Question 1

The cranial nerve that has three major branches is the

Accepted Answer

A)   abducens.
B)   facial.
C)   vagus.
D)   trigeminal.
E)   glossopharyngeal. D

Question 2

The putamen and globus pallidus are frequently considered to be subdivisions of the

Accepted Answer

A)   caudate nucleus.
B)   claustrum.
C)   lentiform nucleus.
D)   corpus striatum.
E)   limbic system.

Question 3

The pons contains

Accepted Answer

A)   sensory and motor nuclei for four cranial nerves.
B)   nuclei concerned with the control of respiration.
C)   tracts that link the cerebellum with the brainstem.
D)   all of the above
E)   none of the above

Question 4

The ________ is located at the tip of the tail of the caudate nucleus.

Accepted Answer

A)   amygdaloid body
B)   claustrum
C)   putamen
D)   globus pallidus
E)   corpus striatum

Question 5

The white matter of the cerebellum forms the

Accepted Answer

A)   flocculonodular lobe.
B)   arbor vitae.
C)   folia.
D)   vermis.
E)   pyramid.

Question 6

A fast-adapting tactile receptor that monitors movements across the body surface is a

Accepted Answer

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

Question 7

Our perception of our environment is imperfect for all of the following reasons, except that

Accepted Answer

A)   humans lack receptors for every possible stimulus.
B)   receptors respond in an all-or-nothing manner.
C)   not all sensations lead to a perception.
D)   abnormal receptor function can produce sensations that have no basis in fact.
E)   our receptors have limited sensitivity.

Question 8

Figure 13-4 The Corticospinal Pathway
Use Figure 13-4 to answer the following questions:
-Identify the structure labeled "1" in this neural pathway.

Accepted Answer

A)   primary sensory cortex
B)   primary motor cortex
C)   thalamus
D)   autonomic motor center
E)   basal nuclei

Question 9

The ________, a narrow stalk, connects the hypothalamus to the pituitary gland.

Accepted Answer

The answer of The ________, a narrow stalk, connects the...

Question 10

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

Accepted Answer

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

Question 11

The third and fourth ventricles are linked by a slender canal designated as the

Accepted Answer

A)   central canal.
B)   tentorium cerebelli.
C)   aqueduct of midbrain.
D)   interventricular foramina.
E)   pontine canal.

Question 12

Which of the following is not one of the basal nuclei?

Accepted Answer

A)   caudate nucleus
B)   globus pallidus
C)   putamen
D)   hippocampus
E)   amygdaloid body

Question 13

Figure 13-3 Spinothalamic Tracts
Use Figure 13-3 to answer the following questions:
-Which structure conducts action potentials directly from a sensory receptor?

Accepted Answer

A)   1
B)   2
C)   3
D)   5
E)   7

Question 14

Absorption at the arachnoid granulations returns CSF to the

Accepted Answer

A)   third ventricle.
B)   arterial circulation.
C)   venous circulation.
D)   fourth ventricle.
E)   central canal.

Question 15

The adult human brain contains almost ________ of the body's neural tissue.

Accepted Answer

A)   15 percent
B)   25 percent
C)   68 percent
D)   97 percent
E)   none of the above

Question 16

Olfactory receptors send axons through the cribriform plate and synapse on neurons in the

Accepted Answer

A)   medulla.
B)   thalamus.
C)   cerebral cortex.
D)   olfactory bulb.
E)   olfactory tract. D

Question 17

After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the

Accepted Answer

A)   prefrontal cortex.
B)   postcentral gyrus.
C)   cerebral nuclei.
D)   limbic system.
E)   occipital lobe.

Question 18

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

Accepted Answer

The posterior spinocerebellar tracts and posterior columns might be affected. Difficulty with proprioception and sensations of fine touch, pressure, and vibration may be altered.

Question 19

The cerebellum adjusts motor activity in response to all of the following, except

Accepted Answer

A)   touch sensations.
B)   visual information.
C)   equilibrium-related sensations.
D)   input from the motor cortex.
E)   input from proprioceptors.

Question 20

Identify the type of information that travels along the structure labeled "2."

Accepted Answer

A)   motor commands to skeletal muscles
B)   proprioception to the cerebral cortex
C)   fine touch to the cerebral cortex
D)   pain and crude touch sensations
E)   visceral motor commands to smooth muscle

Exam 13: The Brain and Cranial Nerves

The cranial nerve that has three major branches is the

Correct AnswerverifiedD

The putamen and globus pallidus are frequently considered to be subdivisions of the

Correct AnswerverifiedShow Answer

The pons contains

Correct AnswerverifiedShow Answer

The ________ is located at the tip of the tail of the caudate nucleus.

Correct AnswerverifiedShow Answer

The white matter of the cerebellum forms the

Correct AnswerverifiedShow Answer

A fast-adapting tactile receptor that monitors movements across the body surface is a

Correct AnswerverifiedShow Answer

Our perception of our environment is imperfect for all of the following reasons, except that

Correct AnswerverifiedShow Answer

Figure 13-4 The Corticospinal Pathway Use Figure 13-4 to answer the following questions: -Identify the structure labeled "1" in this neural pathway.

Correct AnswerverifiedShow Answer

The ________, a narrow stalk, connects the hypothalamus to the pituitary gland.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The third and fourth ventricles are linked by a slender canal designated as the

Correct AnswerverifiedShow Answer

Which of the following is not one of the basal nuclei?

Correct AnswerverifiedShow Answer

Figure 13-3 Spinothalamic Tracts Use Figure 13-3 to answer the following questions: -Which structure conducts action potentials directly from a sensory receptor?

Correct AnswerverifiedShow Answer

Absorption at the arachnoid granulations returns CSF to the

Correct AnswerverifiedShow Answer

The adult human brain contains almost ________ of the body's neural tissue.

Correct AnswerverifiedShow Answer

Olfactory receptors send axons through the cribriform plate and synapse on neurons in the

Correct AnswerverifiedD

After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the

Correct AnswerverifiedShow Answer

While playing lacrosse, Frank took a blow to the back of his neck. This caused swelling of the posterior spinal cord at C7, T 1. What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

Correct AnswerverifiedThe posterior spinocerebellar tracts and posterior columns might be affected. Difficulty with proprioception and sensations of fine touch, pressure, and vibration may be altered.

The cerebellum adjusts motor activity in response to all of the following, except

Correct AnswerverifiedShow Answer

Identify the type of information that travels along the structure labeled "2."

Correct AnswerverifiedShow Answer

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D

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The posterior spinocerebellar tracts and posterior columns might be affected. Difficulty with proprioception and sensations of fine touch, pressure, and vibration may be altered.

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