Questions with complete solution
2026/2027
When a drug binds to a receptor and prevents a response, how is the drug best described? - correct
answer Antagonist
When a drug binds to a receptor and has a response, how is the drug best described? - correct answer
Agonist
When a drug binds to a receptor and has a diminished response, how is the drug best described? -
correct answer Partial agonist
Which are the pharmacodynamic targets of all drugs? (SATA) - correct answer Enzyme
Cell membrane
Receptor
Which term describes the binding of a drug to a receptor without completely blocking the receptor,
causing a diminished response or effect? - correct answer Partial agonist
A drug that prevents a receptor or enzyme from activating is referred by which term? - correct answer
Antagonist
Naloxone is a drug that blocks the effect of an opioid by binding to the opioid receptor. What is the
receptor interaction that takes place when both morphine (an opioid) and naloxone are taken? - correct
answer Naloxone acts as a competitive antagonist to block the receptor.