The concentration or dose at which drugs produce equivalent effects is called
A: efficacy
B: potency
C: excitation
D: inhibition
E: agonist
A: efficacy
B: potency
C: excitation
D: inhibition
E: agonist
举一反三
- 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
- 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
- A drug combine with the receptors and show its effects, the drug is called A: partial agonist B: agonist C: noncompetitive antagonist D: competitive antagonist E: blocker
- Clinical trial IV (四期临床实验) is ( ) A: focusing on the effects on body functions, dose definition, pharmacokinetics B: focusing on the effects on disease: safety, efficacy dose, pharmacokinetics C: focusing on effects about patient groups compared with standard therapy FDA approval D: long-term benefit- risk evaluation
- Which of the following belongs to the drug factors affecting drug efficacy? A: Dosage form B: Dose C: Age D: Gender E: Race