The Haematopoietic System 0.0 / 5 ? BiologyHaematopoietic SystemUniversityNone Created by: OwenBeesleyCreated on: 30-12-16 14:44 what condition is the result of increased hb/rbc Polycythaemia 1 of 25 Q=what growth factor encourages erythrocyte production? EPO 2 of 25 Q=what condition is caused by a reduction of Hb? anaemia 3 of 25 Q=what is haemolysis? A=Reduced RBC survival 4 of 25 Q=what are reticulocytes? A=young RBC's 5 of 25 Q=what growth factor encourages platelet production? A=TPO (forms megakaryocytes) 6 of 25 Q=How are platelets formed? A=by fragmentation of megakaryocyte cytoplasm 7 of 25 Q=What condition is caused by a low platelet count? A=Thrombocytopenia 8 of 25 Q=What condition is caused by a high platelet count? A=Thrombocytosis 9 of 25 Q=What condition is caused by a low neutrophil count? A=Neutropenia 10 of 25 What type of immunity are myeloid cells? Innate 11 of 25 What type of immunity are lymphoid cells? Adaptive 12 of 25 What is the largest leucocyte? Monocytes 13 of 25 What condition is caused by a reduction of neutrophils? Neutropenia 14 of 25 What are the 4 types of myeloid leucocytes? Neutrophils, Eosinophils, Basophils, Monocytes 15 of 25 What is the main symptom of thrombocytopenia? Bruising 16 of 25 What is a CD marker common to all leukocytes? CD45+ 17 of 25 What are the 3 types of lymphocytes? B-cells, T-cells, NK-cells 18 of 25 How much percent of the lymphocyte pool do B-cells make up? 20 19 of 25 How much percent of the lymphocyte pool do T-cells make up? 80 20 of 25 What is the function of T-helpers? Coordinate immune repsonse by secreting cytokines 21 of 25 What is the function of T-cytotoxic cells? Detect and lyse target cells 22 of 25 What is the function of T-regulatory cells? Immunosuppressive and prevent autoimmunity 23 of 25 What is the function of B-cells? Produce antibodies 24 of 25 What does NK stand for? Natural Killer 25 of 25
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