Arterial acid-base status of a person exercising on a bike corresponds to point 0 on Davenport diagram. Which point on the diagram would represent his mixed venous acid-base status? A. 1 B. 2 C. 3 D. 4 E. 5 F. 6 G. 7 H. 8 1. 9 J. 10 Plasma [HCO3] (mmol/L) 40 30 10 6.8 7.0 PCO₂ (mm Hg) 120 80 60 40 30/ 20 BO 7.2 7.4 pH 7.6 7.8 Buffer line 8.0

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