ANATOMY
LIMB VASCULATURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A HCO3-variable of 20 is
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Acidic
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Normal
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Basic
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None of the above
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Explanation:
Detailed explanation-1: -A normal HCO3 level is 22-26 mEq/L. If the HCO3 is below 22, the patient is acidotic. If the HCO3 is above 26, the patient is alkalotic.
Detailed explanation-2: -pH is in the normal range, so use 7.40 as a cutoff point, in which case it is <7.40, acidosis is present. The PaCO2 is elevated, indicating respiratory acidosis, and the HCO3 is elevated, indicating a metabolic alkalosis.
Detailed explanation-3: -Normal PH means Ratio (HCO3-24 / H2CO3-1.2) is 20 : 1. If this ratio is > 20 it is alkalosis, If < 20 it is acidosis. Metabolism of fat and carbohydrate produces carbon dioxide which is nothing but carbonic acid when dissolved in water. Carbonic acid is volatile acid since it can be expelled as gas CO2.
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