Pharmacology ‘Bioavailability’ is defined as: A The volume of plasma completely cleared of a specific compound per unit time and measured as a test of kidney function B The percentage of drug that is detected in the systemic circulation after its administration C Both D None 💡 Explanation 'Bioavailability' is defined as: ✓ Correct Answer: B. The percentage of drug that is detected in the systemic circulation after its administration