Question 1

Sound vibrations are conducted from the malleus to the stapes to the incus.

Accepted Answer

A) True 
 B)False

Question 2

You try eggplants for the first time and notice a very bitter taste. Which of the following are you most likely tasting in the eggplant?

Accepted Answer

A) Alkaloids 
B) Acids 
C) Inorganic salts 
D) Carbohydrates 
A) Alkaloids 
B) Acids 
C) Inorganic salts 
D) Carbohydrates

Question 3

Rods are more sensitive to light than cones, but cones are important for color vision.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not a primary taste sensation?

Accepted Answer

A) Sweet 
B) Salty 
C) Pungent 
D) Sour 
A) Sweet 
B) Salty 
C) Pungent 
D) Sour

Question 5

If you were a physician evaluating a young person who has conductive deafness, which of the following would you consider in your differential diagnosis?

Accepted Answer

A) A torn tympanic membrane 
B) A brain tumor 
C) Damage to the auditory nerve 
D) Use of the antibiotic drug streptomycin 
A) A torn tympanic membrane 
B) A brain tumor 
C) Damage to the auditory nerve 
D) Use of the antibiotic drug streptomycin

Question 6

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain.

Accepted Answer

A) True 
 B)False

Question 7

Choose the statement that does NOT correctly describe the function of the corresponding sensory receptor.

Accepted Answer

A) You feel searing pain as nociceptors in your skin respond to cell lysis and death from a spider bite. 
B) An ice cube feels very cold as thermoreceptors in your fingers detect its temperature. 
C) Your car appears blue as proprioceptors in your eyes detect light of 420nm wavelength reflecting from it. 
D) Your heart rate increases as baroreceptors in your aorta detect low blood pressure. 
A) You feel searing pain as nociceptors in your skin respond to cell lysis and death from a spider bite. 
B) An ice cube feels very cold as thermoreceptors in your fingers detect its temperature. 
C) Your car appears blue as proprioceptors in your eyes detect light of 420nm wavelength reflecting from it. 
D) Your heart rate increases as baroreceptors in your aorta detect low blood pressure.

Question 8

The ________ is the ossicle that transmits vibrations to the inner ear through the oval window.

Accepted Answer

The answer of The ________ is the ossicle that transmits...

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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. 
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.

Question 11

The brain interprets input from sensory receptors as

Accepted Answer

A) reception. 
B) sensation. 
C) perception. 
D) contraception. 
A) reception. 
B) sensation. 
C) perception. 
D) contraception.

Question 12

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. 
A) red, green, and blue. 
B) red, blue, and yellow. 
C) green, yellow, and purple. 
D) orange, green, and purple.

Question 13

Light breaks down rhodopsin.

Accepted Answer

A) True 
 B)False

Question 14

Sensory receptors include

Accepted Answer

A) baroreceptors. 
B) motor neurons. 
C) interneurons. 
D) Schwann cells. 
A) baroreceptors. 
B) motor neurons. 
C) interneurons. 
D) Schwann cells.

Question 15

Benign paroxysmal positional vertigo is a condition where debris enters the semicircular canal of the ear and moves the crista ampullaris, resulting in a lingering feeling of spinning or dizzying movement. The sensation occurs after slight movements of the head and persists after actual movement has stopped. The disorder is affecting ________ equilibrium.

Accepted Answer

The answer of Benign paroxysmal positional vertigo is a condition...

Question 16

Jenny slurps up a plate of beef lo mein at a Chinese restaurant. "That tastes great, but I can't quite describe it." What type of taste sensation is she experiencing?

Accepted Answer

A) Paprika 
B) Umami 
C) Starch 
D) Pepper 
A) Paprika 
B) Umami 
C) Starch 
D) Pepper

Question 17

The stapes transmits vibrations to the round window of the inner ear.

Accepted Answer

A) True 
 B)False

Question 18

As a result of the tympanic reflex,

Accepted Answer

A) the bridge of auditory ossicles becomes less rigid. 
B) vibrations are transmitted more effectively to the inner ear. 
C) the malleus is pulled toward the eardrum. 
D) vibrations are transmitted less effectively to the inner ear. 
A) the bridge of auditory ossicles becomes less rigid. 
B) vibrations are transmitted more effectively to the inner ear. 
C) the malleus is pulled toward the eardrum. 
D) vibrations are transmitted less effectively to the inner ear.

Question 19

Fibers of the spinothalamic tract transmit pain and temperature information to the

Accepted Answer

A) hypothalamus. 
B) cerebellum. 
C) brainstem. 
D) thalamus. 
A) hypothalamus. 
B) cerebellum. 
C) brainstem. 
D) thalamus.

Question 20

Pain impulses are first processed in the

Accepted Answer

A) gray matter of the posterior horn. 
B) motor cortex of the cerebrum. 
C) dorsal root ganglion. 
D) cerebral cortex. 
A) gray matter of the posterior horn. 
B) motor cortex of the cerebrum. 
C) dorsal root ganglion. 
D) cerebral cortex.

Exam 12: Nervous System III: Senses

Sound vibrations are conducted from the malleus to the stapes to the incus.

You try eggplants for the first time and notice a very bitter taste. Which of the following are you most likely tasting in the eggplant?

Rods are more sensitive to light than cones, but cones are important for color vision.

Which of the following is not a primary taste sensation?

If you were a physician evaluating a young person who has conductive deafness, which of the following would you consider in your differential diagnosis?

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain.

Choose the statement that does NOT correctly describe the function of the corresponding sensory receptor.

The ________ is the ossicle that transmits vibrations to the inner ear through the oval window.

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

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

The brain interprets input from sensory receptors as

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

Light breaks down rhodopsin.

Sensory receptors include

Jenny slurps up a plate of beef lo mein at a Chinese restaurant. "That tastes great, but I can't quite describe it." What type of taste sensation is she experiencing?

The stapes transmits vibrations to the round window of the inner ear.

As a result of the tympanic reflex,

Fibers of the spinothalamic tract transmit pain and temperature information to the

Pain impulses are first processed in the

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