📌 Introduction
Antidiabetic drugs are essential for managing diabetes mellitus and are a very important topic in pharmacology exams like GPAT, DSSSB, and other pharmacy tests. These MCQs will help you revise classification, mechanism, uses, and side effects quickly.
📝 MCQs on Antidiabetic Drugs
1. Diabetes mellitus is characterized by:
A) Low glucose
B) High glucose
C) Low BP
D) High BP
✔ Answer: B) High glucose
2. Type 1 diabetes is due to:
A) Insulin resistance
B) Insulin deficiency
C) Obesity
D) Hypertension
✔ Answer: B) Insulin deficiency
3. First-line drug for Type 2 diabetes:
A) Insulin
B) Metformin
C) Glibenclamide
D) Pioglitazone
✔ Answer: B) Metformin
4. Insulin is used in:
A) Type 1 only
B) Type 2 only
C) Both
D) None
✔ Answer: C) Both
5. Sulfonylureas act by:
A) Decreasing insulin
B) Increasing insulin secretion
C) Blocking glucose
D) Increasing BP
✔ Answer: B) Increasing insulin secretion
6. Example of sulfonylurea:
A) Metformin
B) Glibenclamide
C) Insulin
D) Pioglitazone
✔ Answer: B) Glibenclamide
7. Metformin acts by:
A) Increasing insulin
B) Decreasing glucose production
C) Increasing BP
D) Increasing fat
✔ Answer: B) Decreasing glucose production
8. DPP-4 inhibitors increase:
A) Insulin breakdown
B) Incretin levels
C) Glucose
D) BP
✔ Answer: B) Incretin levels
9. Example of DPP-4 inhibitor:
A) Sitagliptin
B) Metformin
C) Insulin
D) Pioglitazone
✔ Answer: A) Sitagliptin
10. SGLT-2 inhibitors act by:
A) Increasing insulin
B) Increasing glucose excretion
C) Blocking calcium
D) Reducing urine
✔ Answer: B) Increasing glucose excretion
11. Example of SGLT-2 inhibitor:
A) Metformin
B) Dapagliflozin
C) Insulin
D) Glibenclamide
✔ Answer: B) Dapagliflozin
12. Common side effect:
A) Hyperglycemia
B) Hypoglycemia
C) Fever
D) Pain
✔ Answer: B) Hypoglycemia
13. Insulin lowers:
A) BP
B) Glucose
C) Oxygen
D) Protein
✔ Answer: B) Glucose
14. Thiazolidinediones improve:
A) BP
B) Insulin sensitivity
C) Oxygen
D) Protein
✔ Answer: B) Insulin sensitivity
15. Example of TZD:
A) Pioglitazone
B) Metformin
C) Insulin
D) Sitagliptin
✔ Answer: A) Pioglitazone
16. Diabetes affects:
A) Heart
B) Kidney
C) Eyes
D) All
✔ Answer: D) All
17. Antidiabetic drugs are used in:
A) Infection
B) Diabetes
C) Cancer
D) Pain
✔ Answer: B) Diabetes
18. Metformin side effect:
A) Hypoglycemia
B) GI upset
C) Fever
D) Pain
✔ Answer: B) GI upset
19. Rare side effect of metformin:
A) Cancer
B) Lactic acidosis
C) Infection
D) Pain
✔ Answer: B) Lactic acidosis
20. Which increases insulin secretion?
A) Metformin
B) Sulfonylureas
C) Insulin
D) TZD
✔ Answer: B) Sulfonylureas
21. Which does not cause hypoglycemia?
A) Metformin
B) Insulin
C) Sulfonylureas
D) Meglitinides
✔ Answer: A) Metformin
22. Which is injectable?
A) Metformin
B) Insulin
C) Sitagliptin
D) Pioglitazone
✔ Answer: B) Insulin
23. SGLT-2 inhibitors act on:
A) Liver
B) Kidney
C) Heart
D) Brain
✔ Answer: B) Kidney
24. Diabetes leads to:
A) Low sugar
B) High sugar
C) Low BP
D) Low oxygen
✔ Answer: B) High sugar
25. Which improves insulin sensitivity?
A) TZD
B) Insulin
C) Metformin
D) Sulfonylurea
✔ Answer: A) TZD
26. Which decreases hepatic glucose production?
A) Metformin
B) Insulin
C) TZD
D) DPP-4
✔ Answer: A) Metformin
27. Which increases incretin effect?
A) DPP-4 inhibitors
B) Insulin
C) TZD
D) Sulfonylureas
✔ Answer: A) DPP-4 inhibitors
28. Which causes weight gain?
A) Insulin
B) Metformin
C) DPP-4
D) SGLT-2
✔ Answer: A) Insulin
29. Which drug is safest first-line?
A) Insulin
B) Metformin
C) TZD
D) Sulfonylurea
✔ Answer: B) Metformin
30. Best use of antidiabetics:
A) Infection
B) Diabetes
C) Pain
D) Cancer
✔ Answer: B) Diabetes
🎯 Conclusion
These 30 MCQs on antidiabetic drugs will help you strengthen pharmacology concepts and improve exam performance. Practice daily for best results.
👉 Read full notes here: https://pharmacymcq.in/antidiabetic-drugs-classification-mechanism-uses/