Problem: Which below statements regarding potency and efficacy are TRUE? There are 3 correct answers. Question options: Potent drugs require relatively low doses to stimulate an effect Potent drugs are always highly efficacious (strong) as well Efficacious drugs are stronger than potent drugs Potency and Efficacy are unrelated to one another Efficacious drugs cause a relatively greater maximal response (90% response compared to 40%) Potent drugs are stronger than efficacious drugs