Question 1

The group of psychoactive drugs called stimulants includes

Accepted Answer

A)  cocaine.
B)  Prozac.
C)  LSD.
D)  heroin.

Question 2

Alcohol has a low tendency,but THC has a high tendency,to

Accepted Answer

A)  bind to the serotonin receptor.
B)  dissolve in water.
C)  bind to blood proteins.
D)  produce dependence.

Question 3

After oral administration,most absorption of the drug molecules takes place in the

Accepted Answer

A)  small intestine.
B)  kidneys.
C)  heart.
D)  lower bowel.

Question 4

There are many different routes by which drugs can be administered.Describe the pros and cons of the oral route versus the intravenous route.

Accepted Answer

Oral administration: pros are simpler an...

Question 5

Because the effects of stimulants and depressants counteract each other,taking these drugs in combination does not produce intoxication.

Accepted Answer

A) True 
 B)False

Question 6

Marijuana and heroin are both considered to be opioid drugs.

Accepted Answer

A) True 
 B)False

Question 7

Among the psychoactive drugs,alcohol can be classified as a(n)

Accepted Answer

A)  stimulant.
B)  opioid.
C)  hallucinogen.
D)  depressant.

Question 8

-Describe three mechanisms that might explain why an alcohol-dependent individual might have to take more of the drug to experience the same effects.

Accepted Answer

The three mechanisms are 1)drug disposit...

Question 9

The threshold on a dose-response curve is the

Accepted Answer

A)  point at which the dose of the drug causes maximal response.
B)  lowest dose at which there is an observable effect of the drug.
C)  safe effective dose of the drug.
D)  therapeutic index of the drug.

Question 10

In some cases,repeated use of a drug leads to pharmacodynamic tolerance,which is based on

Accepted Answer

A)  altered liver function.
B)  learning.
C)  reduced sensitivity of neurons.
D)  slower metabolism.

Question 11

Most drugs have three different kinds of names.Which of them belongs to a specific manufacturer?

Accepted Answer

A)  chemical name
B)  generic name
C)  brand name
D)  research name

Question 12

The potency of a drug is defined in terms of

Accepted Answer

A)  the magnitude of the effect it produces.
B)  its dependence potential.
C)  whether it has a detectible odor.
D)  the amount required to produce an effect.

Question 13

For many psychoactive drugs,such as nicotine and cocaine,the fastest way to get an effect is by inhaling the drug's vapors.

Accepted Answer

A) True 
 B)False

Question 14

The time course of a drug's action depends on

Accepted Answer

A)  how the drug is administered.
B)  how rapidly the drug is absorbed.
C)  how the drug is eliminated from the body.
D)  all of the above.

Question 15

Regardless of the route of administration,psychoactive drugs reach the brain tissue by way of the

Accepted Answer

A)  meninges.
B)  spinal cord.
C)  bloodstream.
D)  liver.

Question 16

Most of our drugs originally came either directly or indirectly from

Accepted Answer

A)  South America.
B)  plants.
C)  petroleum.
D)  German chemists.

Question 17

Which of these is given its own classification category,due to its complex effects at different doses?

Accepted Answer

A)  cocaine
B)  marijuana
C)  Abilify
D)  caffeine

Question 18

Describe three factors that can influence the time course of the behavioral effect of a drug,and show that you understand how each factor influences the time course.

Accepted Answer

1)route of administration,2)speed of abs...

Question 19

Some drugs may act on all types of neurons by

Accepted Answer

A)  blocking all receptor types.
B)  interfering with metabolism.
C)  preventing absorption of nutrients.
D)  altering the electrical potential across the cell membrane.

Question 20

A drug's generic name can only be used by one company.

Accepted Answer

A) True 
 B)False

Exam 5: The Actions of Drugs

The group of psychoactive drugs called stimulants includes

Correct AnswerverifiedShow Answer

Marijuana and heroin are both considered to be opioid drugs.

Correct AnswerverifiedShow Answer

The time course of a drug's action depends on

Correct AnswerverifiedShow Answer

The potency of a drug is defined in terms of

Correct AnswerverifiedShow Answer

Some drugs may act on all types of neurons by

Correct AnswerverifiedShow Answer

The threshold on a dose-response curve is the

Correct AnswerverifiedShow Answer

There are many different routes by which drugs can be administered.Describe the pros and cons of the oral route versus the intravenous route.

Correct AnswerverifiedOral administration: pros are simpler an...View AnswerShow Answer

Regardless of the route of administration,psychoactive drugs reach the brain tissue by way of the

Correct AnswerverifiedShow Answer

-Describe three mechanisms that might explain why an alcohol-dependent individual might have to take more of the drug to experience the same effects.

Correct AnswerverifiedThe three mechanisms are 1)drug disposit...View AnswerShow Answer

Which of these is given its own classification category,due to its complex effects at different doses?

Correct AnswerverifiedShow Answer

For many psychoactive drugs,such as nicotine and cocaine,the fastest way to get an effect is by inhaling the drug's vapors.

Correct AnswerverifiedShow Answer

Because the effects of stimulants and depressants counteract each other,taking these drugs in combination does not produce intoxication.

Correct AnswerverifiedShow Answer

A drug's generic name can only be used by one company.

Correct AnswerverifiedShow Answer

In some cases,repeated use of a drug leads to pharmacodynamic tolerance,which is based on

Correct AnswerverifiedShow Answer

Among the psychoactive drugs,alcohol can be classified as a(n)

Correct AnswerverifiedShow Answer

Most of our drugs originally came either directly or indirectly from

Correct AnswerverifiedShow Answer

After oral administration,most absorption of the drug molecules takes place in the

Correct AnswerverifiedShow Answer

Most drugs have three different kinds of names.Which of them belongs to a specific manufacturer?

Correct AnswerverifiedShow Answer

Describe three factors that can influence the time course of the behavioral effect of a drug,and show that you understand how each factor influences the time course.

Correct Answerverified1)route of administration,2)speed of abs...View AnswerShow Answer

Alcohol has a low tendency,but THC has a high tendency,to

Correct AnswerverifiedShow Answer

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Oral administration: pros are simpler an...
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The three mechanisms are 1)drug disposit...
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Correct Answer
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Correct Answer
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1)route of administration,2)speed of abs...
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Correct Answer
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