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
Fick principle of calculation of cardiac output doesn't depend on- 
Select and explain. 
A. Whole body oxygen consumption, B. Oxygen content of arterial blood, C. Stroke volume, D. Oxygen content of venous blood
C: Stroke volume
Answer: C: Stroke volume 
Explanation: Based on Fick principle