Advanced Pathophysiology Exam #2
Overview of the Blood - •Blood •5000ml •Plasma •3000ml Hematocrit defined - - % of RBCs [higher value = higher viscosity = thicker blood) - Example: Polycythemia may have Hct of 60-70% Types of Blood Cells - Erythrocytes [RBCs) - - Transport O2 - Small disc shape - Lifespan = 120 days - Carry Hgb [ferrous oxide, also an acid/base buffer) - Made in the bone marrow - Iliac crest for sample in leukemia [after age 20 in the vertebrae, sternum, ribs, iliac) - Hgb Levels: 14-16g/dL in males / 12-14g/dl
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