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
In oxyhemoglobin dissociation curve, the 95°/a
oxygen saturation corresponds __________ oxygen
tension in arterial blood 
Select and explain. 
A. 80 mm Hg, B. 90 mm Hg, C. 60 mm Hg, D. 70 mm Hg
A: 80 mm Hg
Answer: A: 80 mm Hg 
Explanation: None