Question 1

Cerebrospinal fluid flows within the

Accepted Answer

A)  filum terminale.
B)  subarachnoid space.
C)  dura mater.
D)  pia mater.
E)  arachnoid mater.F) C) and D)
G) B) and D)

Question 2

Figure 13-2 Spinal Nerves
Use Figure 13-2 to answer the following questions:
-Identify the structure labeled "8."

Accepted Answer

A)  peripheral nerve
B)  dorsal ramus
C)  spinal nerve
D)  ventral root
E)  dorsal rootF) D) and E)
G) B) and E)

Question 3

The subdural space lies between

Accepted Answer

A)  the arachnoid mater and the pia mater.
B)  the pia mater and the dura mater.
C)  the dura mater and the arachnoid mater.
D)  the pia mater and the subarachnoid space.
E)  the endosteum and the periosteum.F) C) and E)
G) B) and C)

Question 4

Figure 13-2 Spinal Nerves
Use Figure 13-2 to answer the following questions:
-Identify the structure labeled "3."

Accepted Answer

A)  spinal nerve
B)  gray ramus
C)  white ramus
D)  dorsal ramus
E)  ventral ramusF) A) and B)
G) A) and D)

Question 5

A(n) ________ reflex has at least one interneuron placed between the sensory and motor neurons.

Accepted Answer

A)  monosynaptic
B)  ipsilateral
C)  commensual
D)  involuntary
E)  polysynapticF) A) and E)
G) B) and D)

Question 6

Mary is in an automobile accident and suffers a spinal cord injury.She has lost feeling in her lower body.Her doctor tells her that swelling is compressing a portion of her spinal cord.Which part of her cord is likely to be compressed?

Accepted Answer

A)  the anterior gray horns
B)  the anterior gray commissures
C)  ascending tracts
D)  descending tracts
E)  the anterior white commissuresF) A) and C)
G) All of the above

Question 7

Blood vessels that supply the spinal cord run along the surface of the

Accepted Answer

A)  pia mater.
B)  dura mater.
C)  epidural space.
D)  subdural space.
E)  subarachnoid space.F) A) and D)
G) B) and C)

Question 8

Each of the following nerves originates in the lumbar plexus except the ________ nerve.

Accepted Answer

A)  saphenous
B)  sciatic
C)  femoral
D)  obturator
E)  genitofemoralF) B) and C)
G) A) and C)

Question 9

In which plexus does the ulnar nerve arise?

Accepted Answer

A)  cranial
B)  cervical
C)  brachial
D)  lumbar
E)  sacralF) A) and D)
G) B) and D)

Question 10

In the condition ________,a virus infects dorsal root ganglia,causing a painful rash whose distribution corresponds to that of the affected sensory nerves as seen in their dermatomes.

Accepted Answer

A)  myasthenia gravis
B)  neuronal damage
C)  shingles
D)  chickenpox
E)  Hodgkin's diseaseF) B) and D)
G) None of the above

Question 11

The ventral rami form four major plexuses,including all of the following except the ________ plexus.

Accepted Answer

A)  brachial
B)  lumbar
C)  sacral
D)  nuchal
E)  cervicalF) A) and B)
G) B) and E)

Question 12

The tough,fibrous,outermost covering of the spinal cord is the

Accepted Answer

A)  arachnoid.
B)  pia mater.
C)  dura mater.
D)  epidural block.
E)  periosteum.F) A) and B)
G) A) and E)

Question 13

After age ________,the vertebral column continues to elongate,but the spinal cord itself does not.

Accepted Answer

A)  8
B)  12
C)  18
D)  4
E)  1F) B) and D)
G) A) and C)

Question 14

The layer of connective tissue that surrounds individual axons within a peripheral nerve is termed the

Accepted Answer

A)  endoneurium.
B)  perineurium.
C)  aponeurium.
D)  metaneurium.
E)  subneurium.F) B) and C)
G) A) and C)

Question 15

Figure 13-2 Spinal Nerves
Use Figure 13-2 to answer the following questions:
-Which branch carries motor neurons to structures on the back of the body trunk?

Accepted Answer

A)  1
B)  2
C)  5
D)  7
E)  11F) B) and D)
G) A) and E)

Question 16

In which structure are sensory cell bodies located?

Accepted Answer

A)  4
B)  6
C)  5
D)  10
E)  12F) B) and E)
G) B) and D)

Question 17

The layer of the meninges in direct contact with the spinal cord is the

Accepted Answer

A)  dura mater.
B)  subarachnoid space.
C)  arachnoid.
D)  pia mater.
E)  choroid plexus.F) C) and E)
G) B) and D)

Question 18

Reflexes that activate muscles on the opposite side of the body as the stimulus are called

Accepted Answer

A)  contralateral.
B)  ipsilateral.
C)  commensual.
D)  involuntary.
E)  parasympathetic.F) A) and B)
G) None of the above

Question 19

Figure 13-1 The Spinal Cord
Use Figure 13-1 to answer the following questions:
-Where do somatic motor neurons reside?

Accepted Answer

A)  10
B)  12
C)  13
D)  14
E)  15F) A) and B)
G) A) and E)

Question 20

Spinal nerves are

Accepted Answer

A)  purely sensory.
B)  purely motor.
C)  both sensory and motor.
D)  interneuronal.
E)  involuntary.F) A) and B)
G) None of the above

Exam 13: The Spinal Cord, spinal Nerves, and Spinal Reflexes

The ventral rami form four major plexuses,including all of the following except the ________ plexus.

Correct AnswerverifiedShow Answer

A(n) ________ reflex has at least one interneuron placed between the sensory and motor neurons.

Correct AnswerverifiedShow Answer

Blood vessels that supply the spinal cord run along the surface of the

Correct AnswerverifiedShow Answer

In which plexus does the ulnar nerve arise?

Correct AnswerverifiedShow Answer

The subdural space lies between

Correct AnswerverifiedShow Answer

Each of the following nerves originates in the lumbar plexus except the ________ nerve.

Correct AnswerverifiedShow Answer

Spinal nerves are

Correct AnswerverifiedShow Answer

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "8."

Correct AnswerverifiedShow Answer

The layer of the meninges in direct contact with the spinal cord is the

Correct AnswerverifiedShow Answer

In the condition ________,a virus infects dorsal root ganglia,causing a painful rash whose distribution corresponds to that of the affected sensory nerves as seen in their dermatomes.

Correct AnswerverifiedShow Answer

Cerebrospinal fluid flows within the

Correct AnswerverifiedShow Answer

Mary is in an automobile accident and suffers a spinal cord injury.She has lost feeling in her lower body.Her doctor tells her that swelling is compressing a portion of her spinal cord.Which part of her cord is likely to be compressed?

Correct AnswerverifiedShow Answer

In which structure are sensory cell bodies located?

Correct AnswerverifiedShow Answer

Figure 13-1 The Spinal Cord Use Figure 13-1 to answer the following questions: -Where do somatic motor neurons reside?

Correct AnswerverifiedShow Answer

The layer of connective tissue that surrounds individual axons within a peripheral nerve is termed the

Correct AnswerverifiedShow Answer

After age ________,the vertebral column continues to elongate,but the spinal cord itself does not.

Correct AnswerverifiedShow Answer

Reflexes that activate muscles on the opposite side of the body as the stimulus are called

Correct AnswerverifiedShow Answer

The tough,fibrous,outermost covering of the spinal cord is the

Correct AnswerverifiedShow Answer

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "3."

Correct AnswerverifiedShow Answer

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Which branch carries motor neurons to structures on the back of the body trunk?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified