Question 1

In a lumbar puncture (spinal tap) ,fluid is extracted from the

Accepted Answer

A)  central canal of the spinal cord.
B)  epidural space.
C)  subdural space.
D)  epipial space.
E)  subarachnoid space.

Question 2

The subdural space is the region between the arachnoid mater and the dura mater.

Accepted Answer

A) True 
 B)False

Question 3

The function of upper motor neurons is to

Accepted Answer

A)  directly excite skeletal muscle cells.
B)  excite or inhibit skeletal muscle cells.
C)  excite or inhibit lower motor neurons.
D)  excite motor portions of the thalamus.
E)  excite or inhibit motor portions of the cerebral cortex.

Question 4

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)  T8

Question 5

Abdominal pain from digestive organs would be conveyed to the brain by way of somatosensory pathways.

Accepted Answer

A) True 
 B)False

Question 6

A posterior root contains

Accepted Answer

A)  sensory axons only.
B)  motor axons only.
C)  a mix of sensory and motor axons.
D)  autonomic nervous system axons.

Question 7

-This figure shows the spinal cord and spinal nerves.What structure does number 3 indicate

Accepted Answer

A)  Cervical plexus
B)  Brachial plexus
C)  Cervical enlargement
D)  Lumbosacral enlargement
E)  Sacral plexus

Question 8

Clonus often accompanies a ______ reflex after damage has occurred to the brain.

Accepted Answer

A)  cremaster
B)  pupillary
C)  hypoactive
D)  hyperactive

Question 9

Information about temperature,proprioception,and pressure from skin,joints,and muscles is conveyed by

Accepted Answer

A)  somatomotor pathways.
B)  visceromotor pathways.
C)  somatosensory pathways.
D)  viscerosensory pathways.

Question 10

Which of the following structures is closest to the spinal cord

Accepted Answer

A)  Posterior ramus
B)  Posterior root ganglion
C)  Posterior rootlets
D)  Posterior root

Question 11

What is the correct order for the parts of the spinal cord,from superior to inferior

Accepted Answer

A)  Cervical - thoracic - sacral - coccygeal - lumbar
B)  Cervical - thoracic - lumbar - sacral - coccygeal
C)  Thoracic - lumbar - sacral - cervical - coccygeal
D)  Thoracic - cervical - lumbar - coccygeal - sacral
E)  Thoracic - lumbar - sacral - coccygeal - cervical

Question 12

Lower motor neurons are always excitatory.

Accepted Answer

A) True 
 B)False

Question 13

This nerve helps to plant the foot and receives sensory signals from the skin of the sole.

Accepted Answer

A)  Femoral nerve
B)  Deep fibular nerve
C)  Obturator nerve
D)  Genitofemoral nerve
E)  Tibial nerve

Question 14

The medial lemniscus is

Accepted Answer

A)  gray matter in the spinal cord that processes information about proprioception and touch.
B)  gray matter in the spinal cord that processes information about pain and temperature.
C)  white matter in the brainstem that conducts information about proprioception and touch.
D)  white matter in the brainstem that conducts information about pain and temperature.

Question 15

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

Accepted Answer

A)  cervical
B)  branchial
C)  lumbar
D)  radial
E)  mandibular

Question 16

The spinal dura mater contains an outer periosteal layer and an inner meningeal layer.

Accepted Answer

A) True 
 B)False

Question 17

The large section of spinal white matter that is found between the posterior gray horns is known as the posterior

Accepted Answer

A)  commissure.
B)  funiculus.
C)  decussation.
D)  peduncle.

Question 18

________ pathways have peripheral primary neurons and central secondary and tertiary neurons.

Accepted Answer

A)  Motor
B)  Sensory

Question 19

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

Question 20

The most inferior spinal nerve is

Accepted Answer

A)  C7.
B)  C8.
C)  Co1.
D)  Co7.
E)  CN XII.

Exam 14: Nervous System: Spinal Cord and Spinal Nerves

Information about temperature,proprioception,and pressure from skin,joints,and muscles is conveyed by

Correct AnswerverifiedShow Answer

The spinal dura mater contains an outer periosteal layer and an inner meningeal layer.

Correct AnswerverifiedShow Answer

This nerve helps to plant the foot and receives sensory signals from the skin of the sole.

Correct AnswerverifiedShow Answer

The large section of spinal white matter that is found between the posterior gray horns is known as the posterior

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 posterior root contains

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

What is the correct order for the parts of the spinal cord,from superior to inferior

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Clonus often accompanies a ______ reflex after damage has occurred to the brain.

Correct AnswerverifiedShow Answer

The most inferior spinal nerve is

Correct AnswerverifiedShow Answer

Which of the following structures is closest to the spinal cord

Correct AnswerverifiedShow Answer

Abdominal pain from digestive organs would be conveyed to the brain by way of somatosensory pathways.

Correct AnswerverifiedShow Answer

The subdural space is the region between the arachnoid mater and the dura mater.

Correct AnswerverifiedShow Answer

-This figure shows the spinal cord and spinal nerves.What structure does number 3 indicate

Correct AnswerverifiedShow Answer

In a lumbar puncture (spinal tap) ,fluid is extracted from the

Correct AnswerverifiedShow Answer

The function of upper motor neurons is to

Correct AnswerverifiedShow Answer

Lower motor neurons are always excitatory.

Correct AnswerverifiedShow Answer

________ pathways have peripheral primary neurons and central secondary and tertiary neurons.

Correct AnswerverifiedShow Answer

The medial lemniscus is

Correct AnswerverifiedShow Answer

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