Question 1

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) A) and D)
G) B) and D)

Question 2

The spinocerebellar pathway is an ascending somatosensory pathway.

Accepted Answer

A) True 
 B)False

Question 3

There are seven cervical vertebrae but eight cervical spinal nerves.

Accepted Answer

A) True 
 B)False

Question 4

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) B) and D)
G) C) and E)

Question 5

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.F) A) and B)
G) All of the above

Question 6

The femoral nerve arises from which nerve plexus?

Accepted Answer

A)   Lumbar
B)   Sacral
C)   Brachial
D)   CervicalE) None of the above
F) A) and D)

Question 7

The plexus that supplies the upper limbs is the ________ plexus.

Accepted Answer

A)   cervical
B)   brachial
C)   bronchiole
D)   lumbar
E)   sciaticF) A) and D)
G) B) and C)

Question 8

Which type of reflex occurs with the smallest delay?

Accepted Answer

A)   Polysynaptic
B)   MonosynapticC) A) and B)
D) undefined

Question 9

Anatomy of the spinal cord & spinal nerves. 
-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 plexusF) A) and B)
G) A) and C)

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

Which are not spinal nerve branches?

Accepted Answer

A)   Rami communicantes
B)   Posterior rami
C)   Anterior rami
D)   Lateral ramiE) B) and D)
F) B) and C)

Question 12

Information about pain and temperature is conveyed to the brain by way of the

Accepted Answer

A)   posterior funiculus-medial lemniscal pathway.
B)   spinocerebellar pathway.
C)   anterolateral pathway.
D)   fasciculus gracilis.
E)   tectospinal tract.F) D) and E)
G) B) and E)

Question 13

A network of interwoven anterior rami of spinal nerves is a

Accepted Answer

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

Question 14

Axons of the anterior corticospinal tracts decussate in the medulla.

Accepted Answer

A) True 
 B)False

Question 15

A pathway has two parts: a bundle of CNS axons and a collection of neuron cell bodies in the CNS.

Accepted Answer

A) True 
 B)False

Question 16

In the brain, the outer cerebral cortex consists of gray matter, but in the spinal cord, gray matter is confined to the innermost regions.

Accepted Answer

A) True 
 B)False

Question 17

If someone sustained damage to the left side of their spinal cord at the T2 level such that both the anterolateral pathway and the posterior funiculus were severed on the left side only, what sensory deficits would exist in the left and right lower limbs?

Accepted Answer

Proprioception and light touch...

Question 18

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) A) and E)
G) D) and E)

Question 19

Anatomy of the spinal cord & spinal nerves. 
-This figure shows spinal nerve branches. What structure does number 1 indicate?

Accepted Answer

A)   Anterior ramus
B)   Posterior ramus
C)   Rami communicantes
D)   Sympathetic trunk ganglion
E)   Posterior root ganglionF) B) and D)
G) B) and C)

Question 20

The sciatic nerve arises from which nerve plexus?

Accepted Answer

A)   Lumbar
B)   Sacral
C)   Brachial
D)   CervicalE) A) and B)
F) C) and D)

Exam 14: Nervous System: Spinal Cord and Spinal Nerves

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

Correct AnswerverifiedShow Answer

A network of interwoven anterior rami of spinal nerves is a

Correct AnswerverifiedShow Answer

If someone sustained damage to the left side of their spinal cord at the T2 level such that both the anterolateral pathway and the posterior funiculus were severed on the left side only, what sensory deficits would exist in the left and right lower limbs?

Correct AnswerverifiedProprioception and light touch...View AnswerShow Answer

A pathway has two parts: a bundle of CNS axons and a collection of neuron cell bodies in the CNS.

Correct AnswerverifiedShow Answer

Axons of the anterior corticospinal tracts decussate in the medulla.

Correct AnswerverifiedShow Answer

The spinocerebellar pathway is an ascending somatosensory pathway.

Correct AnswerverifiedShow Answer

The plexus that supplies the upper limbs is the ________ plexus.

Correct AnswerverifiedShow Answer

The femoral nerve arises from which nerve plexus?

Correct AnswerverifiedShow Answer

In the brain, the outer cerebral cortex consists of gray matter, but in the spinal cord, gray matter is confined to the innermost regions.

Correct AnswerverifiedShow Answer

Information about pain and temperature is conveyed to the brain by way of the

Correct AnswerverifiedShow Answer

Which are not spinal nerve branches?

Correct AnswerverifiedShow Answer

Which type of reflex occurs with the smallest delay?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Anatomy of the spinal cord & spinal nerves. -This figure shows spinal nerve branches. What structure does number 1 indicate?

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

There are seven cervical vertebrae but eight cervical spinal nerves.

Correct AnswerverifiedShow Answer

The sciatic nerve arises from which nerve plexus?

Correct AnswerverifiedShow Answer

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Proprioception and light touch...
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