AVA Certification Exam
White Blood Cells - correct answer Leukocytes:
Normal= 4.5-10 thousand per microliter
Leukocytosis - correct answer Increase in WBC in circulating blood
Possible causes- infection, hemorrhage, coronary occlusion, malignancies,
pregnancy, toxemia
Appropriateness of CVAD with Leukocytosis - correct answer Increased WBC with
fever= may want to hold
Increased WBC due to leukemia= may need for chemo immediately
Platelets - correct answer Normal range in adults 150-140 thousand per mcL
Platelet count of 6-37 thousand - correct answer Usual lower limit for safe CVAD
insertion into major thoracic vein
Platelet count of less than 150 thousand - correct answer More acceptable platelet
count for PICC insertion
Factors- judgement of clinician, skill of inserter, platelet transfusion needs
Creatinine - correct answer Chemical waste molecule generated from muscle
metabolism. Transported in the blood to the kidneys and excreted in urine. Serum
levels are a measure of kidney function
Normal Range of Creatinine - correct answer Male- 0.6-1.2mg/dL
Female- 0.5-1.1mg/dL
Elevated Creatinine - correct answer Greater than 2mg/dL
