system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
pO2 pressure at sea level:
assistant
The correct answer is  Ans. (c) 160* At sea level the atmosphere exerts a total pressure of 760mmHg. Since the atmosphere is 21% 02 (by volume), the partial pressure of oxygen (pO,)= 0.21 x 760 = 160 mmHg.* The partial pressure of C02 (pC02) at sea level is 0.23 mmHg.