MCQ Quiz | General Principles

1. The term ‘bioavailability’ refers to the:

2. First-pass metabolism primarily occurs in which organ?

3. A drug with a high volume of distribution (Vd) is most likely to be:

4. Phase I drug metabolism reactions typically involve:

5. A drug that binds to a receptor and produces the maximal possible response is called a(n):

6. The ‘therapeutic index’ of a drug is the ratio of:

7. Zero-order elimination kinetics means that:

8. Which of the following is an example of a G-protein coupled receptor (GPCR)?

9. A prodrug is a compound that is:

10. Drug ‘potency’ refers to:

11. A competitive antagonist shifts the agonist dose-response curve to the:

12. The primary site of drug excretion is the:

13. The most important plasma protein for drug binding is:

14. What is the main purpose of a loading dose?

15. An idiosyncratic drug reaction is best described as:

16. Drug clearance (CL) is defined as:

17. Weakly acidic drugs are best absorbed from an acidic environment like the stomach because they are primarily in which form?

18. The phenomenon where the effect of a drug gradually diminishes when it is given continuously or repeatedly is known as:

19. The concept of ‘spare receptors’ implies that:

20. Which route of administration completely avoids first-pass metabolism?

21. Drug ‘efficacy’ is a measure of:

22. Enterohepatic circulation can significantly prolong a drug’s:

23. Cytochrome P450 enzymes are primarily involved in which type of reaction?

24. What does the term ‘teratogenicity’ refer to?

25. When the combined effect of two drugs is greater than the sum of their individual effects, it is called: