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(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
A woman has a leukocyte count of 3.6 x 10^9/L. What is the term for this type of cell count? - correct answer ✅Leukopenia A woman has the following blood test results: Test Result Red cell count 7.8 x 10^12/L White cell count 7.5 x 10^9/L Platelets 242 x 10^9/L What term applies to these results? - correct answer ✅Polycythemia A patient has a high red blood cell count, a high hematocrit, a high hemoglobin level, and a low erythrocyte sedimentation rate. Which of the following terms best describes the patient's conditions? - correct answer ✅Polycythemia
(Hematology/Immunology/Immunohematology)
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What is the term for red blood cells that are different in size? - correct answer ✅Anisocytosis The following lab results results were obtained: Test Result Bleeding Time Prolonged Platelet adhesiveness Abnormal PT Normal APTT Normal CBC Normal These findings are most consistent with which inherited autosomal dominant trait? - correct answer ✅Von Willebrand disease Which ion is essential for blood clotting? - correct answer ✅Calcium
(Hematology/Immunology/Immunohematology)
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Which protein binds to free hemoglobin? - correct answer ✅Haptoglobin Target cells are also known as: - correct answer ✅codocytes A microscopic analysis of a patient's blood sample reveals neutrophils with six-lobes nuclei. Which illness doe this indicate? - correct answer ✅Megalobastic anemia Which type of acute myeloid leukemia is characterized by minimal maturation of myeloid cells? - correct answer ✅FAB M Auer rods are characteristically found in which leukemia? - correct answer ✅Acute myeloid Which marker is used to help distinguish acute lymphocytic leukemia from malignant lymphoma? - correct answer ✅Terminal deoxynucleotidyl transferase
(Hematology/Immunology/Immunohematology)
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A 23-year-old woman presents with fatigue, weakness, and heart palpitations. The results of a serum from test are as follows: Test Result Normal Range Serum iron concentration 28 mcg/dL 60-170 mcg/dL Total iron-binding capacity 789 mcg/dL 240-450 mcg/dL Based on these results, which type of anemia does this patient most likely have? - correct answer ✅Iron deficiency What abnormal form of hemoglobin causes sickle cell anemia? - correct answer ✅Hbs Which morphological classification best describes hemolytic anemia? - correct answer ✅Normocytic and normochromic
(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
Which type of thalassemia is known as Cooley's anemia? - correct answer ✅Beta thalassemia major Which of the following hematocrit values would be expected in a patient with untreated pernicious anemia? - correct answer ✅29% Pernicious anemia can be distinguished from folate deficiency by the: - correct answer ✅presence of autoantibodies to intrinsic factor Which of following results be correlates with sickle cell anemia? - correct answer ✅Hgb 5.0 g/dL, Hct 17%, WBC 13.0X10^9/L What is the most severe type of thalassemia - correct answer ✅Alpha thalassemia major Blood contains how many grams of hemoglobin per 100 mL - correct answer ✅12-18 g
(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
Which white blood cell is the most numerous on a normal blood slide? - correct answer ✅Neutrophils What is the functional lifespan of a red blood cell? - correct answer ✅100-120 days Megakaryocytes produce and release: - correct answer ✅platelets Which type of white blood cell is the larges - correct answer ✅Monocytes Which is the least common white blood cell? - correct answer ✅Basophil A blood smear is performed for a neonate with low hemoglobin levels:
(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
What is the major form of hemoglobin in adults? - correct answer ✅Hemoglobin A How many globin groups does each hemoglobin molecule have? - correct answer ✅ 1 What is the main type of hemoglobin in fetus and newborn babies?
correct answer ✅Hemoglobin F What is the normal hemoglobin range for women? - correct answer ✅12-16 g/dL Hemoglobin A2 is elevated in which disease? - correct answer ✅Beta-thalassemia The hemoglobin solubility test is a screening test for which disorder? - correct answer ✅Sickle cell anemia
(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
Which abnormal hemoglobin causes rigid red blood cells with short lifes-pans? - correct answer ✅HgC Which abnormal form of hemoglobin has iron in the Fe^3+ state instead of the Fe^2+ state? - correct answer ✅Methemoglobin A histologist has stained a blood sample with Wright's stain but the basophils have poor definition. The histologist decides to repeat the stain. Which of these actions would improve the definition? - correct answer ✅Reduce the time between preparing the smear and fixation. New methylene blue reagent is used to stain: - correct answer ✅reticulocytes Which virus causes chickenpox? - correct answer ✅Varicell-zoster virus
(Hematology/Immunology/Immunohematology)
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What does the term "left shift" mean in hematology? - correct answer ✅An increase in the number of immature neutrophils in the blood Why is ammonium oxalate added to the blood samples before platelet counts? - correct answer ✅To lyse the red blood cells Calculate the reticulocyte production index from the following information: Hct 15% Normal Hct 45% Maturation correction 2. Reticulocyte percentage 9% - correct answer ✅ Formula to calculate the corrected reticulocyte percentage: - correct answer ✅= reticulocyte county x (hematocrit/normal hematocrit)
(Hematology/Immunology/Immunohematology)
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Formula to calculate reticulocyte production index: - correct answer ✅=corrected reticulocyte percentage / maturation correction Lipemia in a blood sample would falsely increase the spectroscopy absorbance reading of which of the following? - correct answer ✅Hemoglobin Calculate the corrected WBC count from the following results: Test Result Uncorrected WBC count 30,000/ul Nucleated RBC/100 WBC 100 - correct answer ✅15,000/uL Formula to calculate corrected white blood cell count: - correct answer ✅=observed WBC x (100/number of nucleated RBC +
(Hematology/Immunology/Immunohematology)
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Calculate the corrected reticulocyte count from the following information: Hct 8% Normal Hct 40% Recticulocyte count 5% - correct answer ✅1% A 1:4 dilution is made for a manual white blood cell count. The technician counts 100 WBC's in ten squares of the hemocytometer. What is the white blood cell concentration?` - correct answer ✅5 X 10^5 cells/uL Which disorder correlates with these findings? Test Results PLT 35 X 10^9/L HGB 72 g/L INR 1.
(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
D-Dimer 22 mg/L - correct answer ✅Disseminated intravascular coagulation What is a buffy coat made of? - correct answer ✅White blood cells and platelets Which white blood cell condition often indicates an allergy? - correct answer ✅Eosinophilia What test is used to diagnose hereditary spherocytosis? - correct answer ✅Osmotic fragility test Bone marrow cells that contain the Philadelphia chromosome are most often found in which type of leukemia? - correct answer ✅Chronic myelogenous Which of the following clinical signs is characteristic of Bernard- soulier syndrome? - correct answer ✅Large platelets
(Hematology/Immunology/Immunohematology)
Exam Questions And Answers
A patient has a prothrombin time (PT) of 12 seconds and an activated partial thromboplastin time (aPTT) of 25 seconds. Which condition does this indicate? - correct answer ✅Normal health Which factor deficiency correlates with the following results? Test Result PT 22 seconds aPTT 79 seconds Fibrinogen 0.5 g/L - correct answer ✅Factor I Folate deficiency is associated with which of the following red blood cell morphologies? - correct answer ✅Macrocytic A patient's blood test results are as follows:
(Hematology/Immunology/Immunohematology)
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Test Results RBC 4X10^6/uL HCT 40% Hgb 12 g/dL What is the morphology of the red blood cells? - correct answer ✅Macrocytic normochromic Give the following results, which red blood cell morphology does the patient most likely have? Test Results MCV 90 fL MCH 30.1 pg MCHC 35.1 g/dL - correct answer ✅Normocytic normochromic
