ATI RN
Diabetes drugs Questions
Question 1 of 4
The antidiabetic agent most likely to cause lactic acidosis is
Correct Answer: B
Rationale: Phenformin has a higher risk of lactic acidosis than metformin, leading to its withdrawal in many regions.
Question 2 of 4
The agent with negligible mineralocorticoid effect is
Correct Answer: B
Rationale: Betamethasone has minimal mineralocorticoid activity, unlike fludrocortisone (strong) or cortisol.
Question 3 of 4
A diabetic on oral hypoglycaemic drug chlorpropamide, suffered from enteric fever and was prescribed chloramphenicol. He developed severe hypoglycaemia. This is because
Correct Answer: D
Rationale: Chloramphenicol inhibits CYP enzymes, slowing chlorpropamide metabolism and prolonging its hypoglycemic effect.
Question 4 of 4
Diuretic effective in diabetes insipidus is
Correct Answer: A
Rationale: Thiazides paradoxically reduce urine volume in diabetes insipidus by enhancing proximal reabsorption.