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

The drug with a high efficacy must be of high potency too

The potency of morphine is less than that of A: meperidine B: sufentanil C: codeine D: methadone

The concentration or dose at which drugs produce equivalent effects is called A: efficacy B: potency C: excitation D: inhibition E: agonist

The passage is mainly concerned with ______. A: the importance of eye contact B: the potency of non-verbal techniques C: successful speech delivery D: an effective way to gain visual feedback

Using chemical analysis and instrumental analysis to determine drug content is referred to as ( ) in drug quality standards. A: potency determination B: biological standardization C: content determination D: drug control