What is the normal range of blood pH? What is the normal level of HCO,7 What is the normal level of PCO,? KEY High CO; > pH high HCO, > pH Low CO, >, pH low HCO, > pH ACID BASE PROBLEM SET 1. A refugee leaving Darfur has only been able to obtain water from ditches at the side of the road. She has been experiencing extreme diarrhea for 24 hours. She is taken to a nearby clinic. Blood pH 7.2 HCO, is 18 mEq/liter pCO, is 32 mmHg a) What is her diagnosis? Is it metabolic or respiratory? 2. A Patient comes into the ER 2 days reporting stomach cramps and difficulty breathing, although his airways are perfectly clear. Blood pH 7.5 pCO, is 40 mmHg HCO, is 28 mEq liter a) What is the diagnosis? Is it metabolic or respiratory? b) What may have caused the problem initially? 3. An infant is rushed to the ER after a meal. It is struggling for breath and appears very cyanotic. Blood pH 7.3 pCO, is 50mmHg HCO, is 26 mEq liter a) What is the diagnosis? Is it metabolic or respiratory?