of the conjunctivaF) B) and D)
G) B) and C)

Question 17

A person loses all vision in their left eye. One possible cause could be damage to the

Accepted Answer

A)   optic chiasma.
B)   left optic tract.
C)   optic nerve in the left eye.
D)   right lateral geniculate nucleus.
E)   right visual cortex in the occipital lobe.F) C) and E)
G) A) and E)

Question 18

Light refracts as it passes through the

Accepted Answer

A)   vitreous humor, sclera, and iris.
B)   lens, aqueous humor, and sclera.
C)   cornea, retina, and vitreous humor.
D)   lens, cornea and humors of the eye.
E)   sclera, iris, and retina.F) A) and D)
G) A) and C)

Question 19

To which of the following substances would the taste buds be most sensitive?

Accepted Answer

A)   syrup
B)   vinegar
C)   salt water
D)   quinine (tonic)  water
E)   jellyF) All of the above
G) C) and E)

Question 20

The utricle and saccule are involved in

Accepted Answer

A)   static balance.
B)   kinetic balance.
C)   hearing low intensity sounds.
D)   hearing high intensity sounds.
E)   evaluating movements of the head.F) A) and E)
G) A) and D)

Exam 15: The Special Senses

To which of the following substances would the taste buds be most sensitive?

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Pinkeye is an acute inflammation of the

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The medial olfactory area

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The sense of taste is called

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Match the structure with the appropriate description. -eyebrows

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A person loses all vision in their left eye. One possible cause could be damage to the

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Light refracts as it passes through the

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Which of the following is true?

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What ion(s) cause(s) depolarization in olfactory neurons?

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As a stereocilium bends, the tip link pulls ______ gates open.

Correct AnswerverifiedShow Answer

The taste of salts results when ____ diffuses through channels leading to depolarization of the taste cell. Similarly, sour is tasted when ______ lead(s) to the depolarization of taste cells.

Correct AnswerverifiedShow Answer

The cornea is relatively easy to transplant because

Correct AnswerverifiedShow Answer

Which auditory ossicle is attached to the tympanic membrane?

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Match the structure with the appropriate description. -macula

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Match the structure with the appropriate description. -optic disc

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Damage to the left side of the brain near the visual cortex could result in which of the following visual changes?

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The utricle and saccule are involved in

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -conjunctivitis

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Which of the following is a part of the bony labyrinth?

Correct AnswerverifiedShow Answer

Oscillation of the eyes during the tracking of something in motion is called

Correct AnswerverifiedShow Answer

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The taste of salts results when diffuses through channels leading to depolarization of the taste cell. Similarly, sour is tasted when __ lead(s) to the depolarization of taste cells.

Correct Answer
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