The partial pressure of water vapor is 47 mm Hg at a body temperature (37°C). If the barometric pressure is 708 mm Hg, what is the partial pressure of oxygen in the lungs of a patient inspiring a gas mixture containing 40% oxygen?Answer: ____________
What will be an ideal response?
P = (Pbarometric- PH20)(fractional concentration)
P = (708 - 47)(0.4) = 264 mm Hg
Health Professions
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A(n) _________ is an instrument used to measure blood pressure
a. sphygmomanometer b. stethoscope. c. endoscope. d. microscope.
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7025 ÷ 1000
What will be an ideal response?
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Milliequivalents and international units indicate the:
A. masses of certain drugs B. volumes of certain drugs C. strengths of certain drugs D. weights of certain drugs
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The direction of the "P" wave in a junctional rhythm most often has a(n) ________ deflection from the isoelectric line.
A. positive B. negative C. neutral D. antigrade
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