True statements about potency and efficacy include which of the followings?
A: The slope of the dose-response curve gives a good idea of a drug’s efficacy
B: Potency refers to different amounts of two or more drugs that are needed to produce the same effect
C: The log dose-response curve allows comparison of the relative potency of two drugs but not a comparison of their efficacy
D: Potency and efficacy are unrelated properties
A: The slope of the dose-response curve gives a good idea of a drug’s efficacy
B: Potency refers to different amounts of two or more drugs that are needed to produce the same effect
C: The log dose-response curve allows comparison of the relative potency of two drugs but not a comparison of their efficacy
D: Potency and efficacy are unrelated properties
举一反三
- The concentration or dose at which drugs produce equivalent effects is called A: efficacy B: potency C: excitation D: inhibition E: agonist
- The drug with a high efficacy must be of high potency too
- Efficacy means A: the concentration at which the drug elicits 50% of its maximal effect B: the maximal effect produced by the drug C: the dose at which 50% of subjects exhibit a therapeutic response to a drug D: the dose at which 50% of subjects dies E: the dose at which 50% of subjects exhibit a toxic reaction
- Drug efficacy refers to A: the range of diseases in which the drug is beneficial B: the maximal intensity of response that can be produced by the drug C: the therapeutic dose range of the drug D: the therapeutic index of the drug E: the minimal intensity of response that can be produced by the drug
- Which of the following belongs to the drug factors affecting drug efficacy? A: Dosage form B: Dose C: Age D: Gender E: Race