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Basic kinds of side effects of drug use can include ______.
A. nausea
B. changes in mental alertness
C. dependence
D. All of the above
D
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The unpleasant effect that occurs when use of a drug is stopped is called ______.
A. potency
B. withdrawal
C. metabolism
D. threshold
B
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Which of the following could contribute to individual variability in drug responses?
A. rate of metabolism by the liver
B. acidity of the urine
C. size of the person
D. All of the above
D
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______ is the difference between the dose of drug necessary to cause a therapeutic effect versus the dose necessary to cause a toxic effect.
A. Margin of safety
B. Therapeutic index
C. Synergism
D. Pharmacokinetics
A
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. Select the incorrect statement.
A. A very potent drug often is effective at low doses.
B. Potency is determined by the amount of drug necessary to cause a given effect.
C. Toxicity of a drug is unrelated to its potency.
D. Toxicity is not always related to dosage in a simple linear relationship.
C
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Which of the following can be toxic at sufficiently high doses?
A. aspirin
B. vitamin A
C. table salt
D. All of the above
D
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Which of the following best describes the concept “margin of safety”?
A. It compares the advantages and disadvantages of a drug.
B. It is the same concept as “benefit/risk.”
C. Drugs with steep dose-response curves generally have a wide margin of safety.
D. It is a comparison of dosage for therapeutic versus toxic effects.
D
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The capacity of a drug to do damage or cause adverse effects in the body is called ______.
A. toxicity
B. potency
C. metabolism
D. tolerance
A
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Pharmacologists refer to a perfect drug as a ______.
A. wonder drug
B. super pill
C. magic bullet
D. dynamic drug
C
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Which of the following interactions best describes the analgesic effect when aspirin is combined with acetaminophen?
A. potentiation
B. synergism
C. antagonism
D. additive
D
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What kind of drug effect occurs when one drug cancels or blocks the effect of another?
A. additive interaction
B. antagonistic interaction
C. potentiation
D. interceptive interaction
B
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______ is the ability of one drug to enhance the effect of another.
A. Potency
B. Toxicity
C. Metabolism
D. Synergism
D
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It is estimated that as many as ______ people die each year from mixing alcohol with CNS depressants.
A. 300
B. 500
C. 3000D. 30,000
C
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Which of the following best describes synergistic drug interactions?
A. The effects of two drugs sum together.
B. The effect of one drug does not alter the effect of another drug.
C. The effect of one drug cancels the effect of another.
D. The presence of one drug enhances the effect of another drug.
D
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In determining how drugs affect the body, pharmacologists need to be concerned with ______.
A. administration
B. distribution
C. biotransformation
D. All of the above
D
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The study of factors that influence the distribution and concentration of drugs in the body is called ______.
A. pharmacokinetics
B. pharmacodynamics
C. teratogenics/macrodynamics
D. None of the above
A
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Which of the following statements concerning drugs administered orally is incorrect?
A. This is usually the most convenient form of drug administration.
B. Drugs absorbed from the gut do not get to the liver for metabolism until after they are distributed throughout the body.
C. Some drugs are inactivated by digestive enzymes in the gut when taken orally.
D. The onset of action is usually slower for drugs taken orally than for drugs given intravenously.
B
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The principal forms of drug administration include which of the following?
A. injection
B. oral ingestion
C. inhalation
D. All of the above
D
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Which form of administration is likely to cause the fastest action?
A. intravenous injection
B. intramuscular injection
C. oral ingestion
D. topical application
A
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Drugs administered using which of the following methods can enter the blood almost as quickly as intravenous injection?
A. oral ingestion
B. topical application
C. inhalation
D. intramuscular injection
C
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