Which term describes the duration of a drug's effects?

Prepare for the EMT Pharmacology Test with a mix of challenging questions designed to mirror the exam format. Review key concepts, utilize questions with hints, and gain confidence to succeed on your test.

Multiple Choice

Which term describes the duration of a drug's effects?

Explanation:
Duration of action is the length of time the drug’s therapeutic effects are evident after administration. It reflects how long the drug continues to act in the body, influenced by factors like how quickly it’s eliminated and distributed. This differs from onset of action, which is the time to the first noticeable effect; bioavailability, which is how much of the drug reaches the circulation to have an effect; and peak effect, which is the point at which the drug’s effect is strongest. So, the term describing how long the effects last is duration of action.

Duration of action is the length of time the drug’s therapeutic effects are evident after administration. It reflects how long the drug continues to act in the body, influenced by factors like how quickly it’s eliminated and distributed. This differs from onset of action, which is the time to the first noticeable effect; bioavailability, which is how much of the drug reaches the circulation to have an effect; and peak effect, which is the point at which the drug’s effect is strongest. So, the term describing how long the effects last is duration of action.

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