Question 1

What would NOT lead to hydrocephalus?

Accepted Answer

A)   deficient CSF production
B)   excessive CSF production
C)   not enough CSF reabsorbed by the arachnoid granulations
D)   blockage of CSF circulation

Question 2

The neurotransmitter orexin plays a role in:

Accepted Answer

A)   the promotion of wakefulness.
B)   the promotion of sleepiness.
C)   body temperature regulation.
D)   the regulation of metabolism.

Question 3

You reached into the freezer to grab a piece of ice. Temperature information is carried to the brain by the posterior columns of white matter in the spinal cord.

Accepted Answer

A) True 
 B)False

Question 4

What part of the motor pathway inhibits inappropriate movements?

Accepted Answer

A)   primary motor cortex
B)   basal nuclei
C)   occipital lobe
D)   cerebellum

Question 5

The majority of the cerebral cortex is:

Accepted Answer

A)   fiber tracts.
B)   cerebellum.
C)   white matter.
D)   neocortex.

Question 6

Where are the cell bodies of lower motor neurons located?

Accepted Answer

A)   brainstem
B)   dorsal horn of spinal gray matter
C)   anterior horn of spinal gray matter
D)   motor area of cerebral cortex

Question 7

Predict the effect of decreased levels of dopamine on the substantia nigra of the basal nuclei.

Accepted Answer

The neurons of the substantia nigra are ...

Question 8

In 1848, Phineas Gage sustained a brain injury when an iron rod pierced through his left prefrontal cerebral cortex. What do you think was the result?

Accepted Answer

A)   Gage was unable to move the right side of his body.
B)   Gage's personality, behavior, and psychological state changed.
C)   Gage was unable to produce language.
D)   Gage was unable to understand language.

Question 9

Match the following with the spinal cord cross section.
 
-Identify the gray commissure.

Accepted Answer

The answer of Match the following with the spinal cord...

Question 10

The polio virus can destroy the cells in the anterior horns of the spinal gray matter. Discuss the problems encountered if the anterior horns of the spinal gray matter are damaged.

Accepted Answer

The anterior gray horns house cell bodie...

Question 11

Damage to the substantia nigra of the midbrain would be indicated by problems with:

Accepted Answer

A)   heart rate.
B)   sense of smell.
C)   respiration.
D)   movement.

Question 12

Astrocytes and tight junctions create a barrier to viruses and bacteria known as:

Accepted Answer

A)   dural sinuses.
B)   the blood -brain barrier.
C)   choroid plexues.
D)   meninges.

Question 13

Select the letter that represents the location of the primary motor cortex.

Accepted Answer

A)   A
B)   B
C)   C
D)   D

Question 14

Capillaries in the brain are unique from other capillaries as they have more tight junctions and limit endocytosis and exocytosis.

Accepted Answer

A) True 
 B)False

Question 15

Match the following with the spinal cord cross section.
 
-Where does CSF circulate through the spinal cord?

Accepted Answer

The answer of Match the following with the spinal cord...

Question 16

A lumbar puncture, or spinal tap, draws out a sample of CSF from the subdural space around the spinal cord.

Accepted Answer

A) True 
 B)False

Question 17

What results when the corpus callosum is cut?

Accepted Answer

A)   communication between a cerebral cortex in one hemisphere with other areas of the same hemisphere would be impaired
B)   communication within a single brain hemisphere would be impaired
C)   communication between the brain and spinal cord would be impaired
D)   communication between the right and left cerebral hemispheres would be impaired

Question 18

Match the following with the spinal cord cross section.
 
-Where are the cell bodies of neurons that process both somatic and visceral incoming sensory information?

Accepted Answer

The answer of Match the following with the spinal cord...

Question 19

Outline the general pathway for the formation, circulation, and reabsorption of cerebrospinal fluid (CSF).

Accepted Answer

CSF is formed when fluid and electrolyte...

Question 20

Match the following with the sagittal section of the brain.
 
-Identify the structure that edits, sorts, and routes stimuli as well as controls entry of information into the cerebral cortex.

Accepted Answer

The answer of Match the following with the sagittal section...

Exam 12: The Central Nervous System

Capillaries in the brain are unique from other capillaries as they have more tight junctions and limit endocytosis and exocytosis.

Correct AnswerverifiedShow Answer

What would NOT lead to hydrocephalus?

Correct AnswerverifiedShow Answer

The majority of the cerebral cortex is:

Correct AnswerverifiedShow Answer

Predict the effect of decreased levels of dopamine on the substantia nigra of the basal nuclei.

Correct AnswerverifiedThe neurons of the substantia nigra are ...View AnswerShow Answer

The neurotransmitter orexin plays a role in:

Correct AnswerverifiedShow Answer

Select the letter that represents the location of the primary motor cortex.

Correct AnswerverifiedShow Answer

What part of the motor pathway inhibits inappropriate movements?

Correct AnswerverifiedShow Answer

Where are the cell bodies of lower motor neurons located?

Correct AnswerverifiedShow Answer

Match the following with the spinal cord cross section. -Where does CSF circulate through the spinal cord?

Correct AnswerverifiedShow Answer

The polio virus can destroy the cells in the anterior horns of the spinal gray matter. Discuss the problems encountered if the anterior horns of the spinal gray matter are damaged.

Correct AnswerverifiedThe anterior gray horns house cell bodie...View AnswerShow Answer

Outline the general pathway for the formation, circulation, and reabsorption of cerebrospinal fluid (CSF).

Correct AnswerverifiedCSF is formed when fluid and electrolyte...View AnswerShow Answer

In 1848, Phineas Gage sustained a brain injury when an iron rod pierced through his left prefrontal cerebral cortex. What do you think was the result?

Correct AnswerverifiedShow Answer

You reached into the freezer to grab a piece of ice. Temperature information is carried to the brain by the posterior columns of white matter in the spinal cord.

Correct AnswerverifiedShow Answer

Match the following with the spinal cord cross section. -Identify the gray commissure.

Correct AnswerverifiedShow Answer

A lumbar puncture, or spinal tap, draws out a sample of CSF from the subdural space around the spinal cord.

Correct AnswerverifiedShow Answer

Damage to the substantia nigra of the midbrain would be indicated by problems with:

Correct AnswerverifiedShow Answer

What results when the corpus callosum is cut?

Correct AnswerverifiedShow Answer

Match the following with the sagittal section of the brain. -Identify the structure that edits, sorts, and routes stimuli as well as controls entry of information into the cerebral cortex.

Correct AnswerverifiedShow Answer

Match the following with the spinal cord cross section. -Where are the cell bodies of neurons that process both somatic and visceral incoming sensory information?

Correct AnswerverifiedShow Answer

Astrocytes and tight junctions create a barrier to viruses and bacteria known as:

Correct AnswerverifiedShow Answer

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The neurons of the substantia nigra are ...
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The anterior gray horns house cell bodie...
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CSF is formed when fluid and electrolyte...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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