Question 1

Cerebrospinal fluid flows within the

Accepted Answer

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

Question 2

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

Accepted Answer

A)   contralateral.
B)   ipsilateral.
C)   monosynaptic.
D)   involuntary.
E)   polysynaptic.

Question 3

Sometimes, when it is difficult to initiate a knee-jerk reflex by tapping the patellar tendon, a patientwill be asked to voluntarily make a fist. Then the reflex will be easily evoked. What does this illustrate about the relation between voluntary and involuntary reflex movement?

Accepted Answer

Descending motor tracts that excite the ...

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 communicans
C)   white ramus communicans
D)   posterior ramus communicans
E)   anterior ramus communicans

Question 5

Large bundles of axons from several spinal nerves in the brachial plexus are termed

Accepted Answer

A)   cords.
B)   rami.
C)   dermatomes.
D)   trunks.
E)   roots.

Question 6

In an adult, the conus medullaris is found at about

Accepted Answer

A)   T6.
B)   T10.
C)   L1.
D)   L5.
E)   C8.

Question 7

Which of the following is not true of meningitis?

Accepted Answer

A)   Inflammation of the meninges occurs.
B)   Bacteria can be the cause.
C)   Viruses can be the cause.
D)   CSF flow can be disrupted.
E)   It only affects spinal meninges.

Question 8

Recognized neuronal circuit patterns include all of the following except

Accepted Answer

A)   convergent.
B)   divergent.
C)   multipolar.
D)   reverberating.
E)   parallel processing.

Question 9

The largest peripheral nerve is the ________ nerve.

Accepted Answer

A)   median
B)   femoral
C)   phrenic
D)   obturator
E)   sciatic

Question 10

Samples of CSF for diagnostic purposes are normally obtained by placing the tip of a needle in the

Accepted Answer

A)   dura mater.
B)   arachnoid mater.
C)   epidural space.
D)   subarachnoid space.
E)   cerebral ventricles.

Question 11

The brachial plexus gives rise to all of the following nerves except the

Accepted Answer

A)   radial.
B)   median.
C)   ulnar.
D)   musculocutaneous.
E)   phrenic.

Question 12

While playing football, Ramón is tackled hard, and as he tries to get up, he finds that he has difficultyflexing and adducting his left thigh and extending his left leg. Which nerve innervating the lower limb may be damaged, and how would the damage affect sensory perception in Ramón's left leg?

Accepted Answer

Ramón has a damaged left femoral nerve. ...

Question 13

During the procedure known as a(n)  ________, a needle is inserted into the subarachnoid space in the inferior lumbar region.

Accepted Answer

A)   myelography
B)   encephalomyelogram
C)   laminectomy
D)   lumbar puncture
E)   thoracic tap

Question 14

The anterior root of a spinal nerve contains

Accepted Answer

A)   axons of motor neurons.
B)   axons of sensory neurons.
C)   cell bodies of motor neurons.
D)   cell bodies of sensory neurons.
E)   interneurons.

Question 15

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 commissures

Question 16

Figure 13-1 The Spinal Cord
 
Use Figure 13-1 to answer the following questions:
-Identify the structure labeled "4."

Accepted Answer

A)   posterior gray column
B)   posterior gray ganglion
C)   posterior white column
D)   posterior gray horn
E)   anterior gray horn

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 mater.
D)   pia mater.
E)   choroid plexus.

Question 18

The ________ reflex complements the flexor reflex by activating contralateral muscles.

Accepted Answer

A)   stretch
B)   tendon
C)   flexor
D)   crossed extensor
E)   reciprocal

Question 19

In-Text Figure Based Questions
-The axillary, radial, and ulnar nerves branch from which plexus? (Figure 13-9)

Accepted Answer

A)   cervical
B)   brachial
C)   lumbar
D)   sacral
E)   thoracic

Question 20

The condition in which a person loses all feeling and movement of the arms and legs due to spinal cord injury is termed

Accepted Answer

A)   paraplegia.
B)   hemiplegia.
C)   spinal shock.
D)   quadriplegia.
E)   spinal transection.

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

Large bundles of axons from several spinal nerves in the brachial plexus are termed

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Samples of CSF for diagnostic purposes are normally obtained by placing the tip of a needle in the

Correct AnswerverifiedShow Answer

The anterior root of a spinal nerve contains

Correct AnswerverifiedShow Answer

Recognized neuronal circuit patterns include all of the following except

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

While playing football, Ramón is tackled hard, and as he tries to get up, he finds that he has difficultyflexing and adducting his left thigh and extending his left leg. Which nerve innervating the lower limb may be damaged, and how would the damage affect sensory perception in Ramón's left leg?

Correct AnswerverifiedRamón has a damaged left femoral nerve. ...View AnswerShow Answer

The brachial plexus gives rise to all of the following nerves except the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Figure 13-1 The Spinal Cord Use Figure 13-1 to answer the following questions: -Identify the structure labeled "4."

Correct AnswerverifiedShow Answer

The ________ reflex complements the flexor reflex by activating contralateral muscles.

Correct AnswerverifiedShow Answer

The largest peripheral nerve is the ________ nerve.

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 an adult, the conus medullaris is found at about

Correct AnswerverifiedShow Answer

In-Text Figure Based Questions -The axillary, radial, and ulnar nerves branch from which plexus? (Figure 13-9)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The condition in which a person loses all feeling and movement of the arms and legs due to spinal cord injury is termed

Correct AnswerverifiedShow Answer

Sometimes, when it is difficult to initiate a knee-jerk reflex by tapping the patellar tendon, a patientwill be asked to voluntarily make a fist. Then the reflex will be easily evoked. What does this illustrate about the relation between voluntary and involuntary reflex movement?

Correct AnswerverifiedDescending motor tracts that excite the ...View AnswerShow Answer

Which of the following is not true of meningitis?

Correct AnswerverifiedShow Answer

During the procedure known as a(n) ________, a needle is inserted into the subarachnoid space in the inferior lumbar region.

Correct AnswerverifiedShow Answer

Cerebrospinal fluid flows within the

Correct AnswerverifiedShow Answer

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Ramón has a damaged left femoral nerve. ...
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Descending motor tracts that excite the ...
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