This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System, Subject name: Physiology
The oxygen carrying capacity of an 18-year-old boy with hemoglobin of 14 g/dl is 
Select and explain. 
A. 14, B. 16, C. 18, D. 22
C: 18
Answer: C: 18 
Explanation: Ans. (c) 18(Ref: Ganong, 25th ed/p.640)Oxygen Carrying Capacity of HemoglobinEach gram of hemoglobin transport 1.34 mL of oxygenSo, here in the question, its 14x1.34=18