Question 1

The conjunctiva is a layer of tissue that lines the inner surface of the eyelids and covers most of the anterior surface of the eye.

Accepted Answer

A) True 
 B)False

Question 2

Pain receptors

Accepted Answer

A)   respond to factors that can damage tissue.
B)   adapt rapidly.
C)   are among the most specialized receptors.
D)   are widely distributed in the brain.E) A) and B)
F) C) and D)

Question 3

Referred pain occurs when the brain projects the sensation back to the original source in the body from which the pain originated.

Accepted Answer

A) True 
 B)False

Question 4

Lorelei thinks of the days of the week and months of the year as particular colors. She has

Accepted Answer

A)   synesthesia.
B)   neuropathy.
C)   a deficiency of neurons in her visual cortex.
D)   too few synapses in her hypothalamus.E) A) and D)
F) A) and C)

Question 5

Impulses from the spiral organ travel on the vestibulocochlear nerve.

Accepted Answer

A) True 
 B)False

Question 6

Arnold enters a darkened movie theater on a sunny summer afternoon. It takes many minutes for his eyes to adapt to the darkness because

Accepted Answer

A)   it takes some time for the retina to rebuild its rhodopsin stores from opsin and retinal.
B)   the rods in the eye work only in bright light, and it takes time for the cones to work in weak light.
C)   the iris takes time to close after being subjected to bright light.
D)   the optic nerve fatigues in bright light, and it takes time to recover.E) A) and C)
F) B) and C)

Question 7

Light breaks down rhodopsin.

Accepted Answer

A) True 
 B)False

Question 8

The painkiller sold as Ziconotide comes from a

Accepted Answer

A)   bacterium.
B)   fungus.
C)   snail.
D)   plant.E) B) and C)
F) A) and D)

Question 9

The auditory ossicles are in the inner ear.

Accepted Answer

A) True 
 B)False

Question 10

The color receptors in the retina are most sensitive to light waves that are

Accepted Answer

A)   red, green, and blue.
B)   red, blue, and yellow.
C)   green, yellow, and purple.
D)   orange, green, and purple.E) All of the above
F) A) and B)

Question 11

Tears contain an enzyme that reduces the risk of eye infection.

Accepted Answer

A) True 
 B)False

Question 12

In hyperopia, the eyeball is too short and the focal point is in front of the retina.

Accepted Answer

A) True 
 B)False

Question 13

A curvature defect of the lens or cornea in which some parts of an image are in focus on the retina and other parts are blurred and vision is distorted is called

Accepted Answer

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

Question 14

Taste receptors are

Accepted Answer

A)   found only on the tongue.
B)   unable to divide.
C)   modified connective tissue cells.
D)   modified epithelial cells.E) B) and C)
F) B) and D)

Question 15

The taste receptor that amino acids such as glutamic acid activate is

Accepted Answer

A)   sour.
B)   salty.
C)   bitter.
D)   umami.E) None of the above
F) A) and C)

Question 16

The hearing receptors are most closely associated with the

Accepted Answer

A)   ampulla.
B)   spiral organ.
C)   utricle.
D)   saccule.E) B) and C)
F) None of the above

Question 17

Anosmia is loss of

Accepted Answer

A)   taste.
B)   smell.
C)   hearing.
D)   vision.E) None of the above
F) All of the above

Question 18

Glaucoma is usually caused by

Accepted Answer

A)   clouding of the lens.
B)   clouding of the lens capsule.
C)   accumulation of vitreous humor.
D)   accumulation of aqueous humor.E) B) and C)
F) A) and D)

Question 19

A sensation is ______, and projection of a sensation is the ______.

Accepted Answer

A)   the stimulation of a receptor cell; transmission of an impulse into the brain
B)   a feeling that results from sensory stimulation; brain causing it to seem to come from the receptors being stimulated
C)   a good feeling from a stimulation; right side of the brain projecting the sensation to the left side, or vice versa
D)   a change in membrane permeability of a receptor; transmission of an impulse into a sensory area of the brainE) C) and D)
F) A) and D)

Question 20

A cochlear implant treats

Accepted Answer

A)   a torn tympanic membrane.
B)   otosclerosis.
C)   conductive deafness.
D)   sensorineural deafness.E) A) and B)
F) A) and C)

Exam 12: Nervous System III: Senses

Referred pain occurs when the brain projects the sensation back to the original source in the body from which the pain originated.

Correct AnswerverifiedShow Answer

Glaucoma is usually caused by

Correct AnswerverifiedShow Answer

Taste receptors are

Correct AnswerverifiedShow Answer

Pain receptors

Correct AnswerverifiedShow Answer

The color receptors in the retina are most sensitive to light waves that are

Correct AnswerverifiedShow Answer

The auditory ossicles are in the inner ear.

Correct AnswerverifiedShow Answer

The hearing receptors are most closely associated with the

Correct AnswerverifiedShow Answer

Arnold enters a darkened movie theater on a sunny summer afternoon. It takes many minutes for his eyes to adapt to the darkness because

Correct AnswerverifiedShow Answer

A curvature defect of the lens or cornea in which some parts of an image are in focus on the retina and other parts are blurred and vision is distorted is called

Correct AnswerverifiedShow Answer

Tears contain an enzyme that reduces the risk of eye infection.

Correct AnswerverifiedShow Answer

The conjunctiva is a layer of tissue that lines the inner surface of the eyelids and covers most of the anterior surface of the eye.

Correct AnswerverifiedShow Answer

Lorelei thinks of the days of the week and months of the year as particular colors. She has

Correct AnswerverifiedShow Answer

A cochlear implant treats

Correct AnswerverifiedShow Answer

Impulses from the spiral organ travel on the vestibulocochlear nerve.

Correct AnswerverifiedShow Answer

A sensation is ______, and projection of a sensation is the ______.

Correct AnswerverifiedShow Answer

The painkiller sold as Ziconotide comes from a

Correct AnswerverifiedShow Answer

Light breaks down rhodopsin.

Correct AnswerverifiedShow Answer

Anosmia is loss of

Correct AnswerverifiedShow Answer

In hyperopia, the eyeball is too short and the focal point is in front of the retina.

Correct AnswerverifiedShow Answer

The taste receptor that amino acids such as glutamic acid activate is

Correct AnswerverifiedShow Answer

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A sensation is , and projection of a sensation is the .

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