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: Physiology
Basal cardiac output in an adult in nearly: 
Select and explain. 
A. 7.5 litre, B. 5 litre, C. 12 litre, D. 10 litre
B: 5 litre
Answer: B: 5 litre 
Explanation: B i.e. 5 litre