Hematology Quiz
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What are the precursors to platelets?
A. Myeloids
B. Erythroids
C. Megakaroyocytes
What is the normal range for hematocrit in adult males?
A. 35-45%
B. 40-50%
C. 45-55%
D. 50-60%
The erythrocytosis seen in relative polycythemia occurs because of:
A. decreased arterial oxygen saturation
B. decreased plasma volume of circulating blood
C. increased erythropoietin levels
D. increased erythropoiesis in the bone marrow
Young RBC contains?
A. RNA
B. DNA
A tool used for manual cell counting (glass counting chamber)
A. hemacytometer
B. centrifuge
C. pipetter
D. Coulter counter
What is the major site of hematopoiesis in adults?
A. Thymus
B. Bone Marrow
C. Spleen
D. Liver
These are termed “dawn of neutrophilia” due to the increase of secondary granules and decrease of primary granules.
A. Myelocytes
B. Promyelocytes
C. Metamyelocytes
D. Bands
Hemoglobin is primarily responsible for which of the following functions?
A. Blood clotting
B. Oxygen transport
C. Immune defense
D. Waste elimination
What is the characteristic finding is seen in the peripheral smear of a patient with multiple myeloma?
A. microcytic hypochrmic cells
B. intracellular inclusion bodies
C. rouleaux
D. hypersegmented neutrophils
A. Thrombocyte
B. Erythrocyte
C. Leukocyte
What test is commonly used to monitor warfarin therapy?
A. INR
B. APTT
C. TT
D. BT
What type of cells are characteristic of hairy cell leukemia?
A. Plasma cells
B. Large mononuclear cells with cytoplasmic projections
C. Neutrophils
D. Band cells
Which of the following is contained in the primary granules of the neutrophil?
A. lactoferrin
B. myeloperoxidase
C. histamine
D. alkaline phosphatase
Negative Rh blood is found in what % of the population?
A. 15%
B. 20%
C. 55%
D. 85%
What is the function of a monocyte?
A. phagocytosis
B. diapedesis
C. coagulation
D. pyrexia