#february2020usmle2ck
Which one of the following defines the drug efficacy?
A- The capacity a drug to affect a condition irrespective of the dose
B- The dose of a drug needed to produce a maximal effect
C- The impact of the drug on a wide range of patients
D- The minimal amount of drug administered that leads to toxicity
Which one of the following defines the drug efficacy?
A- The capacity a drug to affect a condition irrespective of the dose
B- The dose of a drug needed to produce a maximal effect
C- The impact of the drug on a wide range of patients
D- The minimal amount of drug administered that leads to toxicity