Question 1

The information that is passed from a sensory receptor to the central nervous system is called an) ________.

Accepted Answer

The answer of The information that is passed from a...

Question 2

Which of the following can contribute to receptor specificity?

Accepted Answer

A)   accessory cells that function with the receptor
B)   characteristics of the receptor cell membrane
C)   the structure of the receptor cell
D)   accessory structures and tissues that shield the receptors from other stimuli
E)   any of the above

Question 3

Parasympathetic blocking agents can be useful in treating

Accepted Answer

A)   urinary incontinence.
B)   high blood pressure.
C)   heart failure.
D)   all of the above
E)   A and B only

Question 4

Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-Identify the neuron labeled "1."

Accepted Answer

A)   first- order neuron
B)   ganglionic neuron
C)   lower motor neuron
D)   second- order neuron
E)   upper motor neuron

Question 5

A highly sensitive tactile receptor composed of dendritic processes of a single myelinated fiber that makes contact with specialized cells of the stratum germinativum is a

Accepted Answer

A)   Ruffini corpuscle.
B)   lamellated corpuscle.
C)   root hair plexus.
D)   tactile Meissner)  corpuscle.
E)   tactile Merkel)  disc.

Question 6

Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to

Accepted Answer

A)   receptor potentials.
B)   receptor specificity.
C)   the fact that they are interoceptors.
D)   accessory cells.
E)   both B and C

Question 7

Each of the following is an ascending tract in the spinal cord, except the

Accepted Answer

A)   fasciculus cuneatus.
B)   posterior spinocerebellar.
C)   anterior spinothalamic.
D)   fasciculus gracilis.
E)   reticulospinal tract.

Question 8

Sensations of burning or aching pain

Accepted Answer

A)   are carried by type A fibers.
B)   are well localized.
C)   reach the CNS quickly.
D)   are fast adapting.
E)   cause a generalized activation of the reticular formation and the thalamus.

Question 9

The conscious state is maintained by the

Accepted Answer

A)   limbic system.
B)   general interpretive area.
C)   nucleus gracilis.
D)   prefrontal lobes.
E)   reticular activating system.

Question 10

Conversion of a short- term memory to a long- term memory is called

Accepted Answer

A)   memory conversion.
B)   memory programming.
C)   anterograde amnesia.
D)   memory engraving.
E)   memory consolidation.

Question 11

While playing lacrosse, Frank took a blow to the back of his neck. This caused swelling of the posterior spinal cord at C7, T1. What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

Accepted Answer

The posterior spinocerebellar ...

Question 12

A fast- adapting mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a

Accepted Answer

A)   tactile Merkel)  disc.
B)   free nerve ending.
C)   Ruffini corpuscle.
D)   root hair plexus.
E)   tactile Meissner)  corpuscle.

Question 13

The statement "it initiates contraction of urinary bladder smooth muscle" is

Accepted Answer

A)   true for both the parasympathetic and sympathetic nervous systems.
B)   true only for the somatic nervous system.
C)   true only for the parasympathetic nervous system.
D)   not true for either the parasympathetic or sympathetic nervous systems.
E)   true only for the sympathetic nervous system.

Question 14

A receptor that contains many mechanically gated ion channels would function best as a

Accepted Answer

A)   nociceptor.
B)   light receptor.
C)   chemoreceptor.
D)   tactile receptor.
E)   thermoreceptor.

Question 15

Based on the motor homunculus, which of the following body regions has the largest motor units?

Accepted Answer

A)   hands
B)   back
C)   tongue
D)   face
E)   larynx

Question 16

Drugs that stimulate alpha receptors, causing constriction of peripheral vessels, are

Accepted Answer

A)   autonomic blocking agents.
B)   parasympathetic blocking agents.
C)   parasympathomimetic.
D)   sympathetic blocking agents.
E)   sympathomimetic.

Question 17

Autonomic efferents

Accepted Answer

A)   conduct impulses to smooth and cardiac muscles and glands.
B)   cause general relaxation.
C)   conduct impulses to skeletal muscles.
D)   cause general excitation.
E)   conduct impulses from sensory receptors.

Question 18

Parasympathetic stimulation

Accepted Answer

A)   increases gastric motility.
B)   causes blood vessels in the skin to dilate.
C)   causes sweat glands to secrete.
D)   causes the pupils to dilate.
E)   increases heart rate.

Question 19

In order for a sensation to become a perception,

Accepted Answer

A)   it must received by the somatosensory cortex.
B)   the individual must vocalize about it.
C)   it must received by the pulvinar nucleus of the thalamus.
D)   the other senses must be silent.
E)   it must arrive over fast- conducting nerve fibers.

Question 20

What loss would result from cutting through the medial lemniscus on the right side?

Accepted Answer

A)   complete hemiplegia paralysis)  on the left side of the body
B)   loss of pain sensation on the left side of the body
C)   loss of fine touch sensation on the right side of the body
D)   loss of pain sensation on the right side of the body
E)   loss of fine touch sensation on the left side of the body

Exam 14: Neural Integration

The conscious state is maintained by the

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Parasympathetic stimulation

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Which of the following can contribute to receptor specificity?

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What loss would result from cutting through the medial lemniscus on the right side?

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Autonomic efferents

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In order for a sensation to become a perception,

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Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to

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A highly sensitive tactile receptor composed of dendritic processes of a single myelinated fiber that makes contact with specialized cells of the stratum germinativum is a

Correct AnswerverifiedShow Answer

Based on the motor homunculus, which of the following body regions has the largest motor units?

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Drugs that stimulate alpha receptors, causing constriction of peripheral vessels, are

Correct AnswerverifiedShow Answer

Each of the following is an ascending tract in the spinal cord, except the

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The statement "it initiates contraction of urinary bladder smooth muscle" is

Correct AnswerverifiedShow Answer

The information that is passed from a sensory receptor to the central nervous system is called an) ________.

Correct AnswerverifiedShow Answer

A fast- adapting mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a

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Sensations of burning or aching pain

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Figure 14- 1 Spinothalamic Tracts Use Figure 14- 1 to answer the following questions: -Identify the neuron labeled "1."

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Parasympathetic blocking agents can be useful in treating

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While playing lacrosse, Frank took a blow to the back of his neck. This caused swelling of the posterior spinal cord at C7, T1. What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

Correct AnswerverifiedThe posterior spinocerebellar ...View AnswerShow Answer

Conversion of a short- term memory to a long- term memory is called

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A receptor that contains many mechanically gated ion channels would function best as a

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The posterior spinocerebellar ...
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