Question 1

A person suffering from carpal tunnel syndrome has lost function of the

Accepted Answer

A)  median nerve.
B)  radial nerve.
C)  musculocutaneous nerve.
D)  ulnar nerve.
E)  axillary nerve.F) C) and E)
G) B) and E)

Question 2

Following an injury to his arm,a patient complains that he has lost the ability to flex his elbow and supinate his forearm.You suspect that he has damaged the

Accepted Answer

A)  median nerve.
B)  radial nerve.
C)  musculocutaneous nerve.
D)  ulnar nerve.
E)  axillary nerve.F) C) and D)
G) A) and D)

Question 3

A dermatome is a specific segment of skin supplied by a single spinal nerve.

Accepted Answer

A) True 
 B)False

Question 4

Which are not spinal nerve branches?

Accepted Answer

A)  Rami communicantes
B)  Posterior rami
C)  Anterior rami
D)  Lateral rami
E)  No exceptions;all of the choices are spinal nerve branchesF) C) and E)
G) A) and B)

Question 5

A network of interwoven anterior rami of spinal nerves is a

Accepted Answer

A)  ramus.
B)  communicans.
C)  ganglion.
D)  dermatome.
E)  plexus.F) All of the above
G) C) and E)

Question 6

Interneurons are not involved in a typical monosynaptic reflex.

Accepted Answer

A) True 
 B)False

Question 7

A rapid,automatic,involuntary reaction of muscles or glands to a particular stimulus is a(an)

Accepted Answer

A)  autonomic reaction.
B)  motor impulse.
C)  receptor stimulation.
D)  reflex.
E)  subconscious impulse.F) A) and D)
G) A) and C)

Question 8

The cell bodies of sensory neurons are located in the

Accepted Answer

A)  posterior root ganglion.
B)  anterior funiculus.
C)  gray commissure.
D)  anterior horn.
E)  posterior funiculus.F) A) and B)
G) A) and C)

Question 9

All spinal nerves are mixed nerves.

Accepted Answer

A) True 
 B)False

Question 10

The nerves projecting inferiorly from the spinal cord are collectively called the

Accepted Answer

A)  terminal finale.
B)  cauda equina.
C)  terminus filus.
D)  caudal terminale.
E)  caudus finalis.F) A) and C)
G) A) and B) B

Question 11

-This figure shows a cross section of the spinal cord.What structure does number 4 indicate?

Accepted Answer

A)  Posterior median sulcus
B)  White commissure
C)  Anterior funiculus
D)  Lateral funiculus
E)  Anterior median fissureF) A) and D)
G) A) and C)

Question 12

A diminished reflex response that may indicate damage to a segment of the spinal cord is a(n) _____ reflex.

Accepted Answer

A)  hypoactive
B)  hyperactive
C)  diminutive
D)  ponderous
E)  excessiveF) B) and C)
G) A) and E)

Question 13

The plexus that travels through the axillary region is the

Accepted Answer

A)  cervical.
B)  coccygeal.
C)  sacral.
D)  lumbar.
E)  brachial.F) A) and E)
G) B) and C) E

Question 14

These nuclei are located in the lateral horns and innervate smooth muscle,cardiac muscle,and glands.

Accepted Answer

A)  Sensory nuclei
B)  Autonomic motor nuclei
C)  Visceral sensory nuclei
D)  Somatic sensory nuclei
E)  Somatic motor nucleiF) All of the above
G) B) and C) B

Question 15

-This figure shows a cross section of the spinal cord.What structure does number 1 indicate?

Accepted Answer

A)  Lateral horn
B)  Anterior horn
C)  Gray commissure
D)  Posterior horn
E)  Posterior funiculusF) D) and E)
G) A) and B)

Question 16

The plexuses that lie on either side of the neck are the _____ plexuses.

Accepted Answer

A)  cervical
B)  coccygeal
C)  lumbar
D)  radial
E)  mandibularF) All of the above
G) C) and D)

Question 17

Which space associated with the spinal cord meninges contains cerebrospinal fluid?

Accepted Answer

A)  Epidural space
B)  Subdural space
C)  Subarachnoid space
D)  Epiarachnoid space
E)  Subpial spaceF) None of the above
G) C) and D)

Question 18

The adult spinal cord extends inferiorly from the brain through the vertebral canal and ends at the level of the _____ vertebra.

Accepted Answer

A)  S4
B)  L1
C)  L6
D)  S1
E)  T8F) B) and E)
G) D) and E)

Question 19

A reflex arc in which both the receptor and effector organs of the reflex are on the same side of the spinal cord is

Accepted Answer

A)  monosynaptic.
B)  polysynaptic.
C)  ipsilateral.
D)  contralateral.
E)  None of the choices is correct.F) A) and B)
G) A) and C)

Question 20

The posterior horns of the spinal cord contain

Accepted Answer

A)  axons of motor neurons and cell bodies of interneurons.
B)  axons of sensory and motor neurons.
C)  axons of interneurons.
D)  axons of sensory neurons and cell bodies of interneurons.
E)  autonomic motor neurons.F) C) and E)
G) B) and D)

Exam 16: Spinal Cord and Spinal Nerves

A person suffering from carpal tunnel syndrome has lost function of the

Correct AnswerverifiedShow Answer

Following an injury to his arm,a patient complains that he has lost the ability to flex his elbow and supinate his forearm.You suspect that he has damaged the

Correct AnswerverifiedShow Answer

A dermatome is a specific segment of skin supplied by a single spinal nerve.

Correct AnswerverifiedShow Answer

Which are not spinal nerve branches?

Correct AnswerverifiedShow Answer

A network of interwoven anterior rami of spinal nerves is a

Correct AnswerverifiedShow Answer

Interneurons are not involved in a typical monosynaptic reflex.

Correct AnswerverifiedShow Answer

A rapid,automatic,involuntary reaction of muscles or glands to a particular stimulus is a(an)

Correct AnswerverifiedShow Answer

The cell bodies of sensory neurons are located in the

Correct AnswerverifiedShow Answer

All spinal nerves are mixed nerves.

Correct AnswerverifiedShow Answer

The nerves projecting inferiorly from the spinal cord are collectively called the

Correct AnswerverifiedB

-This figure shows a cross section of the spinal cord.What structure does number 4 indicate?

Correct AnswerverifiedShow Answer

A diminished reflex response that may indicate damage to a segment of the spinal cord is a(n) _____ reflex.

Correct AnswerverifiedShow Answer

The plexus that travels through the axillary region is the

Correct AnswerverifiedE

These nuclei are located in the lateral horns and innervate smooth muscle,cardiac muscle,and glands.

Correct AnswerverifiedB

-This figure shows a cross section of the spinal cord.What structure does number 1 indicate?

Correct AnswerverifiedShow Answer

The plexuses that lie on either side of the neck are the _____ plexuses.

Correct AnswerverifiedShow Answer

Which space associated with the spinal cord meninges contains cerebrospinal fluid?

Correct AnswerverifiedShow Answer

The adult spinal cord extends inferiorly from the brain through the vertebral canal and ends at the level of the _____ vertebra.

Correct AnswerverifiedShow Answer

A reflex arc in which both the receptor and effector organs of the reflex are on the same side of the spinal cord is

Correct AnswerverifiedShow Answer

The posterior horns of the spinal cord contain

Correct AnswerverifiedShow Answer

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B

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E

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B

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