Identify a difference between agonists and antagonists.
A. Agonists bind to receptors and prevent them from being activated, while antagonists bind to receptors to activate them.
B. Agonists bind to a specific receptor site in the body, while antagonists can bind to any receptor site in the body.
C. A typical example of an agonist is naloxone, while a typical example of an antagonist is morphine.
D. Agonists bind to specific receptors to trigger a drug action, while antagonists bind to specific receptors to block a drug action.
Answer: D
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