Question 1

The auditory tube

Accepted Answer

A)   amplifies sound waves.
B)   helps maintain balance.
C)   carries sound to the eardrum.
D)   carries sound to the inner ear.
E)   equalizes air pressure between the middle ear and outside air.F) A) and B)
G) A) and C)

Question 2

What is the function of the inner hair cells?

Accepted Answer

A)   The inner hair cells detect chemicals in saliva; they are responsible for our ability to taste.
B)   The inner hair cells protect the external auditory canal.
C)   The inner hair cells are responsible for hearing.
D)   The inner hair cells regulate the tension of the basilar membrane.E) B) and D)
F) A) and C)

Question 3

Which tastant is NOT correctly matched with its process of depolarization?

Accepted Answer

A)   salty - Na+
B)   umami - G protein
C)   bitter - K+
D)   sour - H+
E)   sweet - G proteinF) A) and B)
G) B) and E)

Question 4

Which of the following situations would have the greatest affect on depth perception?

Accepted Answer

A)   having a deficiency of vitamin D
B)   having conjunctivitis
C)   the amount of pupillary dilation
D)   losing one eye in an accident
E)   the local climate where one livesF) B) and C)
G) B) and E)

Question 5

The age-associated changes that result in loss of accommodation of the eyes is called

Accepted Answer

A)   myopia.
B)   hyperopia.
C)   presbyopia.
D)   retinopia.
E)   astigmatism.F) A) and B)
G) A) and E)

Question 6

The optic disc

Accepted Answer

A)   is located in the vascular tunic.
B)   is the site of greatest visual acuity.
C)   is also called the macula lutea.
D)   is on the anterior surface of the eye.
E)   contains no photoreceptor cells.F) B) and C)
G) None of the above

Question 7

In normal near vision light is refracted _____ than in distant vision, thus the lens is _____.

Accepted Answer

A)   less; flattened
B)   more; flattened
C)   more; rounded
D)   less; roundedE) B) and C)
F) C) and D)

Question 8

Blood vessels enter the eye and nerve processes exit the eye at the

Accepted Answer

A)   optic disc.
B)   macula lutea.
C)   sensory retina.
D)   fovea centralis.
E)   pupil.F) A) and C)
G) D) and E)

Question 9

The receptor cells for which of the following special senses are bipolar neurons?

Accepted Answer

A)   equilibrium
B)   hearing
C)   smell
D)   taste
E)   touchF) All of the above
G) A) and E)

Question 10

Why does a person's nose run when he cries?

Accepted Answer

A)   Tears drain into the nasal cavity via the nasolacrimal duct.
B)   Parasympathetic nerve stimulation causes the nose to secrete mucus.
C)   Intense stimulation of the facial nerve as a result of crying increases nasal secretions.
D)   The lacrimal glands secrete tears directly into the nose.
E)   This stimulates fluid production in the nose.F) B) and E)
G) None of the above

Question 11

Match the description with the most appropriate structure.
-ceruminous glands

Accepted Answer

A)  structures that produce earwax
B)  fluid in the membranous labyrinth
C)  fluid between the membranous and bony labyrinth
D)  ossicles connect this structure to eardrum
E)  connects the middle ear to the pharynxF) A) and B)
G) A) and C)

Question 12

Olfactory adaptation occurs when odorant receptors become saturated.

Accepted Answer

A) True 
 B)False

Question 13

Match the structure with the appropriate description.
-sty

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 B)
G) None of the above

Question 14

Which portion of the ear contains the sense organs for hearing and balance?

Accepted Answer

A)   external ear
B)   middle ear
C)   inner ear
D)   auditory tube
E)   tympanic membrane.F) C) and D)
G) B) and E)

Question 15

The transparent anterior portion of the sclera is the

Accepted Answer

A)   iris.
B)   retina.
C)   cornea.
D)   choroid.
E)   pupil.F) B) and D)
G) C) and E)

Question 16

In order for a molecule to be detected by the olfactory neurons, it must

Accepted Answer

A)   be present in high concentrations.
B)   be one of the seven primary classes of odors.
C)   be dissolved in fluid covering the olfactory epithelium.
D)   interact with the mechanoreceptors of the olfactory hair membrane.
E)   enter the nose slowly.F) B) and C)
G) A) and B)

Question 17

The sensory cells for hearing are located in the

Accepted Answer

A)   organ of Corti or spiral organ.
B)   oval window.
C)   middle ear.
D)   vestibule.
E)   semicircular canals.F) B) and E)
G) A) and C)

Question 18

Which of the following is (are)  associated with the retina?

Accepted Answer

A)   lens
B)   ciliary muscle
C)   pupil
D)   suspensory ligaments
E)   rods and conesF) None of the above
G) A) and B)

Question 19

How does the avascular cornea acquire oxygen?

Accepted Answer

A)   Oxygen diffuses from the atmosphere to the cornea.
B)   Lysozyme in tears releases oxygen to nourish the cornea.
C)   The ciliary body provides oxygen to the cornea.
D)   Oxygen diffuses from the capillaries in the iris to the cornea.E) A) and B)
F) A) and C)

Question 20

Rapid changes in altitude can rupture the eardrum. Symptoms that may occur include

Accepted Answer

A)   dizziness.
B)   light headedness.
C)   feeling of a "full" ear.
D)   ringing in the ears.
E)   hearing impairment.F) C) and E)
G) A) and D)

Exam 15: The Special Senses

Match the description with the most appropriate structure. -ceruminous glands

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Rapid changes in altitude can rupture the eardrum. Symptoms that may occur include

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How does the avascular cornea acquire oxygen?

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Which of the following situations would have the greatest affect on depth perception?

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Which tastant is NOT correctly matched with its process of depolarization?

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In normal near vision light is refracted _____ than in distant vision, thus the lens is _____.

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Which of the following is (are) associated with the retina?

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The optic disc

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Which portion of the ear contains the sense organs for hearing and balance?

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In order for a molecule to be detected by the olfactory neurons, it must

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What is the function of the inner hair cells?

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The sensory cells for hearing are located in the

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The receptor cells for which of the following special senses are bipolar neurons?

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Match the structure with the appropriate description. -sty

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Why does a person's nose run when he cries?

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The transparent anterior portion of the sclera is the

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Olfactory adaptation occurs when odorant receptors become saturated.

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The age-associated changes that result in loss of accommodation of the eyes is called

Correct AnswerverifiedShow Answer

Blood vessels enter the eye and nerve processes exit the eye at the

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The auditory tube

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In normal near vision light is refracted _ than in distant vision, thus the lens is _.

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