This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypeension, Arrhythmias, Dyslipidemia, Subject name: Pharmacology
Initial drug to sta with newly detected hypeension in an 42 years old male with calcium stones is:- 
Select and explain. 
A. Furosemide, B. Losaan, C. Atenolol, D. Chlohalidone
D: Chlohalidone
Answer: D: Chlohalidone 
Explanation: Chlohalidone is a thiazide like diuretic which is a one of the first line drugs for hypeension. It is preferred since it decreases calcium excretion and Ca2+ do not deposits in kidney so prevent the formation of calcium stones. Furosemide (Loop diuretic)- Increases Ca2+ excretion and can precipitate the condition of pt.