NPTE exam questions with correct answers

what does an arterial blood gas test collect - Answer pH -tightly regulated as an imbalance in either direction can affect the NS and cause convulsions or coma. PaCO2 - changes in PaCO2 directly affect the balance of pH in the body PaO2 % oxygen saturation of Hb (SaO2) HCO3- - keeps blood from becoming to acidic or too basic all tell us how well the lungs are functioning to oxygenate the blood pH norms - Answer 7.4 (7.35-7.45) PaCO2 - Answer 40 mmHg PaO2 norm - Answer 97 mmHG HCO3- norm - Answer 24 mEq/L (22-26) SaO2 - Answer 95-97% Acidemia - Answer elevated acidity of blood (pH < 7.35) Alkalemia - Answer decreased acidity of blood (pH > 7.45) Eucapnia - Answer Normal level of CO2 in arterial blood