Q. What is characteristic of the oral route?
✅ Correct Answer: (B)
Absorption depends on GI tract secretion and motor function
Biopharmaceutics and Pharmacokinetic MCQs and Notes
Q. The main mechanism of most drugs absorption in GI tract is:
✅ Correct Answer: (D)
Passive diffusion (lipid diffusion)
Q. ………….is used to study gastric emptying.
✅ Correct Answer: (A)
Barium sulphate
Q. When the solvent in association with the drug is water, the solvate is known as
✅ Correct Answer: (C)
hydrate
Q. Drugs undergoing first pass metabolism are advised not to be administered through
✅ Correct Answer: (D)
Tr
Q. Which of the following forms inclusion complex and improves aqueous solubility and dissolution rate?
✅ Correct Answer: (A)
Cyclodextrins
Q. Amorphous forms of drugs are
✅ Correct Answer: (B)
more soluble than crystal forms
Q. Noyes and Whitney equation is used to describe____________
✅ Correct Answer: (B)
Dissolution
Q. According to pH partition theory, a weak acidic drug will most likely be absorbed from the stomach because the drug which exists primarily in the………….
✅ Correct Answer: (A)
un-ionised, more lipid soluble form
Q. The order of dissolution and absorption for different solid dosage forms is
✅ Correct Answer: (B)
Amorphous > meta-stable > stable