Q. If drug has pKa value of 3 then at pH value of 7 what would be the degree of ionisation of the drug?
✅ Correct Answer: (A)
Majority portion would be ionised
Biopharmaceutics and Pharmacokinetic MCQs and Notes
Q. Maximum movement of drug across the membrane occurs by
✅ Correct Answer: (B)
Unionised
Q. Rate of absorption of drug by passive diffusion is maximum in
✅ Correct Answer: (A)
Small intestine
Q. When the active transport system become saturated, the rate process become
✅ Correct Answer: (A)
Zero order
Q. Which of the following is characteristic of the oral route?
✅ Correct Answer: (A)
Absorption depends on GI tract secretion and motor function
Q. If drug administered by Intravenous route appears in feaces, it implies that the drug
✅ Correct Answer: (B)
Undergoes enterohepatic recycling
Q. Which route of drug administration shows 100% Bioavailability?
✅ Correct Answer: (B)
Intravenous
Q. The delivery of a drug through the skin is known as
✅ Correct Answer: (B)
Transdermal
Q. Fick's law is used for study of
✅ Correct Answer: (D)
Diffusion rate
Q. The absorption of drugs like (quaternary ammonium compounds, sulphonic acid) are explained by
✅ Correct Answer: (A)
Ion pair transport