ASCP BOC Practice Exam 2023 with complete Questions and Answers

CML vs. Leukemoid Reaction - ANSWER CML - decreased leukocyte alkaline phosphatase (LAP) Leukemoid Reaction - increased LAP Look-back - ANSWER The process for the identification and notification of recipients of blood components from prior donations of who now test positive for HCV, HIV-1 and/or HIV-2. External reference electrode used in ISE - ANSWER KCl The serum glucose concentration of a diabetic patient undergoing a 2-hr GTT should return to the baseline (fasting level) after _____ minutes. - ANSWER 120 Technical problems encountered during the collection of an amniotic fluid specimen caused doubt as to whether the specimen was amniotic in origin. Which procedure would best establish that the fluid is amniotic in origin? - ANSWER Creatinine clearance Oval fat bodies and fatty casts are characteristic urine sediment constituents in patients with _____. - ANSWER Nephritic Syndrome What are the 2 most common reasons for macrocytosis? - ANSWER B12 and Folate deficiency Calculation for corrected WBC - ANSWER (WBC x 100)/(#nrbc + 100) What is the major protein of HDL? - ANSWER Apolipoprotein A Muscular Dystrophy - ANSWER Increased CK, LD, AST, ALT CK most sensitive and specific A patient who has had severe chest pain for several hours is admitted with a diagnosis of possible acute myocardial infarction (AMI). Which of these ordered laboratory tests should the nurse monitor to help determine whether the patient has had an AMI? - ANSWER Troponin I and Troponin T Troponin levels increase about 4 to 6 hours after the onset of a myocardial infarction (MI). Which test identifies the presence of Hgb S? - ANSWER Hemoglobin electrophoresis Laboratory test specific for systemic lupus erythematosus (SLE) - ANSWER Antinuclear antibody test (ANA) A male with urethral discharge can be presumptive for ________. - ANSWER N. gonorrhea A low reticulocyte count in an infant may indicate _____. - ANSWER Aplastic anemia Cryptococcus neoformans may yield a positive result for ________. - ANSWER HIV Decreased urine specific gravity may indicate ________. - ANSWER Diabetes insipidus . Cryoprecipitate must be transfused within ___ hours. - ANSWER 4 Which antigen is destroyed by enzyme enhancement. - ANSWER Duffy ___ will react with human globulin, either bound to RBC or free in serum. - ANSWER AHG