ASCP EXAM STUDY GUIDE/ASCP EXAM STUDY GUIDE 2024, Exams of Nursing

Download ASCP EXAM STUDY GUIDE/ASCP EXAM STUDY GUIDE 2024 and more Exams Nursing in PDF only on Docsity! ASCP EXAM STUDY GUIDE Bilirubin, total reference range Correct Answer: 0.2 - 1 mg/dL BUN reference range Correct Answer: 6 - 20 mg/dL Calcium, total reference range Correct Answer: 8.6 - 10 mg/dL Chloride reference range Correct Answer: 98 - 107 mEq/L Creatinine (male) reference range Correct Answer: 0.9 - 1.2 mg/dL Creatinine (female) reference range Correct Answer: 0.6 - 1.1 mg/dL Glucose, fasting reference range Correct Answer: 70-99 mg/dL Potassium reference range Correct Answer: 3.5 - 5.1 mEq/L Sodium reference range Correct Answer: 136 - 145 mEq/L Total protein reference range Correct Answer: 6.4 - 8.3 g/dL Uric acid (male) reference range Correct Answer: 3.5 - 7.2 mg/dL Uric acid (female) reference range Correct Answer: 2.6 - 6 mg/dL Analytes affected by diurnal variation in the AM Correct Answer: ↑ ACTH, cortisol, iron Analytes affected by diurnal variation in the PM Correct Answer: ↑ growth hormone, PTH, TSH Analytes affected by day-to-day variation Correct Answer: >/=20% for ALT, bilirubin, CK, steroid hormones, triglycerides Analytes affected by recent food ingestion Correct Answer: ↑ glucose, insulin, gastrin, triglycerides, Na+, uric acid, iron, LD, Ca2+ ↓ chloride, phosphate, K+ Analytes affected by alcohol Correct Answer: ↓ glucose ↑ triglycerides, GGT Analytes affected by posture Correct Answer: ↑ albumin, cholesterol, Ca2+ when standing Analytes affected by activity Correct Answer: ↑ in ambulatory patients: Creatinine kinase (CK) ↑ with exercise: K+, phosphate, lactic acid, creatinine, protein, CK, AST, LD Analytes affected by stress Correct Answer: ↑ ACTH, cortisol, catecholamines Effects on chemistry results due to pumping fist during venipuncture Correct Answer: ↑ K+, lactic acid, Ca2+, phosphorus ↓ pH Effects on chemistry results due to tourniquet > 1 min Correct Answer: ↑ K+, total protein, lactic acid Effects on chemistry results due to IV fluid contamination Correct Answer: ↑ glucose, K+, Na+, Cl- (depending on IV). Possible dilution of other analytes. Effects of chemistry results due to incorrect anticoagulant or contamination from incorrect order of draw Correct Answer: K2EDTA: ↓ Ca2+, Mg2+; ↑ K+ Sodium heparin: ↑ Na+ if tube not completely filled Lithium heparin: ↑ lithium Gels: Some interfere with trace metals and certain drugs Effects on chemistry results due to hemolysis Correct Answer: ↑ K+, Mg2+, phosphorus, LD, AST, iron, ammonia Effects on chemistry results due to exposure to light Correct Answer: ↓ bilirubin, carotene Effects on chemistry results due to temperature between collection and testing Correct Answer: Chilling required for lactic acid, ammonia, blood gases Effects on chemistry results due to inadequate centrifugation Correct Answer: Poor barrier formation in gel tubes can result in ↑ K+, LD, AST, iron, phosphorus Effects on chemistry results due to recentrifugation of primary tubes Correct Answer: Hemolysis, ↑ K+ Effects on chemistry results due to delay in separating serum/plasma (unless gel tube is used) Correct Answer: ↑ ammonia, lactic acid, K+, Mg2+, LD ↓ glucose (unless collected in fluoride) Effects on chemistry results due to storage temperature Correct Answer: ↓ at RT: glucose (unless collected in fluoride) ↑ at RT: lactic acid, ammonia ↓ at 4˚C: LD ↑ at 4˚C: ALP Analytes that are higher in plasma than in serum Correct Answer: Total protein, LD, Ca2+