Overview Efficacy maximum effect that a drug can produce regardless of dose Potency amount of a drug that is needed to produce a given effect e.g., EC50 is the concentration or dose of drug that causes 50% of maximum effect determined by affinity of drug for receptor and number of receptors available
QUESTIONS 1 of 2 1 2 Previous Next Sorry, this question is for PEAK Premium Subscribers Only Upgrade to PEAK (M1.PH.75) A laboratory is conducting a study to assess the safety, efficacy, and potency of a group of drugs before allowing the agents to proceed to clinical trials. Figure A shows the dose-response curves for four different drugs from the same class of medications (Drugs A, B, C, & D). Which of the following is true regarding these medications? Review Topic QID: 106864 FIGURES: A 1 Drug A has greater efficacy than Drug D 10% (2/21) 2 Drug D has greater efficacy than Drug A 0% (0/21) 3 Drug A has greater potency than Drug D 81% (17/21) 4 Drug D has greater potency than Drug A 0% (0/21) 5 All four drugs (A,B,C,D) have equal potencies 5% (1/21) Select Answer to see Preferred Response PREFERRED RESPONSE 3
Efficacy vs Potency Pharmacology - Efficacy vs. Potency - Treatment Consult good video 2/1/2016 32 views