Question

The area under the serum concentration time curve represents the ______.

• A. biological half-life of the drug
• B. amount of drug absorbed
• C. amount of drug excreted in the urine
• D. amount of drug in the original dosage form

Hint:

AUC = total drug exposure = total amount absorbed systemically.

Answer 1

The Correct Option is B

The area under the curve (AUC) in a serum concentration-time plot indicates the extent of drug absorption — it quantifies the total exposure of the body to the drug over time.