Study guides, Class notes & Summaries

FAB classificationsMPO - correct answer Myeloperoxidase: Present in granules of granulocytes Neutrophils:+ Monocyte: w+ Lymphocyte: - Differentiates myeloid from lymphoid SBB - correct answer Sudan black: pospholipids present in immature cells Neutrophil: + Monocyte: + Lymphocyte: w+ Differentiates immature cells NSE - correct answer Nonspecific esterase: alpha-naphthyl butyrate alpha-naphthyl acetate Neutrophil: - Monocyte: + with butyrate Lymphocyte: - Megakaryocy...

Hematology Sec 5 ExamWhich of the following cytochemical stains can help differentiate AML (acute myelocytic leukemia) from ALL (acute lymphocytic leukemia)? - correct answer MPO (myeloperoxidase) stain Which of the following combinations leads to tumor formation? - correct answer Activation of oncogenes and suppression of tumor-suppressor genes A patient has a WBC count of 250 x 10^9/L, and a peripheral blood smear contains many granulocytes and granulocytic precursors including 2% blasts...

Immunology for SBBInnate immune response - correct answer -Nonspecific immune response Macrophages Killer (NK) cell Complement Antibodies Enzymes/chemicals adaptive immune response - correct answer -specific immune response • Antigen dependent • Produced only on an as-needed basis • Two types 1. Cellular • T cells • NK cells • Antigen presenting cells (APCs) 2. Humoral • Antibodies made by B cells state source and function of IL1 - correct answer -Pro...

Laboratory Evaluation: Cytochemical Stains and Bone MarrowLAP Score: 1+ score - correct answer Slight LAP activity LAP score: 2+ and 3+ score - correct answer Moderate LAP activity LAP score: 4+ score - correct answer Marked LAP activity LAP scoring - correct answer Grading categories = 0, 1+, 2+, 3+, and 4+ Number of cells in each category = Total = 100 Multiply # of cells counted by grade and then add up all category values Example: 0 x 60 = 0 1 x 20 = 20 2 x 14 = 28 3 ...

LeukemiaLeukemias divided into Myeloid and Lymphoid. Based on Morphology >20% Blast in BM differentiated by Cytochemical stains - correct answer Acute Myelogenous Leukemia M0 - correct answer • Minimally Differentiated • Laboratory Tests MPO -/+ SBB-/+ TdT - NSE - PAS - Acute Myelogenous Leukemia M1 - correct answer • Without Maturation • Laboratory Tests MPO+ SBB+ TdT - NSE - PAS - Acute Myelogenous Leukemia M2 - correct answer • With Maturat...

Medical Laboratory Science Review Harr 1.6 Hematology: Acute LeukemiasB. Acute lymphoblastic leukemia B Auer rods are not seen characteristically in lymphoblasts. They may be seen in myeloblasts, promyelocytes, and monoblasts. - correct answer Auer rods may be seen in all of the following except: A. Acute myelomonocytic leukemia (M4) B. Acute lymphoblastic leukemia C. Acute myeloid leukemia without maturation (M1) D. Acute promyelocytic leukemia (M3) C. Normocytic, normochromic C ...

SBB 5261 Exam 1IgG Sublcass most efficient in initiating classical complement - correct answer IgG3 Steric exclusion of water molecules is the mechanism of this enhancement - correct answer PeG Stage of Complement activation common to all three pathways - correct answer Activation Phase-C3 convertase IgM agglutination is enhanced at what temperature - correct answer Lower than RT Activation of C1 in classical pathway requires - correct answer Calcium What antigens are destroyed by...

SBB 5261 Exam 3What type of H chains make secretions - correct answer Type I Structure What type of H chains make RBCs - correct answer Type II Structure H - correct answer L-fucosyl transferase in Type II A - correct answer N-acetylgalactosamyl transferase B - correct answer D-galactosyl transferase What structure carries the sugar chain in Type I - correct answer protein backbone What structure carries the sugar chain in Type II - correct answer lipids Se - correct answer ...

SBB- ABOThe reactivity of blood group A is confirmed by detecting the presence of which immunodominant sugar molecule? a. N-acetyl-D-neuraminic acid b. L-fucose c. N-acetyl-D-galactosamine d. N-acetyl-D-glucosamine e. D-galactose - correct answer c The mating of parents of which two ABO phenotypes can potentially produce offspring with ALL of the common four blood types? AB and O AB and A AB and B AB and AB A and B - correct answer A and B Bombay phenotype (Oh) indi...

SBB ASCP Practice Testb. Reduce the flow rate. - correct answer A donor experiences perioral paresthesia during an apheresis procedure. Which of the following should be performed? a. Increase the flow rate. b. Reduce the flow rate. c. Elevate the donor's feet. d. Have the donor breathe into a paper bag. c. Obtain a written request from the patient's physician and send the unit with a biohazard label and "autologous use only." - correct answer A unit of autologous blood tested repeated...