MedSurg ATI Lab Values Questions with correct answers

Albumin correct answer - 3.5-5 g/dL (decrease indicates hepatic disease) aPTT correct answer - 1.5-2 times normal range of 30-40 seconds (monitored for Heparin therapy) Calcium (Ca) correct answer - 9-10.5 mg/dL Hypo: CATS Convulsions, Arrythmias, Tetany/muscle twitches, spasms and stridor paresthesia of fingers/lips, positive Chvostek's/Trosseau's, decreased myocardial contractility, prolonged QT and ST (administer IV calcium, implement seizure precautions) Hyper: muscle weakness, lack of coordination, abdominal pain, confusion, absent tendon reflexes, shallow respirations, emergency! Creatinine phosphokinase MB (CK-MB) correct answer - 30-70 units/L Also found in skeletal muscle, but will be increased with MI. Rule out skeletal muscle injury first. *Increases 4-6 hrs after MI and remains elevated 24-72hrs RBC correct answer - Female- 4.2-5.4 million Male- 4.7-6.1 million WBC correct answer - 5,000-10,000