Bioavailability refers to:

A Drug potency

B The fraction of administered drug that reaches systemic circulation in unchanged form

C Drug half-life

D Volume of distribution

✓ Correct Answer: Option B

Bioavailability (F): IV = 100%. Oral is lower due to incomplete absorption and first-pass metabolism. F = AUCoral/AUCiv.

💡 Why is B) the correct answer?

The correct answer to the question "Bioavailability refers to:" is Option B: The fraction of administered drug that reaches systemic circulation in unchanged form.

The other options — A) Drug potency, C) Drug half-life, D) Volume of distribution — are incorrect for this Everyday Science question. As explained above: Bioavailability (F): IV = 100%. Oral is lower due to incomplete absorption and first-pass metabolism. F = AUCoral/AUCiv.

📚 About This Everyday Science Practice Question

This 2-level Everyday Science question from the Human Body & Biology topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Everyday Science practice test or use flashcards for spaced repetition review.

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Bioavailability refers to:

✓ Correct Answer: Option B

📚 About This Everyday Science Practice Question

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