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NCA I- Hematology Exam Study Guide
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NCA I- Hematology Exam Study Guide ...
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NCA I- Hematology Exam StudyGuide
hematology - Answer The study of blood and blood forming tissues
*bone marrow, spleen, blood, and lymph nodes
hematopoiesis - Answer blood cell production
how many types of blood cells are there? - Answer - red blood cells
- white blood cells
- platelets
stem cell - Answer an immature blood cell that is able to self-renew and differentiate into
hematopoietic progenitor cells
*develops within the bone marrow
what is blood? - Answer a type of connective tissues whose main functions are
transportation, regulation, and protection
albumin - Answer a protein (in plasma) that helps maintain oncotic pressure in the blood
by pulling fluid into the circulatory system.
erythrocytes - Answer red blood cells (RBCs)
Main function:
-transport gases
- assistance in maintaining acid-base balance
erythrocyte structure - Answer biconcave shape allows for flexibility
*flexibility enables cell to alter it's shape so that it can easily pass through capillaries
*cell membrane thin enough to facilitate diffusion of gases
erythrocyte composition - Answer composed mainly of hemoglobin
hemoglobin - Answer a complex protein-iron compound composed of heme (an iron
compound) and globin (a simple protein.
*binds with oxygen and carbon dioxide for transport (from lungs to body, and body to
lungs)
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