Question 1

Which chemical pathway appears to be important in some types of psychotic behaviour, and in the reinforcing properties of various drugs?

Accepted Answer

A)   Acetylcholine pathway from the nucleus basalis
B)   Serotonin pathway from the raphe nuclei
C)   Mesolimbic dopamine pathway
D)   Glutamate pathwayE) A) and B)
F) C) and D)

Question 2

For a drug to be psychoactive its molecules must be capable of doing what?

Accepted Answer

A)   Block serotonin synthesis.
B)   Influence the sympathetic branch.
C)   Inhibit firing rates of neurons.
D)   Passing through the blood-brain barrier.E) A) and D)
F) C) and D)

Question 3

Which of these is NOT one of the four important regions found in every neuron?

Accepted Answer

A)   Cell body
B)   Dendrites
C)   Axon
D)   GliaE) A) and B)
F) A) and C)

Question 4

MRI and PET are two types of neurotransmitter chemicals.

Accepted Answer

A) True 
 B)False

Question 5

Parkinson's disease produces tremors and muscular rigidity because of damage to which of the following?

Accepted Answer

A)   Acetylcholine neurons in the parasympathetic branch.
B)   Dopamine neurons in the basal ganglia.
C)   Norepinephrine neurons in the locus ceruleus.
D)   The blood-brain barrier.E) None of the above
F) A) and B)

Question 6

The neurotransmitter at the end organ of the sympathetic branch of the autonomic nervous system is which of the following?

Accepted Answer

A)   Serotonin
B)   Dopamine
C)   Norepinephrine
D)   GABAE) A) and B)
F) A) and C)

Question 7

What is the space between two neurons called where the neurotransmitter molecules are released?

Accepted Answer

A)   Transporter
B)   Synapse
C)   Partition
D)   VesicleE) B) and D)
F) A) and D)

Question 8

Which term describes the electrical signal transmitted along the axon when a neuron fires?

Accepted Answer

A)   Lipophilic.
B)   Polarization.
C)   Hyperpolarization.
D)   Action potential.E) C) and D)
F) None of the above

Question 9

What are the limitations of brain imaging (fMRI and PET) technology?

Accepted Answer

Although brain imaging (fMRI and PET) of...

Question 10

Scientists at the University of British Columbia reported that an alcohol extract from the plant "Rhodiola rosea" could assist with which of the following?

Accepted Answer

A)   Paralysis
B)   Memory impaired disorders
C)   Opioid withdrawal symptoms
D)   Parkinson diseaseE) All of the above
F) A) and B)

Question 11

In the MRI, radioactively labelled chemical is injected into the bloodstream, and a computerized scanning device then maps out the relative amounts of the chemical in various brain regions.

Accepted Answer

A) True 
 B)False

Question 12

For drug molecules to readily cross the blood-brain barrier, they must be somewhat lipophilic (soluble in oil).

Accepted Answer

A) True 
 B)False

Question 13

Professor Jordan is an expert in the human nervous system. As his students you were asked to identify the correct term and description, which of the following would you choose?

Accepted Answer

A)   The sympathetic nervous system: effect on the heart rate causes it to decrease.
B)   The parasympathetic nervous system: causes the pupil of the eye to dilate.
C)   Norepinephrine: a neurotransmitter that may be important to appetite regulation.
D)   Acetylcholine: a neurotransmitter that may be important to appetite regulation.E) A) and C)
F) A) and D)

Question 14

Unlike neurons, glial cells in the brain are purely for support and are incapable of communicating with each other.

Accepted Answer

A) True 
 B)False

Question 15

Describe the somatic system.

Accepted Answer

The somatic system is a collection of ne...

Question 16

What is the process called in which enzymes within neurons convert precursors into neurotransmitter molecules?

Accepted Answer

A)   Homeostasis
B)   Uptake
C)   Depolarization
D)   SynthesisE) C) and D)
F) A) and D)

Question 17

Homeostasis can be loosely translated as "moving and fluid."

Accepted Answer

A) True 
 B)False

Question 18

The monoamine theory of mood relates to the treatment of schizophrenia.

Accepted Answer

A) True 
 B)False

Question 19

What are the steps involved in the life cycle of a neurotransmitter?

Accepted Answer

Steps involved are uptake of precursors;...

Question 20

What is the function of the blood-brain barrier?

Accepted Answer

The blood-brain barr...

Exam 4: The Nervous System

What is the process called in which enzymes within neurons convert precursors into neurotransmitter molecules?

Correct AnswerverifiedShow Answer

Scientists at the University of British Columbia reported that an alcohol extract from the plant "Rhodiola rosea" could assist with which of the following?

Correct AnswerverifiedShow Answer

Describe the somatic system.

Correct AnswerverifiedThe somatic system is a collection of ne...View AnswerShow Answer

Which chemical pathway appears to be important in some types of psychotic behaviour, and in the reinforcing properties of various drugs?

Correct AnswerverifiedShow Answer

Unlike neurons, glial cells in the brain are purely for support and are incapable of communicating with each other.

Correct AnswerverifiedShow Answer

For drug molecules to readily cross the blood-brain barrier, they must be somewhat lipophilic (soluble in oil).

Correct AnswerverifiedShow Answer

Professor Jordan is an expert in the human nervous system. As his students you were asked to identify the correct term and description, which of the following would you choose?

Correct AnswerverifiedShow Answer

What are the steps involved in the life cycle of a neurotransmitter?

Correct AnswerverifiedSteps involved are uptake of precursors;...View AnswerShow Answer

Homeostasis can be loosely translated as "moving and fluid."

Correct AnswerverifiedShow Answer

Which of these is NOT one of the four important regions found in every neuron?

Correct AnswerverifiedShow Answer

Which term describes the electrical signal transmitted along the axon when a neuron fires?

Correct AnswerverifiedShow Answer

What is the space between two neurons called where the neurotransmitter molecules are released?

Correct AnswerverifiedShow Answer

MRI and PET are two types of neurotransmitter chemicals.

Correct AnswerverifiedShow Answer

What is the function of the blood-brain barrier?

Correct AnswerverifiedThe blood-brain barr...View AnswerShow Answer

In the MRI, radioactively labelled chemical is injected into the bloodstream, and a computerized scanning device then maps out the relative amounts of the chemical in various brain regions.

Correct AnswerverifiedShow Answer

For a drug to be psychoactive its molecules must be capable of doing what?

Correct AnswerverifiedShow Answer

The neurotransmitter at the end organ of the sympathetic branch of the autonomic nervous system is which of the following?

Correct AnswerverifiedShow Answer

What are the limitations of brain imaging (fMRI and PET) technology?

Correct AnswerverifiedAlthough brain imaging (fMRI and PET) of...View AnswerShow Answer

The monoamine theory of mood relates to the treatment of schizophrenia.

Correct AnswerverifiedShow Answer

Parkinson's disease produces tremors and muscular rigidity because of damage to which of the following?

Correct AnswerverifiedShow Answer

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The somatic system is a collection of ne...
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Steps involved are uptake of precursors;...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The blood-brain barr...
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Correct Answer
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Correct Answer
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Although brain imaging (fMRI and PET) of...
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Correct Answer
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Correct Answer
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