Chapter 18 Flashcards

1
Q

In contrast to a sensation, a perception __________.

A

reaches the level of conscious awareness in an individual

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2
Q

If Antonio looks and sniffs hungrily at a bowl of soup and eagerly consumes a spoonful, finding it delicious but extremely hot, he has stimulated a general sense in __________.

A

the detection of the heat of the soup on his tongue

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3
Q

Sensation is defined as __________.

A

the reception of sensory information in the CNS

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4
Q

The Ruffini corpuscle __________.

A

is stimulated when collagen fibers are distorted

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5
Q

The bladder, the lungs, and the blood vessels are all monitored by what kind of receptor?

A

baroreceptors

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6
Q

What would be the effect if the cribriform plate of the ethmoid were damaged?

A

The sense of smell would be diminished because of an inability to send a neural, olfactory impulse to the brain.

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7
Q

Which of the following nerves does NOT transmit any taste information to the brain?

A

the hypoglossal nerve

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8
Q

Which of the following nerves transmits any taste information to the brain?

A

the vagus nerve, the facial nerve, the glossopharyngeal nerve

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9
Q

The auditory ossicles __________.

A

are located in the middle ear

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10
Q

The auditory tube __________.

A

forms a passageway to the nasopharynx

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11
Q

Which of the following cranial nerves travels through the region of the inner ear with the vestibulocochlear nerve?

A

facial nerve

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12
Q

The inner ear lies within which of the following bones?

A

temporal

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13
Q

Damage to the thalamus would affect which of the following?

A

the transmission of the impulse to the auditory cortex

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14
Q

What is the function of the auditory ossicles?

A

the conduction of sound

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15
Q

Which of the following is not part of the vascular layer of the eye?

A

sclera

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16
Q

Which of the following is not part of the vascular layer of the eye?

A

choroid, ciliary body, iris

17
Q

The ciliary body __________.

A

is attached to the lens via suspensory ligaments

18
Q

The muscular structure that surrounds the pupil is the __________.

A

iris

19
Q

The area of eye with the greatest concentration of cones is the __________.

A

fovea centralis

20
Q

All of the following are true of the aqueous humor EXCEPT __________.

A

it is only found in the anterior cavity of the eye

21
Q

All of the following are true of the aqueous humor

A

it is secreted by the ciliary body it is similar in composition to cerebrospinal fluid after circulation, it is reabsorbed through the scleral venous sinus

22
Q

Why do you have a blind spot in each eye?

A

The axons of the ganglion cells converge in one spot to form the optic nerve.

23
Q
A
24
Q
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25
Q
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26
Q
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27
Q
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28
Q
A