Pharmacology Loading dose of 25mg was needed to achieve 0.5mg / L of Plasma concentration. Volume of distribution is 40L. Calculate the Bioavailabity A 40% B 50% C 80% D 70% 💡 Explanation Loading dose of 25mg was needed to achieve 0.5mg / L of Plasma concentration. Volume of distribution is 40L. Calculate the Bioavailabity ✓ Correct Answer: C. 80%