Question 1

Figure 14.5
  
Using the above-referenced diagram of peripheral nerves and nerve plexuses, identify the specified labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label M.

Accepted Answer

A)   Axillary nerve
B)   Ulnar nerve
C)   Median nerve
D)   Musculocutaneous nerve
E)   Radial nerveF) B) and D)
G) A) and B)

Question 2

Figure 14.1
  
Using the above- referenced diagrams of the superficial anatomy and orientation of the adult spinal cord (posterior view) and inferior views of cross-sections through representative segments of the spinal cord, showing the arrangement of gray and white matter, identify the specified labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label I.

Accepted Answer

A)   Cauda equina
B)   Filum terminale
C)   Lumbosacral enlargement
D)   Conus medullaris
E)   Coccygeal nerveF) C) and E)
G) B) and E)

Question 3

Figure 14.6
  
Using the above-referenced diagram of the brachial plexus, identify the specified labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label L.

Accepted Answer

A)   Musculocutaneous nerve
B)   Median nerve
C)   Radial nerve
D)   Axillary nerve
E)   Ulnar nerveF) B) and D)
G) C) and E)

Question 4

The gray matter of the spinal cord can be divided into columns, or funiculi.

Accepted Answer

A) True 
 B)False

Question 5

The ventral root of a spinal nerve contains ________.

Accepted Answer

A)   axons of sensory neurons
B)   ventral rami
C)   axons of motor neurons
D)   cell bodies of motor neurons
E)   interneuronsF) C) and D)
G) D) and E)

Question 6

Figure 14.6
  
Using the above-referenced diagram of the brachial plexus, identify the specified labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label E.

Accepted Answer

A)   Lateral cord
B)   Axillary nerve
C)   Medial cord
D)   Radial nerve
E)   Posterior cordF) A) and B)
G) A) and C)

Question 7

The first branch of each spinal nerve, which communicates with an autonomic ganglion, is myelinated and is called a ________.

Accepted Answer

A)   white ramus communicans
B)   gray commissure
C)   fascicle
D)   postganglionic fiber
E)   gray ramusF) A) and B)
G) B) and E)

Question 8

The H-shaped mass in the center of the spinal cord is dominated by ________.

Accepted Answer

A)   large numbers of myelinated and unmyelinated axons
B)   cell bodies of neurons and neuroglial cells
C)   motor axons only
D)   dura mater
E)   connective tissue and blood vesselsF) B) and E)
G) All of the above

Question 9

Figure 14.3
  
Using the above-referenced diagram of a sectional view through the spinal cord and meninges showing the peripheral distribution of the spinal nerves, identify the specified labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label W.

Accepted Answer

A)   Pia mater
B)   Dura mater
C)   Dorsal root ganglion
D)   Dorsal ramus
E)   Arachnoid materF) B) and E)
G) A) and C)

Question 10

A normal patellar reflex indicates that spinal nerves and spinal segments ________ are undamaged.

Accepted Answer

A)   C1-C3
B)   L2-L4
C)   C5-C7
D)   T1-L2
E)   L5-S2F) A) and D)
G) A) and E)

Question 11

In step 4 of a neural reflex, a(n) ________ stimulated to threshold conducts action potentials along its axons into the periphery.

Accepted Answer

A)   sensory neuron
B)   dorsal root ganglia
C)   motor neuron
D)   dorsal horn
E)   interneuronF) B) and C)
G) A) and E)

Exam 14: The Nervous System: The Spinal Cord and Spinal Nerves

The first branch of each spinal nerve, which communicates with an autonomic ganglion, is myelinated and is called a ________.

Correct Answer
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Figure 14.5 Using the above-referenced diagram of peripheral nerves and nerve plexuses, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label M.

Correct Answer
verified

In step 4 of a neural reflex, a(n) ________ stimulated to threshold conducts action potentials along its axons into the periphery.

Correct Answer
verified

The gray matter of the spinal cord can be divided into columns, or funiculi.

Correct Answer
verified

Figure 14.6 Using the above-referenced diagram of the brachial plexus, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label E.

Correct Answer
verified

A normal patellar reflex indicates that spinal nerves and spinal segments ________ are undamaged.

Correct Answer
verified

The ventral root of a spinal nerve contains ________.

Correct Answer
verified

The H-shaped mass in the center of the spinal cord is dominated by ________.

Correct Answer
verified

Figure 14.3 Using the above-referenced diagram of a sectional view through the spinal cord and meninges showing the peripheral distribution of the spinal nerves, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label W.

Correct Answer
verified

Figure 14.6 Using the above-referenced diagram of the brachial plexus, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label L.

Correct Answer
verified

Correct Answer
verified

Exam 14: The Nervous System: The Spinal Cord and Spinal Nerves

The first branch of each spinal nerve, which communicates with an autonomic ganglion, is myelinated and is called a ________.

Correct AnswerverifiedShow Answer

Figure 14.5 Using the above-referenced diagram of peripheral nerves and nerve plexuses, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label M.

Correct AnswerverifiedShow Answer

In step 4 of a neural reflex, a(n) ________ stimulated to threshold conducts action potentials along its axons into the periphery.

Correct AnswerverifiedShow Answer

The gray matter of the spinal cord can be divided into columns, or funiculi.

Correct AnswerverifiedShow Answer

Figure 14.6 Using the above-referenced diagram of the brachial plexus, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label E.

Correct AnswerverifiedShow Answer

A normal patellar reflex indicates that spinal nerves and spinal segments ________ are undamaged.

Correct AnswerverifiedShow Answer

The ventral root of a spinal nerve contains ________.

Correct AnswerverifiedShow Answer

The H-shaped mass in the center of the spinal cord is dominated by ________.

Correct AnswerverifiedShow Answer

Figure 14.3 Using the above-referenced diagram of a sectional view through the spinal cord and meninges showing the peripheral distribution of the spinal nerves, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label W.

Correct AnswerverifiedShow Answer

Figure 14.6 Using the above-referenced diagram of the brachial plexus, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label L.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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