Question 1

The vagus nerve (CN X) is the only cranial nerve pair found inferior to the diaphragm.

Accepted Answer

A) True 
 B)False

Question 2

Figure 14.2
Use the diagram above to answer the following questions.
-Of the cranial nerve pairs listed below, which nerve, along with XI and XII, relays only somatic motor impulses?

Accepted Answer

A)   I
B)   II
C)   IV
D)   V
E)   VIIIF) C) and D)
G) A) and B)

Question 3

Which cranial nerves have fibers that relay somatic motor impulses to pharyngeal muscles during swallowing?

Accepted Answer

A)   IX and X
B)   I and II
C)   VI and VII
D)   V and XIIE) A) and B)
F) None of the above

Question 4

These sensory receptors are found not only on your tongue and nose, but also internally so your body can respond to changes in blood chemistry.

Accepted Answer

The answer of These sensory receptors are found not only...

Question 5

Which cranial nerve pair is comprised of ventral rootlets from C1-C5?

Accepted Answer

A)   glossopharyngeal
B)   abducens
C)   accessory
D)   hypoglossalE) B) and C)
F) B) and D)

Question 6

A nerve plexus is formed by interconnected dorsal and ventral rami of spinal nerves.

Accepted Answer

A) True 
 B)False

Question 7

Figure 14.2
Use the diagram above to answer the following questions.
-Which letter indicates the structure where cranial nerve fibers from the retina cross to the opposite side of the brain?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) D) and E)
G) B) and E)

Question 8

Contraction rate of the diaphragm is controlled by which nerve?

Accepted Answer

A)   trochlear
B)   vagus
C)   trigeminal
D)   phrenicE) B) and C)
F) A) and B)

Question 9

Which cranial nerve pair has three major branches, the maxillary, mandibular, and ophthalmic divisions?

Accepted Answer

A)   IV
B)   V
C)   VIII
D)   XI
E)   XIIF) B) and E)
G) B) and C)

Question 10

Which of these nerves does not arise primarily from the brachial plexus?

Accepted Answer

A)   radial
B)   median
C)   ulnar
D)   phrenicE) B) and C)
F) A) and D)

Question 11

Which nerve does not arise from the anterior division of the brachial plexus?

Accepted Answer

A)   ulnar
B)   musculocutaneous
C)   median
D)   radialE) None of the above
F) A) and D)

Question 12

Figure 14.2
Use the diagram above to answer the following questions.
-Which letter indicates the cranial nerve that has three major branches?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and D)
G) A) and E)

Question 13

The tibial and common fibular nerves branch from the nerve.

Accepted Answer

A)   sciatic
B)   axillary
C)   femoral
D)   pudendalE) All of the above
F) None of the above

Question 14

The spinal root of which cranial nerve pair innervates the sternocleidomastoid and trapezius muscles?

Accepted Answer

A)   IV
B)   V
C)   VIII
D)   XI
E)   XIIF) C) and D)
G) B) and E)

Question 15

The primary nerve to muscles of the anterior thigh is the

Accepted Answer

A)   sural.
B)   obturator.
C)   femoral.
D)   sciatic.E) A) and D)
F) B) and D)

Question 16

Clinicians use these to identify the level of spinal injuries and to trace the site of adult herpes zoster infections.

Accepted Answer

The answer of Clinicians use these to identify the level...

Question 17

Which of the cranial nerves listed below is a special somatic sensory nerve?

Accepted Answer

A)   trochlear
B)   facial
C)   accessory
D)   vestibulocochlearE) B) and D)
F) All of the above

Question 18

Extrafusal muscle fibers that surround a muscle spindle and resist excessive muscle stretching are innervated by

Accepted Answer

A)   α efferent neurons.
B)   secondary sensory endings.
C)   primary sensory endings.
D)   γ efferent neurons.E) B) and C)
F) None of the above

Question 19

Figure 14.1
Use the diagram above to answer the following questions.
-Which letter indicates a bulbous corpuscle (Ruffini ending)  that slowly adapts to deep pressure stimuli?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) None of the above
G) B) and C)

Question 20

Describe the action and innervation of the six extrinsic muscles/ extraocular muscles of the eyeball.

Accepted Answer

(1) The medial rectus muscle, (2) superi...

Exam 14: The Peripheral Nervous System

The vagus nerve (CN X) is the only cranial nerve pair found inferior to the diaphragm.

Correct AnswerverifiedShow Answer

Figure 14.2 Use the diagram above to answer the following questions. -Which letter indicates the structure where cranial nerve fibers from the retina cross to the opposite side of the brain?

Correct AnswerverifiedShow Answer

Which cranial nerve pair is comprised of ventral rootlets from C1-C5?

Correct AnswerverifiedShow Answer

Figure 14.2 Use the diagram above to answer the following questions. -Which letter indicates the cranial nerve that has three major branches?

Correct AnswerverifiedShow Answer

Describe the action and innervation of the six extrinsic muscles/ extraocular muscles of the eyeball.

Correct Answerverified(1) The medial rectus muscle, (2) superi...View AnswerShow Answer

Which of the cranial nerves listed below is a special somatic sensory nerve?

Correct AnswerverifiedShow Answer

Clinicians use these to identify the level of spinal injuries and to trace the site of adult herpes zoster infections.

Correct AnswerverifiedShow Answer

The spinal root of which cranial nerve pair innervates the sternocleidomastoid and trapezius muscles?

Correct AnswerverifiedShow Answer

A nerve plexus is formed by interconnected dorsal and ventral rami of spinal nerves.

Correct AnswerverifiedShow Answer

The primary nerve to muscles of the anterior thigh is the

Correct AnswerverifiedShow Answer

Contraction rate of the diaphragm is controlled by which nerve?

Correct AnswerverifiedShow Answer

Which nerve does not arise from the anterior division of the brachial plexus?

Correct AnswerverifiedShow Answer

Which cranial nerves have fibers that relay somatic motor impulses to pharyngeal muscles during swallowing?

Correct AnswerverifiedShow Answer

Figure 14.1 Use the diagram above to answer the following questions. -Which letter indicates a bulbous corpuscle (Ruffini ending) that slowly adapts to deep pressure stimuli?

Correct AnswerverifiedShow Answer

Which cranial nerve pair has three major branches, the maxillary, mandibular, and ophthalmic divisions?

Correct AnswerverifiedShow Answer

These sensory receptors are found not only on your tongue and nose, but also internally so your body can respond to changes in blood chemistry.

Correct AnswerverifiedShow Answer

The tibial and common fibular nerves branch from the nerve.

Correct AnswerverifiedShow Answer

Figure 14.2 Use the diagram above to answer the following questions. -Of the cranial nerve pairs listed below, which nerve, along with XI and XII, relays only somatic motor impulses?

Correct AnswerverifiedShow Answer

Which of these nerves does not arise primarily from the brachial plexus?

Correct AnswerverifiedShow Answer

Extrafusal muscle fibers that surround a muscle spindle and resist excessive muscle stretching are innervated by

Correct AnswerverifiedShow Answer

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(1) The medial rectus muscle, (2) superi...
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