Pharmacology All of the following statements regarding bioavailability of a drug are true except – A It is the propoion (fraction) of unchanged drug that reaches the systemic circulation B Bioavailability of an orally administered drug can be calculated by comparing the Area Under Curve after oral and intravenous (iv) administration C Low oral bioavailability always and necessarily mean poor absorption D Bioavailability can be determined from plasma concentration or urinary excretion data 💡 Explanation All of the following statements regarding bioavailability of a drug are true except - ✓ Correct Answer: C. Low oral bioavailability always and necessarily mean poor absorption