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WorksheetsPlatelets and Thalassemia Quiz
Total questions: 20
Worksheet time: 10mins
Main function of platelets is
Oxygen transport
Blood clotting
Immunity
Hormone secretion
Platelets are formed from
RBCs
WBCs
Megakaryocytes
Lymphocytes
First step of platelet function in hemostasis is
Aggregation
Adhesion
Clot retraction
Fibrinolysis
Which substance released by platelets helps in clot formation?
ADP
Heparin
Histamine
Plasmin
Platelets help coagulation by providing
Calcium only
Phospholipid surface
Hemoglobin
Iron
Thalassemia is a disorder of
RBC membrane
WBC production
Hemoglobin synthesis
Platelet function
Thalassemia mainly affects synthesis of
Heme
Globin chains
Iron
Vitamin B12
Beta thalassemia involves decreased production of
Alpha globin
Beta globin
Gamma globin
Delta globin
Common sign of severe thalassemia is
Hypertension
Splenomegaly
Polycythemia
Leukocytosis
Heme–heme interaction occurs in
Myoglobin
Hemoglobin
Albumin
Transferrin
Heme–heme interaction helps in
Oxygen storage
Cooperative oxygen binding
CO2 transport
Iron absorption
Because of heme–heme interaction, oxygen dissociation curve is
Linear
Sigmoid
Hyperbolic
Flat
Neutrophils are mainly involved in
Antibody production
Phagocytosis
Allergy
Clotting
Most abundant WBC in blood is
Eosinophil
Basophil
Neutrophil
Lymphocyte
Neutrophils are also called
Mononuclear cells
Polymorphonuclear cells
Agranulocytes
Mast cells
Neutrophils migrate to site of infection by
Pinocytosis
Diapedesis
Endocytosis
Osmosis
Polycythemia means
Low RBC count
High RBC count
Low platelet count
Low hemoglobin
Polycythemia vera is a disorder of
Bone marrow
Plasma proteins
Platelets only
Hemoglobin structure
Main risk in polycythemia is
Infection
Thrombosis
Bleeding
Anemia
High altitude can cause
Anemia
Secondary polycythemia
Leukemia
Thrombocytopenia
