Question 1

Which of the following is the correct description of the pia mater?

Accepted Answer

A)  The layer of the meninges that is thin and weblike
B)  The innermost layer of the meninges
C)  The layer of the meninges that is much thicker and tougher than the others
D)  The outermost layer of the meninges
E)  The middle layer of the meningesF) All of the above
G) C) and E)

Question 2

Which of the following is NOT true of the epidural space?

Accepted Answer

A)  It lies between the vertebrae and the dura mater.
B)  It contains connective tissue and blood vessels.
C)  It contains cerebrospinal fluid.
D)  It is the site for epidural injections of anesthetics.
E)  All of these are true of the epidural space.F) D) and E)
G) B) and D)

Question 3

The numbers of spinal nerve pairs in the cervical, thoracic, lumbar, sacral and coccygeal regions are ________ respectively.

Accepted Answer

A)  8, 12, 5, 5, and 4
B)  7, 12, 5, 5, and 1
C)  7, 10, 5, 4, and 1
D)  8, 12, 5, 5, and 1
E)  7, 12, 5, 5, and 4F) A) and B)
G) A) and C)

Question 4

Which of the following nerves are the components of the large sciatic nerve?

Accepted Answer

A)  Superior and inferior gluteal nerves
B)  Pudendal and femoral nerves
C)  Obturator and genitofemoral nerves
D)  Obturator and femoral nerves
E)  Tibial and common fibular nervesF) A) and C)
G) B) and E) E

Question 5

The anterior ramus of each spinal nerve sends out communicating rami that connect to

Accepted Answer

A)  the brain.
B)  the meninges.
C)  a sympathetic trunk ganglion.
D)  the vertebrae.
E)  the skin and muscles of the back.F) D) and E)
G) A) and E)

Question 6

Which of the following nerves is part of the cervical plexus?

Accepted Answer

A)  Musculocutaneous nerve
B)  Median nerve
C)  Femoral nerve
D)  Phrenic nerve
E)  Pudendal nerveF) A) and B)
G) A) and C)

Question 7

On the dermatome map, the sacral nerves generally innervate the genital, buttock, anal, and posterior lower limb regions.

Accepted Answer

A) True 
 B)False

Question 8

All of the following are major spinal nerve plexuses except the ________ plexus.

Accepted Answer

A)  lumbar
B)  brachial
C)  sacral
D)  cervical
E)  thoracicF) A) and D)
G) C) and D)

Question 9

The anterior roots of the spinal nerves contain motor neurons.

Accepted Answer

A) True 
 B)False

Question 10

The meninges surround and protect the entire CNS and PNS.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is true of the subarachnoid space?

Accepted Answer

A)  It contains cerebrospinal fluid, which cushions and nourishes the neurons of the spinal cord.
B)  It lies between the dura mater and the arachnoid mater.
C)  It is attached to the outer edge of the spinal cord.
D)  It contains blood, which brings oxygen to the spinal cord neurons.
E)  None of these is true of the subarachnoid space.F) D) and E)
G) A) and E) A

Question 12

The filum terminale anchors the inferior end of the spinal cord to the

Accepted Answer

A)  L1 vertebra.
B)  sacrum.
C)  L2 vertebra.
D)  S5 vertebra.
E)  coccyx.F) C) and D)
G) A) and D)

Question 13

Which of the following is NOT true of the white matter of the spinal cord?

Accepted Answer

A)  The white matter surrounds the gray matter in the spinal cord.
B)  The white matter is located in columns.
C)  The ascending tracts of the white matter contain motor neurons.
D)  Some of the white matter tracts decussate to the opposite side, either in the spinal cord or in the brainstem.
E)  All of these are true of the white matter of the spinal cord.F) A) and B)
G) B) and D)

Question 14

The obturator and genitofemoral nerves are part of the ________ plexus.

Accepted Answer

A)  lumbar
B)  thoracic
C)  cervical
D)  brachial
E)  sacralF) None of the above
G) C) and E)

Question 15

Spinal nerves are called mixed nerves because they contain both sensory and motor nerve fibers.

Accepted Answer

A) True 
 B)False  True

Question 16

The lumbar plexus is considered to be the most complex of the nerve plexuses.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT true of the brachial plexus?

