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What is the pH range of extracellular fluid?(a) 7.25 to 730(b) 7.30 to 7.35(c) 7.35 to 7.45(d) 7.50 to 7.60This question was addressed to me in an online quiz.This interesting question is from Spirometry topic in portion Pulmonary Function Analysers of Biomedical Instrumentation

Answer» RIGHT answer is (c) 7.35 to 7.45

The BEST I can explain: The normal pH of the extracellular fluid lies in the range of 7.35 to 7.45, indicating that the BODY fluid is slightly alkaline. When the pH exceeds 7.45, the body is considered to be in a state of alkalosis. A body pH below 7.35 indicates acidosis. Both acidosis or alkalosis are DISEASE conditions widely encountered in clinical medicine.


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