Biopharmaceutics | Biopharmaceutics & Pharmacokinetics | GPAT Mock Test

1. According to the pH-partition hypothesis, a weakly acidic drug with a pKa of 4.4 will be most rapidly absorbed from the:

2. The transport of glucose into an erythrocyte is an example of:

3. Which of the following dosage forms generally exhibits the fastest rate of absorption?

4. The presence of food in the gastrointestinal tract can significantly reduce the absorption of which of the following drugs by chelation?

5. The ‘first-pass effect’ refers to the pre-systemic metabolism of a drug primarily in the:

6. The area under the plasma concentration-time curve (AUC) is a direct measure of the:

7. For optimal passive absorption, a drug should possess:

8. Which absorption mechanism can move a drug against a concentration gradient and requires energy?

9. The primary purpose of an enteric coating on a tablet is to:

10. In a plasma concentration-time profile, Tmax represents the:

11. A decrease in gastric emptying rate would most likely:

12. The reversible transfer of a drug from the systemic circulation to the tissues is known as:

13. The Noyes-Whitney equation is fundamental in biopharmaceutics as it describes the rate of:

14. Pinocytosis is a significant mechanism of absorption for:

15. Co-administration of Probenecid with Penicillin leads to:

16. Phase I metabolic reactions primarily involve:

17. The term ‘bioavailability’ refers to the:

18. The process of reducing the particle size of a poorly soluble drug powder to improve its absorption is known as:

19. A drug with a high partition coefficient (log P) is generally:

20. Carrier-mediated transport is characterized by:

21. In congestive heart failure, reduced blood flow to the GI tract can lead to:

22. What is a primary consideration for the formulation of a drug as a suspension for oral administration?

23. Two drug products are considered bioequivalent if:

24. The apparent volume of distribution (Vd) relates the:

25. Polymorphism, the ability of a substance to exist in different crystalline forms, can significantly influence a drug’s: