Blood anatomy flashcards

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Twenty flashcards on blood: plasma, cell production, red and white cells, platelets, clotting and blood types.

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20 cards

Share of blood volume that is plasma?: About 55 percent.
Main plasma protein that holds fluid inside vessels?: Albumin.
Where are blood cells made in adults?: Red bone marrow, mainly in the pelvis, spine, sternum and ribs.
Hormone that drives red cell production?: Erythropoietin, made mainly by the kidneys.
Normal red blood cell lifespan?: About 120 days.
Main organ that removes old red cells?: Spleen.
Young red cell counted to judge marrow output?: Reticulocyte.
Protein in red cells that carries oxygen?: Hemoglobin.
Normal adult hemoglobin?: About 13.5 to 17.5 g/dL in men and 12 to 15.5 g/dL in women.
Most common white blood cell in adults?: Neutrophil.
White cell that rises in allergy and parasite infection?: Eosinophil.
Normal adult white blood cell count?: About 4,500 to 11,000 per microliter.
Normal platelet count?: 150,000 to 450,000 per microliter.
Normal platelet lifespan?: About 7 to 10 days.
Marrow cell that platelets bud from?: Megakaryocyte.
Protein that sticks platelets to a damaged vessel wall?: Von Willebrand factor.
Final step of clotting that builds a stable mesh?: Thrombin turns fibrinogen into fibrin.
Universal donor red cells?: O negative.
Universal donor plasma?: AB plasma.
Most dangerous immediate reaction to wrong-type blood?: Acute hemolytic reaction from ABO mismatch.