Question 1

Which auditory ossicle is connected to the tympanic membrane?

Accepted Answer

A)   anvil
B)   stapes
C)   incus
D)   malleusE) A) and B)
F) A) and D)

Question 2

The ability of the lens to change its shape from flattened to round is known as:

Accepted Answer

A)   refraction.
B)   convergence.
C)   accommodation.
D)   inversion.E) C) and D)
F) B) and D)

Question 3

What secretes the aqueous humor?

Accepted Answer

A)   iris
B)   vitreous humor
C)   lens
D)   ciliary bodyE) B) and D)
F) B) and C)

Question 4

In the light -adapted state:

Accepted Answer

A)   rods are bleached and unable to function.
B)   colors are dull.
C)   we could see better in the dark.
D)   we can only see color and not black and white.E) None of the above
F) B) and C)

Question 5

Match the following with the parts of the ear.
  
-External auditory canal

Accepted Answer

The answer of Match the following with the parts of...

Question 6

Discuss how image -processing occurs in the retina when light strikes photoreceptors.

Accepted Answer

Rods and cones move from a depolarized s...

Question 7

Where are sound vibrations amplified?

Accepted Answer

A)   tympanic membrane
B)   vestibule
C)   auditory ossicles
D)   semicircular canalsE) All of the above
F) C) and D)

Question 8

Describe how light is refracted and focused on the retina in an emmetropic eye.

Accepted Answer

The greatest degree of refraction occurs...

Question 9

Describe the function of the lacrimal gland.

Accepted Answer

The lacrimal glands release tears and mu...

Question 10

What unit of light stimulates photoreceptor cells in the retina?

Accepted Answer

A)   glutamate
B)   gamma ray
C)   refractive index
D)   photonE) C) and D)
F) B) and C)

Question 11

Like all other sensory pathways, the nerve impulses associated with olfaction are routed through the thalamus on the way to the primary olfactory cortex.

Accepted Answer

A) True 
 B)False

Question 12

The olfactory nerves (CN I)  are formed by:

Accepted Answer

A)   olfactory bulbs.
B)   axons of the olfactory neurons.
C)   olfactory tracts.
D)   supporting cells.E) None of the above
F) A) and C)

Question 13

Taste is detected when chemicals bind receptors on the microvilli of:

Accepted Answer

A)   gustatory cells.
B)   olfactory cells.
C)   basal cells.
D)   supporting cells.E) C) and D)
F) All of the above

Question 14

Identify the cranial nerves NOT involved in carrying taste information from the tongue into the CNS.

Accepted Answer

A)   vagus nerves (CN X) 
B)   facial nerves (CN VII) 
C)   glossopharyngeal nerves (CN IX) 
D)   hypoglossal nerves (CN XII) E) B) and C)
F) B) and D)

Question 15

Aiden was surprised to learn that his salad dressing contained glucose since it did NOT taste:

Accepted Answer

A)   salty.
B)   bitter.
C)   sour.
D)   sweet.E) A) and D)
F) A) and B)

Question 16

Damage to the hair cells of the spiral organ (organ of Corti)  can result in a loss of:

Accepted Answer

A)   hearing.
B)   olfaction.
C)   equilibrium.
D)   vision.E) B) and C)
F) All of the above

Question 17

Match the following with the parts of the ear.
  
-Vestibule

Accepted Answer

The answer of Match the following with the parts of...

Question 18

If the stapedius muscle is unable to reduce movement of the ossicles as a unit, how is hearing affected?

Accepted Answer

A)   Hearing is not affected.
B)   Sounds will be louder than normal.
C)   We hear no sound.
D)   Sounds will be softer than normal.E) B) and C)
F) A) and D)

Question 19

What nerves carry information about the special senses to the CNS?

Accepted Answer

A)   spinal nerves only
B)   both cranial and spinal nerves
C)   cranial nerves only
D)   cervical nerves onlyE) A) and B)
F) A) and D)

Question 20

An astigmatism is an irregular curvature of the cornea or lens which causes rays of light to refract unevenly.

Accepted Answer

A) True 
 B)False

Exam 15: The Special Senses

In the light -adapted state:

Correct AnswerverifiedShow Answer

The olfactory nerves (CN I) are formed by:

Correct AnswerverifiedShow Answer

Describe the function of the lacrimal gland.

Correct AnswerverifiedThe lacrimal glands release tears and mu...View AnswerShow Answer

Describe how light is refracted and focused on the retina in an emmetropic eye.

Correct AnswerverifiedThe greatest degree of refraction occurs...View AnswerShow Answer

What unit of light stimulates photoreceptor cells in the retina?

Correct AnswerverifiedShow Answer

If the stapedius muscle is unable to reduce movement of the ossicles as a unit, how is hearing affected?

Correct AnswerverifiedShow Answer

Match the following with the parts of the ear. -Vestibule

Correct AnswerverifiedShow Answer

Where are sound vibrations amplified?

Correct AnswerverifiedShow Answer

Discuss how image -processing occurs in the retina when light strikes photoreceptors.

Correct AnswerverifiedRods and cones move from a depolarized s...View AnswerShow Answer

An astigmatism is an irregular curvature of the cornea or lens which causes rays of light to refract unevenly.

Correct AnswerverifiedShow Answer

Match the following with the parts of the ear. -External auditory canal

Correct AnswerverifiedShow Answer

Damage to the hair cells of the spiral organ (organ of Corti) can result in a loss of:

Correct AnswerverifiedShow Answer

Aiden was surprised to learn that his salad dressing contained glucose since it did NOT taste:

Correct AnswerverifiedShow Answer

What secretes the aqueous humor?

Correct AnswerverifiedShow Answer

The ability of the lens to change its shape from flattened to round is known as:

Correct AnswerverifiedShow Answer

Which auditory ossicle is connected to the tympanic membrane?

Correct AnswerverifiedShow Answer

Like all other sensory pathways, the nerve impulses associated with olfaction are routed through the thalamus on the way to the primary olfactory cortex.

Correct AnswerverifiedShow Answer

Taste is detected when chemicals bind receptors on the microvilli of:

Correct AnswerverifiedShow Answer

What nerves carry information about the special senses to the CNS?

Correct AnswerverifiedShow Answer

Identify the cranial nerves NOT involved in carrying taste information from the tongue into the CNS.

Correct AnswerverifiedShow Answer

In the light ^-adapted state:

Correct Answer
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The lacrimal glands release tears and mu...
View Answer

Correct Answer
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The greatest degree of refraction occurs...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Discuss how image ^-processing occurs in the retina when light strikes photoreceptors.

Correct Answer
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Rods and cones move from a depolarized s...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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