Recall!!! Hematology Exam Questions with Complete Solutions Graded A+

  length of needle usually used in routine phlebotomy - Answer: 1.0 - 1.5 inches most preferred site of puncture (vein) - Answer: median cubital what is the angle of needle for extraction? - Answer: 15 degrees gauge number usually used for phlebotomy - Answer: 19,20,21 gauge in tuberculin syringe - Answer: 25 gauge of needles used in bleeding of donors in blood collection centers - Answer: 16 size of the drop of blood used in smear preparation - Answer: 2-3 mm measure of smear for AFB staining - Answer: 2-3 cm diurnal variation observed in Neutrophils? am?pm? - Answer: decreased in am; increased in pm effects of different conditions in RBC ct, HCT and HGB in age? gender? smoking? - Answer: increased MCV is computed from? - Answer: RBC ct and hematocrit ESR in wintrone is read using what graduation (left, right) and (top, bottom) zero? - Answer: left , top disposable ESR plastic tubes is called: - Answer: dispette leukemia without maturation is also known as: - Answer: M2 what us acute undifferentiated leukemia? - Answer: M0 acute myeloblastic leukemia without maturation - Answer: M1 acute myeloblastic leukemia with maturation - Answer: M2 acute promyelocytic leukemia associated with DIC - Answer: M3 acute myelocytic leukemia - Answer: M4/ naegli acute monocytic leukemia - Answer: M5/ schillings acute erythroleukemia - Answer: M6/ Di gugleilmo acute megakaryocytic leukemia - Answer: M7 measurement of westergreen tube - Answer: 300 mm measurement of wintrobe tube - Answer: 115 mm or 11.5 cm graduation lines of westergreen tube - Answer: 0-200 graduation lines of wintrobe tube - Answer: 0-100 what are the uses of westergreen tube? - Answer: used for ESR ONLY what are the uses of WIntrobe tube? - Answer: used for ESR and macrohematocrit the distance of the blood drop from the edge of the label - Answer: 0.25 inches decreased affinity to oxygen - Answer: shift to the right increased body temperature, 2,3 DPG, co2 and decreased blood ph is associated with what ? - Answer: shift to the right increased affinity to oxygen - Answer: shift to the left decreased body temp, 2,3- DPG, co2 and increased blood ph is associated with what? - Answer: shift to the left acquired anemia with chronic disease , iron deficiency, thallassemia, sideroblastic anemia - Answer: microcytic, hypochromic rbcs test most sensitive to recent malaria - Answer: NS-1 dilution for wbc in automated system - Answer: 1:500 dilution for rbc in automated system - Answer: 1:50,000 maturation of monocytes - Answer: 30-48 hours lifespan of monocytes - Answer: months to years positive result for dithinate test - Answer: turbidity LAP stain score in leukemoid reaction - Answer: increased LAP stain score in CML - Answer: decreased 1st layer in hematocrit tube - Answer: fatty layer 2nd layer in hematocrit tube - Answer: plasma 3rd layer in hematocrit tube - Answer: buffy coat 4th layer in hematocrit tube - Answer: packed rbc stem cell marker - Answer: CD34 indication or presence of philadelphia chromosome - Answer: good prognosis absence of philadelphia chromosome - Answer: rapid progression of the disease/ poor prognosis leach phenotype - Answer: elliptocyte life span of granulocyte - Answer: 9-10 days bore of microhematocrit method - Answer: 75mm x 1.2 bore tube centrifugation of microhematocrit is done at - Answer: 10,000-15,000 gravity for 5 mins fibrinogen level affecting PT - Answer: 100 count for leukocytosis - Answer: >11 x 109/L count for thrombocytosis - Answer: 200 cells increase in altitude - Answer: increase in rbc ct what increases during smoking - Answer: wbc and rbc ct not part of differential counts - Answer: age of wbc estimation indicators for intravascular hemolysis - Answer: hemoglobin,haptoglobin, hematocrit poor man's agglutination study - Answer: blood film EPO is decreased due to low oxygen requirement which may lead to - Answer: anemia of chronic disease EPO is decreased condition may lead to - Answer: anemia of endocrine disease hyposegmentation of granulocyte leads to - Answer: pelger huet syndrome dark staining....sex chromosome - Answer: barr bodies relationship of electrical impedence to size - Answer: direct in light scatter, forward scatter measures - Answer: cell size blue gray granules - Answer: dohle bodies wbc differential count back and fourth serpentine track pattern - Answer: battlement keratocytes also known as - Answer: helmet cell target cell with 10-20/field is graded as - Answer: 3+ binds iron needed by bacteria - Answer: lactoferrin schistocytes in automated cell count - Answer: makes accurate platelet count impossible requirws fresh sample - Answer: myeloperoxidase and LAP present in neutrophils but not in monocytes - Answer: LAP derived from the RBC histogram - Answer: mcv and rdw the protein for platelet contraction - Answer: actomyosin screening test for HBS - Answer: sodium dithionite test grading for polychromasia of 3% - Answer: 1+ grading for polychromasia of 5% - Answer: 2+ grading for polychromasia of 10% - Answer: 3+ grading for polychromasia of >11 % - Answer: 4+ cd marker for hematopoiesis - Answer: CD45R special stain that deteriotes upon storage requiring fresh sample everytime - Answer: myeloperoxidase slide used for blood smear usually - Answer: 1x 3 inches angle of spreader slide should be around - Answer: 25-45 degrees celsius over anticoagulation of blood can cause - Answer: decreased ESR measure of erythropoeitic activity - Answer: reticulocytes used to monitor heparin theraphy - Answer: APTT poikilocytosis grading for 20-50/oif - Answer: 3+ poikilocytosis grading for 10-20/oif - Answer: 2+ poikilocytosis grading for 3-10/oif - Answer: 1+ poikilocytosis grading for >50/oif - Answer: 4+ poikilocytosis grading for 0-2/oif - Answer: wnl grading for rbc with 2/3 palor - Answer: 2+ grading for rbc with 1/2 palor - Answer: 1+ grading for rbc with 3/4 palor - Answer: 3+ grading for rbc with thin rim - Answer: 4+ method of differential count which is performed from head to tail - Answer: longitudinal positive or negative error in cell - Answer: improper setting of aperture