Question 1

A nerve impulse is caused by

Accepted Answer

A)   the movement of a sodium ion all the way from dendrite to axon tip.
B)   the movement of a potassium ion all the way from dendrite to axon tip.
C)   the movement of an electron all the way from dendrite to axon tip.
D)   a change in the difference in positive and negative ions on the outer and inner surfaces of the neuron membrane, a change that opens adjacent channels and propagates its flow.
E)   a change in the difference in sugar molecules on the outer and inner surfaces of the neuron membrane that opens adjacent channels.F) B) and D)
G) B) and C)

Question 2

Which structures are associated with the limbic system?

Accepted Answer

A)   cerebral lobes, basal nuclei, and diencephalon
B)   cerebral lobes, basal nuclei, and spinal cord
C)   cerebral lobes, peripheral nerves, and diencephalon
D)   cerebellum, basal nuclei, and diencephalon
E)   spinal cord, basal nuclei, and diencephalonF) A) and D)
G) All of the above

Question 3

Since the membrane is more permeable to K+ than to Na+,

Accepted Answer

A)   there are always more positive ions outside the membrane than inside.
B)   there are always more negative ions outside the membrane than inside.
C)   the outside of the membrane is always negative.
D)   the outside of the membrane is always neutral.
E)   there really is never a resting potential.F) A) and B)
G) All of the above

Question 4

What are the interconnecting spaces that produce and serve as a reservoir for cerebrospinal fluid in the brain called?

Accepted Answer

A)   meninges
B)   ventricles
C)   corpus callosum
D)   insula
E)   gangliaF) A) and D)
G) A) and C)

Question 5

Certain people have an inability to speak due to brain damage.The most likely area of the brain that has been damaged is

Accepted Answer

A)   Broca's area.
B)   the meninges.
C)   the ventricles.
D)   the amygdala.
E)   the limbic system.F) A) and B)
G) All of the above

Question 6

Spinal nerves contain

Accepted Answer

A)   only sensory fibers.
B)   only motor fibers.
C)   both sensory and motor fibers.
D)   only parasympathetic fibers.
E)   only ganglia.F) B) and E)
G) C) and D)

Question 7

List and compare the three classes of neurons.

Accepted Answer

1.Sensory neuron: takes messages form th...

Question 8

How fast a person can type or play the piano is ultimately limited by the number of impulses a person can send to their finger muscles per second.This in turn is limited by

Accepted Answer

A)   primarily the type of muscle.
B)   whether the signal is pain, sound, motor, etc.
C)   the magnitude or strength of the nerve impulse.
D)   the number of neurons and synapses involved.
E)   the speed with which sodium ion can be pumped back outside the neuron membrane.F) A) and D)
G) D) and E)

Question 9

Which type of memory is associated with specific facts,persons,and events?

Accepted Answer

A)   episodic
B)   skill
C)   semantic
D)   short term
E)   All of these are associated with specific facts, persons, and events.F) A) and E)
G) All of the above

Question 10

The primary functions of the spinal cord involve

Accepted Answer

A)   intelligence and memory.
B)   speech, taste, smell, vision, and hearing.
C)   reflex actions and communication between the brain and peripheral nerves.
D)   controlling muscle activity and maintaining balance.
E)   local control and decision-making for local anatomy.F) A) and E)
G) C) and D)

Question 11

Nicotine is not considered a drug because it does not affect the body physically.

Accepted Answer

A) True 
 B)False

Question 12

Due to experimentation,it was discovered that which structure was involved in the conversion of short-term memories to long-term memories?

Accepted Answer

A)   hippocampus
B)   diencephalon
C)   amygdala
D)   brain stem
E)   cerebellumF) B) and C)
G) A) and C)

Question 13

Which of the following is NOT true about the cerebrum?

Accepted Answer

A)   It is the largest part of the human brain.
B)   The gray matter is outermost.
C)   It is responsible for maintenance of breathing and heart rate.
D)   The two cerebral hemispheres are connected by the corpus callosum.
E)   Association areas integrate information from different lobes.F) B) and E)
G) A) and B)

Question 14

In Figure 17.4,number 3 represents

Accepted Answer

A)   depolarization.
B)   repolarization.
C)   action potential.
D)   threshold.
E)   resting potential.F) C) and D)
G) B) and D)

Question 15

The limbic system is a separate part of the brain located behind the cerebellum on top of the brain stem.

