Question 1

Parkinson's disease patients are often treated with dopamine because L-dopa cannot cross the blood-brain barrier.

Accepted Answer

A) True 
 B)False  False

Question 2

Suppose you wanted to prescribe a hypothetical drug that would have an overall excitatory effect on the nervous system.Which would you choose?

Accepted Answer

A)  a glutamate metabolizer
B)  a dopamine metabolizer
C)  a GABA antagonist
D)  a norepinephrine antagonistE) B) and D)
F) B) and C) C

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) B) and D)
F) A) and B)

Question 4

Gated ion channels for sodium and potassium open and close in rapid succession,causing the neuron to depolarize and then return to its normal resting level,during each

Accepted Answer

A)  action potential.
B)  homeostasis.
C)  metabolism.
D)  transporter.E) C) and D)
F) All of the above

Question 5

The process in which enzymes within neurons convert precursors into neurotransmitter molecules is called

Accepted Answer

A)  homeostasis.
B)  uptake.
C)  depolarization.
D)  synthesis.E) A) and B)
F) A) and C)

Question 6

Parasympathetic and sympathetic refer to the two branches of the

Accepted Answer

A)  glia.
B)  axon.
C)  autonomic nervous system.
D)  limbic system.E) C) and D)
F) B) and D)

Question 7

One of the main ways that drugs can affect neurotransmitter systems is by cutting off blood flow to a specific brain structure.

Accepted Answer

A) True 
 B)False

Question 8

The actions of drugs on neurotransmitter systems can be divided into two main types.What are they?

Accepted Answer

Drugs can alter the availability of the ...

Question 9

The ______________ is an important link between the brain and the pituitary gland,and is involved in feeding,drinking,temperature regulation,and sexual behavior.

Accepted Answer

A)  cerebral cortex
B)  cerebellum
C)  limbic system
D)  hypothalamusE) None of the above
F) All of the above

Question 10

In the neuron,neurotransmitters are stored in the myelin sheaths.

Accepted Answer

A) True 
 B)False

Question 11

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 12

The complex branching parts of a neuron that receive information from other neurons are called dendrites.

Accepted Answer

A) True 
 B)False

Question 13

The brain imaging technique that involves injection of radioactive chemicals in order to measure brain function is called

Accepted Answer

A)  positron emission tomography (PET) .
B)  mass spectroscopy.
C)  electron microscopy.
D)  electrochemical detection.E) A) and D)
F) All of the above

Question 14

______________ results from a loss of myelin wrappings.

Accepted Answer

A)  Parkinson's disease
B)  Multiple sclerosis
C)  Schizophrenia
D)  Alzheimer's diseaseE) C) and D)
F) B) and C)

Question 15

Neurotransmitter molecules are released into the small space between two neurons called the

Accepted Answer

A)  transporter.
B)  synapse.
C)  partition.
D)  vesicle.E) A) and B)
F) None of the above

Question 16

channels,which is the mechanism that leads to

Accepted Answer

A)  CNS stimulation.
B)  increased heart rate.
C)  local anesthetic effects.
D)  cocaine dependence.E) A) and B)
F) C) and D) C

Question 17

Weight control,aggression,impulsivity,and psychological depression have all been associated with

Accepted Answer

A)  serotonin pathways.
B)  endorphins.
C)  GABA receptors.
D)  the parasympathetic branch.E) C) and D)
F) A) and D)

Question 18

Neural centers controlling vomiting and respiration are found in the

Accepted Answer

A)  brainstem.
B)  frontal lobe.
C)  cerebellum.
D)  pituitary gland.E) B) and C)
F) A) and B)

Question 19

GABA and glutamate are similar in that they are found throughout the brain and are primarily inhibitory neurotransmitters.

Accepted Answer

A) True 
 B)False

Question 20

Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse,or by

Accepted Answer

A)  acting on the blood-brain barrier.
B)  altering hormone levels.
C)  acting directly on the receptors.
D)  increasing blood pressure.E) All of the above
F) B) and D)

Exam 4: The Nervous System

Parkinson's disease patients are often treated with dopamine because L-dopa cannot cross the blood-brain barrier.

Correct AnswerverifiedFalse

Suppose you wanted to prescribe a hypothetical drug that would have an overall excitatory effect on the nervous system.Which would you choose?

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Gated ion channels for sodium and potassium open and close in rapid succession,causing the neuron to depolarize and then return to its normal resting level,during each

Correct AnswerverifiedShow Answer

The process in which enzymes within neurons convert precursors into neurotransmitter molecules is called

Correct AnswerverifiedShow Answer

Parasympathetic and sympathetic refer to the two branches of the

Correct AnswerverifiedShow Answer

One of the main ways that drugs can affect neurotransmitter systems is by cutting off blood flow to a specific brain structure.

Correct AnswerverifiedShow Answer

The actions of drugs on neurotransmitter systems can be divided into two main types.What are they?

Correct AnswerverifiedDrugs can alter the availability of the ...View AnswerShow Answer

The ______________ is an important link between the brain and the pituitary gland,and is involved in feeding,drinking,temperature regulation,and sexual behavior.

Correct AnswerverifiedShow Answer

In the neuron,neurotransmitters are stored in the myelin sheaths.

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

The complex branching parts of a neuron that receive information from other neurons are called dendrites.

Correct AnswerverifiedShow Answer

The brain imaging technique that involves injection of radioactive chemicals in order to measure brain function is called

Correct AnswerverifiedShow Answer

______________ results from a loss of myelin wrappings.

Correct AnswerverifiedShow Answer

Neurotransmitter molecules are released into the small space between two neurons called the

Correct AnswerverifiedShow Answer

channels,which is the mechanism that leads to

Correct AnswerverifiedC

Weight control,aggression,impulsivity,and psychological depression have all been associated with

Correct AnswerverifiedShow Answer

Neural centers controlling vomiting and respiration are found in the

Correct AnswerverifiedShow Answer

GABA and glutamate are similar in that they are found throughout the brain and are primarily inhibitory neurotransmitters.

Correct AnswerverifiedShow Answer

Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse,or by

Correct AnswerverifiedShow Answer

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False

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C

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Drugs can alter the availability of the ...
View Answer

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C

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