Physiology – MCQ 80 – Oxygen tension in blood

One intem calculated the concentration of O2 in blood as 0.0025 ml/ml of blood. Considering atmospheric pressure as 760mmHg, how much approx. O2 tension could have been in the blood ?
A. 40mmHg
B. 60mmHg
C. 80mmHg
D. 100mmHg

Correct answer : C. 80mmHg

(Calculated using a table given in Ganong.)

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