Paial pressure of O2 at atmospheric pressure of 760 mm of Hg: (A) 76 mm of Hg, (B) 160 mm of Hg, (C) 120 mm of Hg, (D) 140 mm of Hg
Answer is B. Paial pressure of oxygen at atmospheric pressure is 160 mm HG Ref: guyton and hall textbook of medical physiology 12 edition page number:311,312,313