ELSEVIER HEMA REVIEWER QUESTIONS AND ANSWERS A+ GRADED .Buy Quality Materials!

ELSEVIER HEMA REVIEWER QUESTIONS AND ANSWERS A+ GRADED .Buy Quality Materials! Fanconi's anemia is an inherited aplastic anemia with mutations that lead to: a. RBC enzymatic defects b. Increased chromosome fragility c. Myelophthisic anemia d. Pancreatic issues b. Increased chromosome fragility What is the principle of automated impedance cell counters? a. Amplification of an electrical current by cells b. Interruption of an electrical current by cells c. Angle of laser beam scatter by cells d. Change in optical density of the solution containing cells b. Interruption of an electrical current by cells Which of the following statements about manual reticulocyte counts is false? a. New methylene blue, a supravital stain, is used. b. RBC inclusions can result in falsely elevated counts. c. The blood/stain mixture is incubated for 5-10 minutes. d. An erythrocyte must have at least 4 blue particles to be counted as a reticulocyte. d. An erythrocyte must have at least 4 blue particles to be counted as a reticulocyte. Which of the following is not an agonist of platelet aggregation? a. Saline b. Epinephrine c. Collagen d. ADP a. Saline A clotted EDTA tube can be used to perform a(n) a. Hematocrit b. Platelet count c. Solubility test for hemoglobin S d. Erythrocyte sedimentation rate c. Solubility test for hemoglobin S In which of the following are eosinophils not increased? a. Parasitic infection b. Gushing syndrome c. Allergic disorders d. Skin disorders b. Gushing syndrome In which anomaly is a failure of granulocytes to divide beyond the band or two lobed stage observed? a. Chediak-Higashi b. Pelger-Huet c. Alder-Reilly d. May-Hegglin b. Pelger-Huet When performing a factor assay for factor VIII, the MLS accidentally added factor IX-deficient plasma to the patient specimens. Which of the following best describes the expected results? a. The test will not be affected because the correct factor-deficient plasma was added b. The test results will be an assessment of factor IX levels and can be calculated using the factor VIII standard curve c. The test results will not be an assessment of factor VIII levels because factor VIII is present in the factor IX-deficient plasma d. The test will not be affected because factor-deficient plasma is not needed in a factor assay c. The test results will not be an assessment of factor VIII levels because factor VIII is present in the factor IX-deficient plasma A patient's bone marrow showed erythroid hyperplasia with signs of dysplastic maturation, particularly in the RBC precursors. This is consistent with which of the following? a. Pernicious anemia b. Sickle cell anemia c. b-Thalassemia major d. G6PD deficiency a. Pernicious anemia What combination of reagents is used to measure hemoglobin? a. Hydrochloric acid and p-dimethylaminobenzaldehyde b. Sodium bisulfite and sodium metabisulfite c. Potassium ferricyanide and potassium cyanide d. Sodium citrate and hydrogen peroxide c. Potassium ferricyanide and potassium cyanide The CBC for a 57-year-old man had the following results. Which tests would be best to order next? RBC 2.50X1012/L; Hct 26.0%; MCH 34 pg; Hgb 8.5 g/dL MCV 104 fL MCHC 33%. a. Vitamin B12 and folic acid levels