5 Written questions
5 Matching questions
- spleen, liver
- vascular spasm
- a __ __ - reduces blood flow through injured vessel (narrow's vessel wall by closing diameter and reducing flow)
- b RBC cells (erythroycytes) die in the __ and __.
- c Plasmin is a proteolytic (breaks down proteins) enzyme that decomposes fibrin --> __ blood clots.
- d __ - cell fragments derived (broken off from) from large bone marrow cells (megakaryocytes)
- e Erythrocytes (RBC's) make up __ % of blood cells.
5 Multiple choice questions
- Blood cells make up __ % of the blood.
- When vessel is __, exposed collagen initiates a cascade of reactions involving successive activation of clotting factors.
- __ __ - aggregation of platelets quickly plugs defect as soon as they come in contact with __ in damaged vessel wall.
- Plasma proteins: are made by the __, exert __ __ in the capillaries, and help in __ __.
- __ __ (or blood coagulation) - reinforces platelet plug and converts blood in vicinity of injury to a non-flowing gell.
5 True/False questions
negative → The feedback system that controls more RBC's is a __ feedback system.
bone marrow → Most factors necessary for clotting are always present in plasma in inactive __ (they are always ready to go) form. They are triggered by exposed collagen.
inactive precursor → The reason why you can get hemostasis to effect immediately is: most factors necessary for clotting are always present in the plasma in __ __ form.
hemoglobin → RBC's are packed full of __ - iron (Fe) containing molecule that can loosely, reversibly bind with O2.
plasma, 45 → Blood cells are suspended in __ and account for __% of the blood volume.