Download Medical Laboratory Science Practice Exam and more Exams Biology in PDF only on Docsity! ASCP BOC Practice Exam CML vs. Leukemoid Reaction - CML - decreased leukocyte alkaline phosphatase (LAP) Leukemoid Reaction - increased LAP Look-back - 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 - KCl The serum glucose concentration of a diabetic patient undergoing a 2-hr GTT should return to the baseline (fasting level) after _____ minutes. - 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? - Creatinine clearance Oval fat bodies and fatty casts are characteristic urine sediment constituents in patients with _____. - Nephritic Syndrome What are the 2 most common reasons for macrocytosis? - B12 and Folate deficiency Calculation for corrected WBC - (WBC x 100)/(#nrbc + 100) What is the major protein of HDL? - Apolipoprotein A Muscular Dystrophy - 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? - 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? - Hemoglobin electrophoresis Laboratory test specific for systemic lupus erythematosus (SLE) - Antinuclear antibody test (ANA) A male with urethral discharge can be presumptive for ________. - N. gonorrhea A low reticulocyte count in an infant may indicate _____. - Aplastic anemia Cryptococcus neoformans may yield a positive result for ________. - HIV Decreased urine specific gravity may indicate ________. - Diabetes insipidus What must be done when Salmonella serotype VI (capsular) is isolated? - The suspension must be heated to eliminate capsule and should be re-tested. Cryoprecipitate must be transfused within ___ hours. - 4 Which antigen is destroyed by enzyme enhancement. - Duffy ___ will react with human globulin, either bound to RBC or free in serum. - AHG Irradiated RBCs reduce the risk of ________. - GVHD Marker present in child but absent from mother and father. - Direct exclusion Which stain is used for bone marrows? - Romanowsky stain When is cortisol at the highest peak? - morning Rouleaux is not seen in what phase due to serum being washed away? - AHG Which enzyme is increased in mumps? - amylase Sézary Syndrome is a _______ lymphoma. - T-cell What disease is associated with Burr cells? - uremia Unconjugated bilirubin is associated with __________. - hemolytic or pernicious anemia, transfusion reaction, cirrhosis, & Gilbert Syndrome Which organism grows on MacConkey agar; is citrate, orthinine, and arginine positive; and lysine negative? - E. cloacae When staining acid-fast bacilli with Truant auramine-rhodamine stain, potassium permanganate is used as a _________. - quenching agent - reduces background fluorescence of cellular debris In biliary obstruction, conjugated bilirubin is ______. - increased What is elevated in azotemia? - BUN & serum creatinine levels What level is increased in Hashimoto Thyroiditis? - TSH hypoparathyroidism - calcium - low
