At 37° C, water vapor exerts a partial pressure of ____ mm Hg and contains _____ mg H2O/L
a. 43.9; 47 c. 44; 44
b. 47; 43.9 d. 100; 100
ANS: B
At sea level, a gas at body temperature (37° C), at a pressure of 47 mm Hg, and at a saturation of 100% will contain 43.9 mg of water per liter of gas.
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