Normal pO2 in venous blood is:: (A) 40 mmHg, (B) 60 mmHg, (C) 80 mmHg, (D) 95 mmHg
Answer is A. pO2 of the aerial blood = 95 mmHg pO2 of venous blood = 40 mmHg pCO2 of the aerial blood = 40 mmHg pCO2 of venous blood = 45 mmHg