Accepted Answer

A)  Its nerves control the shoulder and upper limb muscles.
B)  It gives rise to the musculocutaneous, axillary, radial, median and ulnar nerves.
C)  It is mainly derived from spinal nerves C5-C8, and T1.
D)  It contains the phrenic nerve and  the ansa cervicalis.
E)  All of these are true of the brachial plexus.F) None of the above
G) B) and E)

Question 18

What is the function of the cervical enlargement of the spinal cord?

Accepted Answer

A)  It contains extra gray matter to provide the necessary innervation to the upper limbs.
B)  It provides extra innervation to the heart and lungs.
C)  It contains extra gray matter to provide the necessary innervation to the lower limbs.
D)  It provides a large amount of neurons to control the postural muscles of the back.
E)  It contains many neurons to provide accurate sensation to all areas of the trunk.F) A) and E)
G) C) and D)

Exam 28: Meninges, Spinal Cord, and Spinal Nerves

Which of the following is the correct description of the pia mater?

Correct Answer
verified

Which of the following is NOT true of the epidural space?

Correct Answer
verified

The numbers of spinal nerve pairs in the cervical, thoracic, lumbar, sacral and coccygeal regions are ________ respectively.

Correct Answer
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Which of the following nerves are the components of the large sciatic nerve?

Correct Answer
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E

The anterior ramus of each spinal nerve sends out communicating rami that connect to

Correct Answer
verified

Which of the following nerves is part of the cervical plexus?

Correct Answer
verified

On the dermatome map, the sacral nerves generally innervate the genital, buttock, anal, and posterior lower limb regions.

Correct Answer
verified

All of the following are major spinal nerve plexuses except the ________ plexus.

Correct Answer
verified

The anterior roots of the spinal nerves contain motor neurons.

Correct Answer
verified

The meninges surround and protect the entire CNS and PNS.

Correct Answer
verified

Which of the following is true of the subarachnoid space?

Correct Answer
verified
A

The filum terminale anchors the inferior end of the spinal cord to the

Correct Answer
verified

Which of the following is NOT true of the white matter of the spinal cord?

Correct Answer
verified

The obturator and genitofemoral nerves are part of the ________ plexus.

Correct Answer
verified

Spinal nerves are called mixed nerves because they contain both sensory and motor nerve fibers.

Correct Answer
verified
True

The lumbar plexus is considered to be the most complex of the nerve plexuses.

Correct Answer
verified

Which of the following is NOT true of the brachial plexus?

Correct Answer
verified

What is the function of the cervical enlargement of the spinal cord?

Correct Answer
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Exam 28: Meninges, Spinal Cord, and Spinal Nerves

Which of the following is the correct description of the pia mater?

Correct AnswerverifiedShow Answer

Which of the following is NOT true of the epidural space?

Correct AnswerverifiedShow Answer

The numbers of spinal nerve pairs in the cervical, thoracic, lumbar, sacral and coccygeal regions are ________ respectively.

Correct AnswerverifiedShow Answer

Which of the following nerves are the components of the large sciatic nerve?

Correct AnswerverifiedE

The anterior ramus of each spinal nerve sends out communicating rami that connect to

Correct AnswerverifiedShow Answer

Which of the following nerves is part of the cervical plexus?

Correct AnswerverifiedShow Answer

On the dermatome map, the sacral nerves generally innervate the genital, buttock, anal, and posterior lower limb regions.

Correct AnswerverifiedShow Answer

All of the following are major spinal nerve plexuses except the ________ plexus.

Correct AnswerverifiedShow Answer

The anterior roots of the spinal nerves contain motor neurons.

Correct AnswerverifiedShow Answer

The meninges surround and protect the entire CNS and PNS.

Correct AnswerverifiedShow Answer

Which of the following is true of the subarachnoid space?

Correct AnswerverifiedA

The filum terminale anchors the inferior end of the spinal cord to the

Correct AnswerverifiedShow Answer

Which of the following is NOT true of the white matter of the spinal cord?

Correct AnswerverifiedShow Answer

The obturator and genitofemoral nerves are part of the ________ plexus.

Correct AnswerverifiedShow Answer

Spinal nerves are called mixed nerves because they contain both sensory and motor nerve fibers.

Correct AnswerverifiedTrue

The lumbar plexus is considered to be the most complex of the nerve plexuses.

Correct AnswerverifiedShow Answer

Which of the following is NOT true of the brachial plexus?

Correct AnswerverifiedShow Answer

What is the function of the cervical enlargement of the spinal cord?

Correct AnswerverifiedShow Answer

Correct Answer
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E

Correct Answer
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A

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True

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