This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
Diuretic that is useful in mild to moderate hypertension is: 
Select and explain. 
A. Loop diuretics, B. Thiazides, C. Osmotic diuretics, D. Potassium sparing diuretics
B: Thiazides
Answer: B: Thiazides 
Explanation: Ans. (B) Thiazides(Ref: Harrison 19th/e p1623)Thiazides are not only diuretics of choice for mild to moderate hypertension but also the first line antihypertensive drugs in these patients.