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: Pharmacology
Concentration of adrenaline in CPR is ? 
Select and explain. 
A. 1: 10 lakhs, B. 1 : 1 lakhs, C. 1 : 10,000, D. 0.736111111
D: 0.736111111
Answer: D: 0.736111111 
Explanation: Ans. is 'd' i.e., 1:1000 Epinephrine (1 : 1000 concentration) is the drug of choice in CPR.