Question 1

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on

Accepted Answer

A)  blood sugar level.
B)  the type of receptor.
C)  the rate of synthesis.
D)  enzyme actions.E) B) and C)
F) A) and C)

Question 2

Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called

Accepted Answer

A)  amphetamines.
B)  depressants.
C)  endorphins.
D)  ecstasy.E) C) and D)
F) B) and C)

Question 3

-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 4

Cocaine selectively blocks Na+ (sodium) 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) A) and C)

Question 5

Which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory?

Accepted Answer

A)  serotonin
B)  dopamine
C)  GABA
D)  norepinephrineE) A) and C)
F) A) and B)

Question 6

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) B) and D)
F) B) and C)

Question 7

The process of maintaining our internal environment (temperature,water balance,etc.) within certain limits is called

Accepted Answer

A)  the blood-brain barrier.
B)  sympathetic.
C)  homeostasis.
D)  inhibition.E) B) and D)
F) A) and B)

Question 8

Parkinson's disease produces tremors and muscular rigidity because of damage to

Accepted Answer

A)  acetylcholine neurons in the parasympathetic branch.
B)  dopamine neurons in the nigrostriatal pathway.
C)  norepinephrine neurons in the locus ceruleus.
D)  the blood-brain barrier.E) None of the above
F) A) and B)

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Which chemical pathway appears to be important both in some types of psychotic behavior 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) B) and D)
F) B) and C)

Question 11

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) A) and D)
F) A) and C)

Question 12

Neural centers controlling vomiting and respiration are found in the

Accepted Answer

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

Question 13

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) All of the above
F) A) and D)

Question 14

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

Accepted Answer

A) True 
 B)False

Exam 4: The Nervous System

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

Correct Answer
verified

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

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

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on

Correct Answer
verified

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 Answer
verified

Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called

Correct Answer
verified

Neural centers controlling vomiting and respiration are found in the

Correct Answer
verified

Which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory?

Correct Answer
verified

Cocaine selectively blocks Na+ (sodium) channels,which is the mechanism that leads to

Correct Answer
verified

Parkinson's disease produces tremors and muscular rigidity because of damage to

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

The process of maintaining our internal environment (temperature,water balance,etc.) within certain limits is called

Correct Answer
verified

Exam 4: The Nervous System

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

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

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on

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

Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called

Correct AnswerverifiedShow Answer

Neural centers controlling vomiting and respiration are found in the

Correct AnswerverifiedShow Answer

Which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory?

Correct AnswerverifiedShow Answer

Cocaine selectively blocks Na+ (sodium) channels,which is the mechanism that leads to

Correct AnswerverifiedShow Answer

Parkinson's disease produces tremors and muscular rigidity because of damage to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

The process of maintaining our internal environment (temperature,water balance,etc.) within certain limits is called

Correct AnswerverifiedShow Answer

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

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Correct Answer
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Correct Answer
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