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MEDICAL LAB TECH HEMATOLOGY REVIEW QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+
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MEDICAL LAB TECH HEMATOLOGY REVIEW QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+
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MEDICAL LAB TECH HEMATOLOGYREVIEW QUESTIONS AND VERIFIED
ANSWERS|100% CORRECT|GRADE A+
Prenatal Hematopoiesis - ANSWER From Conception to Birth:
Yolk Sac-->Spleen-->Liver-->Bone Marrow
Adult Hematopoiesis Sources - ANSWER Flat Bones (Skull, Sternum, Pelvis, Ribs, Vertebrae)
RBC Maturation - ANSWER Rubriblast-->Prorubricyte-->Rubricyte-->Metarubricyte-->Reticulocyte--
>Erthrocyte
Macrophage Maturation - ANSWER Monoblast-->Promonocyte-->Monocyte
Platelet Maturation - ANSWER Megakaryoblast-->Promegakaryocyte-->Megakaryocyte-->Platelet
Lymphocyte Maturation - ANSWER Lymphoblast-->Prolymphocyte-->Lymphocyte (NK Cell, T Cell, B Cell)
Hematopoiesis Overview Pic - ANSWER Nice
Transferrin - ANSWER Iron Transport Protein
Ferritin - ANSWER Major Iron storage form
Hemosiderin - ANSWER H2O insoluble Iron Storage form (long term storage)
Porphyria - ANSWER Excessive formation of porphyrins occurs if any enzymatic step in heme synthesis is
blocked
Hemoglobin HgB F - ANSWER Globin Chain: a2y2 (alpha2, gamma2)
, Newborn %: 60-90%
Adult%: 1%
Hemoglobin HgB A2 - ANSWER Globin Chain: a2d2 (alpha2, delta2)
Newborn %: <2%
Adult%: 2%
Hemoglobin HgB A - ANSWER Globin Chain: a2b2 (alpha2, beta2)
Newborn %: 10-40%
Adult%: 97%
O2 saturation: Shift Left - ANSWER O2 NOT released to tissue adequately
Decrease CO2, 2,3 DPG
Increase pH, HbF
O2 saturation: Shift Right - ANSWER O2 released to tissue more easily
Decrease pH
Increase CO2, 2,3 DPG
Ethrylenediamine-tetra-acetate (EDTA) - ANSWER Chelates Ca++ to prevent clotting.
Hemaglobin - ANSWER Red Protein responsible for transporting oxygen.
Is the conversion of hemaglobin to cyanmethemaglobin by potassium cyanide and potassium
ferricyanide.
Methemaglobin - ANSWER Iron in the heme group is in the ferric state Fe3++ instead of the normal
ferrous state Fe2++ of hemaglobin
Carboxyhemaglobin - ANSWER Is increased in carbon monoxide poisoning as smokers.
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