functions of blood
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1. transportation
2. regulation
3. protection
etiology of anemia
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, 1. excessive blood loss
2. increase hemolysis (destruction)
3. decrease RBC production (nutritional, bone marrow failure, renal failure)
4. disorders of hemoglobin synthesis
5. dilutional (relative)
protection
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1. from hemorrhage via clothing mechanisms
2. from microbes and toxins (antibodies)
lifespan of erythrocytes
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~120 days
compensatory mechanisms for anemia
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-selective tissue perfusion
-increase o2 delivery
-increase HR/CO/RR
-increase erythropoiesis
Give this one a try later!
1. transportation
2. regulation
3. protection
etiology of anemia
Give this one a try later!
, 1. excessive blood loss
2. increase hemolysis (destruction)
3. decrease RBC production (nutritional, bone marrow failure, renal failure)
4. disorders of hemoglobin synthesis
5. dilutional (relative)
protection
Give this one a try later!
1. from hemorrhage via clothing mechanisms
2. from microbes and toxins (antibodies)
lifespan of erythrocytes
Give this one a try later!
~120 days
compensatory mechanisms for anemia
Give this one a try later!
-selective tissue perfusion
-increase o2 delivery
-increase HR/CO/RR
-increase erythropoiesis
