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If the partial pressure of carbon dioxide gas in a blood capillary is 45 mm hg, what is the pressure expressed in inches of mercury? 0.059 in. hg 1.8 in. hg 4.5 in. hg 1,100 in. hg 0.87 in. hg
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If the partial pressure of carbon dioxide gas in a blood capillary is 45 mm hg, what is the pressure expressed in inches of mercury? 0.059 in. hg 1.8 in. hg 4.5 in. hg 1,100 in. hg 0.87 in. hg

User Mahdi Tohidloo
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1 Answer

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both inches of mercury and milimeters of mercury are units used to measure pressure .
in. Hg - inches of mercury
mm Hg - millimetres of mercury
1 mm Hg is equivalent to 0.0394 in. Hg
therefore 45 mm Hg is equal to 0.0394 in.Hg/mm Hg x 45 mm Hg = 1.8 in. Hg

correct answer is B - 1.8 in. hg
User C Tierney
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