HAN 202 Lecture 17: Chapter 17 Blood Outline
6 Aug 2018
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Infection: antibodies, complement proteins, wbc"s defend against foreign invaders, blood composition (blood ph 7. 35-7. 45, plasma, 55% of blood, elements (rbc, wbc, platelets, erythrocytes (red blood cells) i. Hematocrit (rbc/total blood volume: percent of blood volume that is rbcs, 47% (+ or - 5%) for males, 42% (+ or - 5%) for females, leukocytes (white blood cells, platelets, hematopoiesis. Occurs in red bone marrow of axial skeleton, girdles and proximal epiphyses of humerus and femur. Hormones and growth factors push the cell toward a specific pathway of blood cell development: erythropoiesis a. red blood cell production. 1: have spherical or kidney-shaped nuclei, lymphocytes a. large, dark purple, circular nuclei with a thin rim of blue cytoplasm, mostly in lymphoid tissue, few circulate in the blood, crucial to immunity. 2: has three stages that use clotting factors made in liver reinforces the platelet plus with fibrin threads, coagulation 3 phases, formation of prothrombin activator, prothrombin to thrombin.
