This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
The diluent used for BCG is ? 
Select and explain. 
A. Distilled water, B. Normal saline, C. Dextrose solution, D. Ringer - lactate
B: Normal saline
Answer: B: Normal saline 
Explanation: Ans. is 'b' i.e., Normal saline