Question 1

Due to repeated stimulation, a neuron will increase its release of neurotransmitters in response to a nerve impulse. What is this called?

Accepted Answer

A)   Facilitation
B)   Amplification
C)   Convergence
D)   Divergence
E)   InhibitationF) B) and E)
G) None of the above

Question 2

What part of the brain coordinates voluntary muscle movements?

Accepted Answer

A)   Cerebrum
B)   Medulla oblongata
C)   Cerebellum
D)   Corpus callosum
E)   MidbrainF) A) and C)
G) None of the above

Question 3

Where are the cardiac and vasomotor centers located?

Accepted Answer

A)   Pons
B)   Medulla oblongata
C)   Cerebellum
D)   Frontal lobe
E)   ThalamusF) A) and C)
G) All of the above

Question 4

During an action potential, what occurs that results in depolarization?

Accepted Answer

A)   Potassium ions diffuse to the outside of the cell membrane.
B)   Potassium ions diffuse to the inside of the cell membrane.
C)   Sodium ions diffuse to the outside of the cell membrane.
D)   Sodium ions diffuse to the inside of the cell membrane.E) C) and D)
F) A) and B)

Question 5

Where are sympathetic ganglia located?

Accepted Answer

A)   Close to the spinal cord
B)   Close to the effector organs and glands
C)   In the sacral region
D)   In the dorsal root gangliaE) C) and D)
F) None of the above

Question 6

What is the name given to the outer meninx that is composed mostly of white fibrous connective tissue and contains many blood vessels and nerves?

Accepted Answer

A)   Pia mater
B)   Arachnoid mater
C)   Dura materD) B) and C)
E) A) and B)

Question 7

The butterfly shape seen in a cross section of the spinal cord is composed of white matter.

Accepted Answer

A) True 
 B)False

Question 8

The interconnected fluid-filled cavities in the brain are called the __________.

Accepted Answer

The answer of The interconnected fluid-filled cavities in the brain...

Question 9

What happens to a neuron when the membrane becomes more permeable to sodium?

Accepted Answer

A)   The neuron becomes polarized.
B)   The neuron hyperpolarizes.
C)   The neuron depolarizes.
D)   The neuron repolarizes.E) A) and D)
F) B) and C)

Question 10

A patient is diagnosed with

Accepted Answer

A)   Oligodendrocytes
B)   Schwann cells
C)   Astrocytes
D)   Ependymal cellsE) B) and C)
F) All of the above

Question 11

Which glial cells form an epithelial-like membrane that lines the enclosed spaces of the brain and spinal cord?

Accepted Answer

A)   Astrocytes
B)   Ependymalcells
C)   Oligodendrocytes
D)   Microglia
E)   Schwann cellsF) B) and C)
G) B) and E)

Question 12

A patient presents to his doctor with a dilated pupil, drooping eyelid, and lack of sweating on one side of his face. The diagnosis is Horner's syndrome. Damage to what part of the nervous system caused this issue?

Accepted Answer

A)   Sympathetic nervous system
B)   Parasympathetic nervous system
C)   Somatic nervous systemD) B) and C)
E) All of the above

Question 13

What type of neurons conduct impulses into the brain or spinal cord?

Accepted Answer

A)   Motor neurons
B)   Interneurons
C)   Sensory neuronsD) A) and B)
E) A) and C)

Question 14

Faster impulse conduction speeds are possible with __________ axons.

Accepted Answer

A)   thin diameter
B)   thick diameterC) A) and B)
D) undefined

Question 15

Damage to which lobe of the brain could result in changes in personality and behavior?

Accepted Answer

A)   Frontal lobe
B)   Parietal lobe
C)   Occipital lobe
D)   Temporal lobeE) All of the above
F) A) and D)

Question 16

In the case of a subdural hematoma (blood accumulation)  resulting from a blow to the head, blood accumulates between what two structures?

Accepted Answer

A)   Dura mater and bone of the skull
B)   Dura mater and arachnoid mater
C)   Pia mater and brain
D)   Arachnoid mater and pia mater
E)   In the subarachnoid spaceF) A) and D)
G) A) and C)

Question 17

Outside the brain and spinal cord, sheaths of myelin produced by ____________ cells often enclose the axons.

Accepted Answer

The answer of Outside the brain and spinal cord, sheaths...

Question 18

Which glial cells form the insulating myelin sheath around axons of the central nervous system?

Accepted Answer

A)   Astrocytes
B)   Ependymalcells
C)   Oligodendrocytes
D)   Microglia
E)   Schwann cellsF) D) and E)
G) A) and B)

Question 19

Astrocytes provide structural support in the nervous system.

Accepted Answer

A) True 
 B)False

Question 20

The difference in electrical charge between the inside and outside of a restingnerve cell membrane is called the resting membrane __________.

Accepted Answer

The answer of The difference in electrical charge between the...

Exam 9: Nervous System

Faster impulse conduction speeds are possible with __________ axons.

Correct AnswerverifiedShow Answer

Astrocytes provide structural support in the nervous system.

Correct AnswerverifiedShow Answer

During an action potential, what occurs that results in depolarization?

Correct AnswerverifiedShow Answer

What is the name given to the outer meninx that is composed mostly of white fibrous connective tissue and contains many blood vessels and nerves?

Correct AnswerverifiedShow Answer

The butterfly shape seen in a cross section of the spinal cord is composed of white matter.

Correct AnswerverifiedShow Answer

A patient presents to his doctor with a dilated pupil, drooping eyelid, and lack of sweating on one side of his face. The diagnosis is Horner's syndrome. Damage to what part of the nervous system caused this issue?

Correct AnswerverifiedShow Answer

What happens to a neuron when the membrane becomes more permeable to sodium?

Correct AnswerverifiedShow Answer

Where are the cardiac and vasomotor centers located?

Correct AnswerverifiedShow Answer

Where are sympathetic ganglia located?

Correct AnswerverifiedShow Answer

The difference in electrical charge between the inside and outside of a restingnerve cell membrane is called the resting membrane __________.

Correct AnswerverifiedShow Answer

A patient is diagnosed with

Correct AnswerverifiedShow Answer

The interconnected fluid-filled cavities in the brain are called the __________.

Correct AnswerverifiedShow Answer

Damage to which lobe of the brain could result in changes in personality and behavior?

Correct AnswerverifiedShow Answer

What part of the brain coordinates voluntary muscle movements?

Correct AnswerverifiedShow Answer

Due to repeated stimulation, a neuron will increase its release of neurotransmitters in response to a nerve impulse. What is this called?

Correct AnswerverifiedShow Answer

In the case of a subdural hematoma (blood accumulation) resulting from a blow to the head, blood accumulates between what two structures?

Correct AnswerverifiedShow Answer

What type of neurons conduct impulses into the brain or spinal cord?

Correct AnswerverifiedShow Answer

Which glial cells form the insulating myelin sheath around axons of the central nervous system?

Correct AnswerverifiedShow Answer

Outside the brain and spinal cord, sheaths of myelin produced by ____________ cells often enclose the axons.

Correct AnswerverifiedShow Answer

Which glial cells form an epithelial-like membrane that lines the enclosed spaces of the brain and spinal cord?

Correct AnswerverifiedShow Answer

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