Accepted Answer

A) True 
 B)False

Question 16

Most illicit drugs affect the action of the brain by interfering with the Na+-K+ pump and nerve impulses.

Accepted Answer

A) True 
 B)False

Question 17

A reflex

Accepted Answer

A)   is an automatic, involuntary response.
B)   does not require the central nervous system.
C)   is normally controlled consciously.
D)   has no protective value.
E)   involves only sensory neurons.F) A) and E)
G) B) and E)

Question 18

Explain why a blow to the base of the skull,damaging the medulla oblongata can result in death.

Accepted Answer

The medulla oblongata regulates vital fu...

Question 19

Heroin binds to receptors on neurons that travel from the spinal cord to the region of the brain that feels pleasure.These receptors are normally meant for

Accepted Answer

A)   epinephrine.
B)   norepinephrine.
C)   dopamine.
D)   endorphins.
E)   acetylcholine.F) A) and D)
G) B) and D)

Question 20

Which structure communicates with the prefrontal area of the brain and is involved in learning and memory?

Accepted Answer

A)   hippocampus
B)   amygdala
C)   pineal gland
D)   thalamus
E)   hypothalamusF) B) and D)
G) All of the above

Exam 17: Nervous System

Which structure communicates with the prefrontal area of the brain and is involved in learning and memory?

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The primary functions of the spinal cord involve

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Due to experimentation,it was discovered that which structure was involved in the conversion of short-term memories to long-term memories?

Correct AnswerverifiedShow Answer

A nerve impulse is caused by

Correct AnswerverifiedShow Answer

How fast a person can type or play the piano is ultimately limited by the number of impulses a person can send to their finger muscles per second.This in turn is limited by

Correct AnswerverifiedShow Answer

In Figure 17.4,number 3 represents

Correct AnswerverifiedShow Answer

The limbic system is a separate part of the brain located behind the cerebellum on top of the brain stem.

Correct AnswerverifiedShow Answer

Explain why a blow to the base of the skull,damaging the medulla oblongata can result in death.

Correct AnswerverifiedThe medulla oblongata regulates vital fu...View AnswerShow Answer

Which of the following is NOT true about the cerebrum?

Correct AnswerverifiedShow Answer

Spinal nerves contain

Correct AnswerverifiedShow Answer

Certain people have an inability to speak due to brain damage.The most likely area of the brain that has been damaged is

Correct AnswerverifiedShow Answer

Nicotine is not considered a drug because it does not affect the body physically.

Correct AnswerverifiedShow Answer

List and compare the three classes of neurons.

Correct Answerverified1.Sensory neuron: takes messages form th...View AnswerShow Answer

Which structures are associated with the limbic system?

Correct AnswerverifiedShow Answer

Heroin binds to receptors on neurons that travel from the spinal cord to the region of the brain that feels pleasure.These receptors are normally meant for

Correct AnswerverifiedShow Answer

Since the membrane is more permeable to K+ than to Na+,

Correct AnswerverifiedShow Answer

What are the interconnecting spaces that produce and serve as a reservoir for cerebrospinal fluid in the brain called?

Correct AnswerverifiedShow Answer

Which type of memory is associated with specific facts,persons,and events?

Correct AnswerverifiedShow Answer

Most illicit drugs affect the action of the brain by interfering with the Na+-K+ pump and nerve impulses.

Correct AnswerverifiedShow Answer

A reflex

Correct AnswerverifiedShow Answer

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The medulla oblongata regulates vital fu...
View Answer

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Correct Answer
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1.Sensory neuron: takes messages form th...
View Answer

Correct Answer
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Correct Answer
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Since the membrane is more permeable to K⁺ than to Na⁺,

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Correct Answer
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Most illicit drugs affect the action of the brain by interfering with the Na⁺-K⁺ pump and nerve impulses.

Correct Answer
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Correct Answer
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