Question 1

The spinal cord part with the largest diameter is the ___________ part.

Accepted Answer

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

Question 2

All spinal nerves are mixed nerves.

Accepted Answer

A) True 
 B)False

Question 3

Stepping on a piece of glass would most likely invoke a _____ reflex.

Accepted Answer

A)  Golgi tendon
B)  withdrawal
C)  stretch
D)  pain
E)  motor

Question 4

The inferior tip of the spinal cord is the ___________ part.

Accepted Answer

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

Question 5

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.

Question 6

The tapered,conical inferior end of the spinal cord is called the conus

Accepted Answer

A)  finalis.
B)  medullaris.
C)  equine.
D)  caudalis.

Question 7

Which space associated with the spinal cord meninges contains areolar connective tissue,blood vessels,and adipose connective tissue?

Accepted Answer

A)  Subarachnoid space
B)  Epidural space
C)  Central canal
D)  Subdural space
E)  Epiarachnoid space

Question 8

Late one night you are leaving the science building during a massive snowstorm.As you approach your car,your right foot suddenly slips on a patch of ice.Your left leg immediately stiffens as you try to regain your balance.The reflex action you relied upon is most correctly known as a(n)

Accepted Answer

A)  multisynaptic reflex.
B)  unilateral reflex.
C)  ipsilateral reflex.
D)  contralateral reflex.
E)  None of the choices is correct.

Question 9

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.

Question 10

A spinal nerve contains

Accepted Answer

A)  motor axons only.
B)  sensory axons only.
C)  both motor axons and sensory axons.

Question 11

The embryonic feature that gives rise to the anterior and lateral horns of gray matter and part of the gray commissure is the _____ plate.

Accepted Answer

A)  basal
B)  alar
C)  ulnar
D)  anterior
E)  posterior

Question 12

There are ____ pairs of spinal nerves.

Accepted Answer

A)  13
B)  31
C)  40
D)  51
E)  12

Question 13

Following an injury to his arm,a patient complains that he has no sensations from his "pinky".You suspect that he has damaged the

Accepted Answer

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

Question 14

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.

Question 15

A network of interwoven anterior rami of spinal nerves is a

Accepted Answer

A)  ramus.
B)  communicans.
C)  ganglion.
D)  dermatome.
E)  plexus.

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)  mandibular

Question 17

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 branches

Question 18

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.

Question 19

Interneurons are not involved in a typical monosynaptic reflex.

Accepted Answer

A) True 
 B)False

Question 20

In general,nerves from the posterior division of the brachial plexus tend to innervate muscles that extend the parts of the upper limb.

Accepted Answer

A) True 
 B)False

Exam 16: Spinal Cord and Spinal Nerves

Which are not spinal nerve branches?

Correct AnswerverifiedShow Answer

A network of interwoven anterior rami of spinal nerves is a

Correct AnswerverifiedShow Answer

The spinal cord part with the largest diameter is the ___________ part.

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

Following an injury to his arm,a patient complains that he has no sensations from his "pinky".You suspect that he has damaged the

Correct AnswerverifiedShow Answer

Interneurons are not involved in a typical monosynaptic reflex.

Correct AnswerverifiedShow Answer

The inferior tip of the spinal cord is the ___________ part.

Correct AnswerverifiedShow Answer

Which space associated with the spinal cord meninges contains areolar connective tissue,blood vessels,and adipose connective tissue?

Correct AnswerverifiedShow Answer

The embryonic feature that gives rise to the anterior and lateral horns of gray matter and part of the gray commissure is the _____ plate.

Correct AnswerverifiedShow Answer

The tapered,conical inferior end of the spinal cord is called the conus

Correct AnswerverifiedShow Answer

Stepping on a piece of glass would most likely invoke a _____ reflex.

Correct AnswerverifiedShow Answer

In general,nerves from the posterior division of the brachial plexus tend to innervate muscles that extend the parts of the upper limb.

Correct AnswerverifiedShow Answer

The cell bodies of sensory neurons are located in the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

There are ____ pairs of spinal nerves.

Correct AnswerverifiedShow Answer

Late one night you are leaving the science building during a massive snowstorm.As you approach your car,your right foot suddenly slips on a patch of ice.Your left leg immediately stiffens as you try to regain your balance.The reflex action you relied upon is most correctly known as a(n)

Correct AnswerverifiedShow Answer

The posterior horns of the spinal cord contain

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A spinal nerve contains

Correct AnswerverifiedShow Answer

All spinal nerves are mixed nerves.

Correct AnswerverifiedShow Answer

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