At a dose of 10 mg, drug X lowers total cholesterol by 50 mg/dL, while a maximum drop in
cholesterol of 65 mg/dL is achieved at 40 mg. At a dose of 5 mg, drug Y lowers cholesterol by 50
mg/dL, while a maximum drop in cholesterol of 55 mg/dL is achieved at 10 mg. Which conclusion
should the nurse make about the efficacy and potency of these two drugs?
Drug Y is more potent and has higher efficacy
Drug X is more potent, and drug Y has a higher efficacy
Drug Y is more potent, and drug X has a higher efficacy
Drug X is more potent and has higher efficacy