normal erythropoiesis Flashcards
how many RBC’s made each day?
200 billion
what does the rate of RBC loss relative to?
the rate of RBC production
how many RBC lost per day must be replaced?
1%
what is the word for too many RBC?
polycythemia
what is the word for too few RBC?
anemia
what does a CBC measure?`
RBC,WBC,Hemoglobin and hematocrit
what is a CBC dependent on?
of cells, the size of RBC, and blood volume
what are the causes of low hematocrit?
anemia, over hydration, nutrition deficiencies (folate, iron, b12, b6), and leaukemia
what are the causes of high hematocrit?
dehydration, hypoxia, increase erthrocytosis, CHD, RHF
what is the definition of anemia?
reduced normal total of circulating RBC, or the quality or quantity of hemoglobin
what causes the lack of RBC and Hb?
impaired production
increased destruction
acute or chronic blood loss
combination
what are the basic manifestation of anemia?
reduced oxygen carrying capacity
what are the basic symptoms of anemia?
weakness, fatigue, dyspnea, increased heart rate, pallor
how do we classify cell size?
-cytic (normo, micro, macro)
how do we classify Hb content color?
-chromic (normo, hyper, hypo)