As one moves up in altitude, the atmospheric pressure decreases. In Vail, CO (altitude 8022 ft or 2445 m), the atmospheric pressure is approximately 570 mmHg. What would the partial pressure of oxygen be in Vail?

A. 21%
B. The PO2 cannot be calculated from the available information.
C. 120 mm Hg
D. 160 mm Hg


Answer: C. 120 mm Hg

Anatomy & Physiology

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