Question 1

Which of the structures listed below contains cerebrospinal fluid?

Accepted Answer

A)  Epidural space
B)  Subarachnoid space
C)  Dural space
D)  Meninx
E)  Pia materF) A) and B)
G) A) and C)

Question 2

Denticulate ligaments are thickenings of

Accepted Answer

A)  arachnoid mater.
B)  pia mater.
C)  dura mater.
D)  interstitial fluid.
E)  subdural space.F) C) and D)
G) A) and B)

Question 3

Which region of the spinal cord carries nerve impulses for proprioception?

Accepted Answer

A)  Posterior white column
B)  Anterior gray horn
C)  Anterior white column
D)  Lateral white column
E)  Dermatome tractF) A) and C)
G) B) and C)

Question 4

This type of descending motor pathway conveys nerve impulses that originate in the cerebral cortex and are destined to cause precise,voluntary movements of skeletal muscles.

Accepted Answer

A)  Indirect pathway
B)  Direct pathway
C)  Reflex arc
D)  Somatic arc
E)  Muscle spindleF) C) and D)
G) A) and B)

Question 5

The nerve labeled E in the diagram arises from which plexus?

Accepted Answer

A)  cervical plexus
B)  brachial plexus
C)  lumbar plexus
D)  sacral plexus
E)  coccygeal plexusF) B) and D)
G) B) and C)

Question 6

The thoracic nerves are also called the

Accepted Answer

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

Question 7

Which of the following nerves is labeled F in the diagram?

Accepted Answer

A)  phrenic nerve
B)  axillary nerve
C)  intercostal nerve
D)  femoral nerve
E)  common fibular nerveF) A) and C)
G) A) and B)

Question 8

Which of the following parts of a reflex arc monitors body conditions?

Accepted Answer

A)  Sensory receptor
B)  Integrating center
C)  Motor neuron
D)  Effector
E)  InterneuronF) A) and E)
G) A) and B)

Question 9

Where is the posterior ramus?

Accepted Answer

A)  B
B)  C
C)  G
D)  H
E)  None of these choicesF) C) and D)
G) C) and E)

Question 10

Describe the gross external anatomy of the spinal cord.

Accepted Answer

The answer of Describe the gross external anatomy of the...

Question 11

Where is the anterior (ventral) root of a spinal nerve?

Accepted Answer

A)  A
B)  B
C)  C
D)  G
E)  HF) B) and D)
G) B) and C)

Question 12

Which nerves labeled in the diagram form the sciatic nerve?

Accepted Answer

A)  B and C
B)  A and B
C)  F and G
D)  E and F
E)  D and EF) A) and B)
G) A) and C)

Question 13

Which of the three spinal meninges is the most superficial?

Accepted Answer

A)  Arachnoid mater
B)  Dura mater
C)  Meninx mater
D)  Pia mater
E)  Epi materF) C) and D)
G) B) and E)

Question 14

In response to a muscle being stretched,a muscle spindle initiates a somatic spinal reflex that causes?1.contraction of the agonist muscle.?2.relaxation of the antagonist muscle.?3.contraction of the antagonist muscle.?4.relaxation of the agonist muscle.

Accepted Answer

A)  1 only
B)  2 only
C)  3 only
D)  4 only
E)  1 and 2F) B) and C)
G) A) and E)

Question 15

Which of the following nerves is labeled D in the diagram?

Accepted Answer

A)  phrenic nerve
B)  ulnar nerve
C)  intercostal nerve
D)  femoral nerve
E)  tibial nerveF) B) and D)
G) A) and B)

Question 16

An ipsilateral,intersegmental,spinal somatic reflex will most likely control

Accepted Answer

A)  only one flexor muscle on the same side of the body as the sensor.
B)  many flexor muscles on the same side of the body as the sensor.
C)  many flexor and extensor muscles on the same side of the body as the sensor.
D)  many flexor muscles on the opposite side of the body as the sensor.
E)  many flexor and extensor muscles on the opposite side of the body as the sensor.F) None of the above
G) All of the above

Question 17

This division of a spinal nerve reenters the vertebral cavity through the intervertebral foramen and serves the vertebrae,vertebral ligaments,blood vessels of the spinal cord,and meninges.

Accepted Answer

A)  Dorsal ramus
B)  Ventral ramus
C)  Rami communicantes
D)  Meningeal branch
E)  Brachial plexusF) None of the above
G) C) and E)

Question 18

A nerve impulse initiated at a muscle spindle has to travel through which of the following structures to get into the spinal column?

Accepted Answer

A)  Anterior root of spinal nerve
B)  Posterior root of spinal nerve
C)  Tectospinal tract
D)  Central canal
E)  Lateral reticulospinal tractF) B) and E)
G) B) and C)

Question 19

A severed obturator nerve will lead into paralysis of which region of the body?

Accepted Answer

A)  Cervical
B)  Thoracic
C)  Lumbar
D)  Thigh
E)  ArmsF) B) and E)
G) A) and C)

Question 20

Which of the following lists the connective tissue coverings of the axons,fascicles,and entire nerve in the correct order?

Accepted Answer

A)  endoneurium,perineurium,epineurium
B)  endoneurium,epineurium,perineurium
C)  perineurium,epineurium,endoneurium
D)  epineurium,endoneurium,perineuriumE) C) and D)
F) A) and D)

Exam 13: The Spinal Cord and Spinal Nerves

This division of a spinal nerve reenters the vertebral cavity through the intervertebral foramen and serves the vertebrae,vertebral ligaments,blood vessels of the spinal cord,and meninges.

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Describe the gross external anatomy of the spinal cord.

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Where is the posterior ramus?

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Which of the following parts of a reflex arc monitors body conditions?

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A nerve impulse initiated at a muscle spindle has to travel through which of the following structures to get into the spinal column?

Correct AnswerverifiedShow Answer

Which of the following lists the connective tissue coverings of the axons,fascicles,and entire nerve in the correct order?

Correct AnswerverifiedShow Answer

This type of descending motor pathway conveys nerve impulses that originate in the cerebral cortex and are destined to cause precise,voluntary movements of skeletal muscles.

Correct AnswerverifiedShow Answer

The nerve labeled E in the diagram arises from which plexus?

Correct AnswerverifiedShow Answer

An ipsilateral,intersegmental,spinal somatic reflex will most likely control

Correct AnswerverifiedShow Answer

Which of the structures listed below contains cerebrospinal fluid?

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Which of the following nerves is labeled D in the diagram?

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Which of the following nerves is labeled F in the diagram?

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A severed obturator nerve will lead into paralysis of which region of the body?

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Where is the anterior (ventral) root of a spinal nerve?

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Which of the three spinal meninges is the most superficial?

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The thoracic nerves are also called the

Correct AnswerverifiedShow Answer

Which region of the spinal cord carries nerve impulses for proprioception?

Correct AnswerverifiedShow Answer

In response to a muscle being stretched,a muscle spindle initiates a somatic spinal reflex that causes?1.contraction of the agonist muscle.?2.relaxation of the antagonist muscle.?3.contraction of the antagonist muscle.?4.relaxation of the agonist muscle.

Correct AnswerverifiedShow Answer

Which nerves labeled in the diagram form the sciatic nerve?

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Denticulate ligaments are thickenings of

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