Question |
Answer |
What is included in the hematological system? |
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Bone marrow, blood, spleen and lymph system
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Where does hematopoiesis occur? |
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In the red bone marrow found in flat and irregular bones like the long bones, pelvic bones, vertebrae, sacrum, sternum ribs, flat cranial bones and scapulae
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What are the three major functions of blood? |
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Transportation of oxygen, nutrients, hormones and waste products
Regulation of fluid, electrolytes and acid base
Protection by clotting and combating infections
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What does Serum refer to? |
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Plasma minus the clotting factors
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What is the primary function of erythrocytes? |
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transport of gasses and assisting in maintaining acid base balance
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What is the primary function of leukocytes? |
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Protecting the body from infection
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What is the primary function of thrombocytes? |
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Blood coagulation
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What triggers erythropoeisis? |
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Hypoxia
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What organ releases erythropoietin to stimulate RBC production? |
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The kidneys
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The ________ is an immature erythrocyte. |
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Reticulocyte
|
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How long does it take for a reticulocyte to mature into a RBC? |
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48 hours
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Hemolysis is the removal of old blood cells from the circulation by monocytes and macrophages. It usually occurs in the... |
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Bone marrow, liver and spleen
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What is produced by the hemolysis of RBC? |
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Bilirubin
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What are the two agranulocytic leukocytes? |
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lymphocytes and monocytes
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What is the primary function of granulocytes? |
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Phagocytosis
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What is the primary phagocytic WBC involved in acute inflammatory responses? |
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Neutrophils
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What is the difference between a banded neutrophil and a segmented neutrophil? |
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Band-immature, not as effective at phagocytosis
Segmented-mature
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________ are the WBC responsible for engulfing antigen-antibody complexes formed during allergic responses and they also phagocytize parasites. |
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Eosinophils
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_______ is the WBC involved in the allergic response. When they degranulate they release heparin, serotonin and histamine. |
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Basophils
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_______ are the WBC involved in cellular and humoral immunity. |
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Leukocytes
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