alleryAbout what pO2 gives 50% haemoglobin saturation (P50) in a healthy person?
A26.6 mmHg
B60 mmHg
C104 mmHg
D5 mmHg
Answer & Solution
Correct answer: A. 26.6 mmHg
The P50 of normal adult blood is about 26.6 mmHg, a standard measure of haemoglobin's oxygen affinity.
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