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Pt2 on Hem1 Chp18 DT

2nd part of chapter 18 on Hematology 1 DelTech Owens

QuestionAnswer
RBCs are normally about __ um in size. 7
If RBCs are less than 6um, they are __. microcytic
If RBCs are more than 9um, they are __. macrocytic
Normally, __ percent of RBCs are lost per day. 1
What 3 things is RBC production dependent upon? Iron, B12, Folic Acid
If erythropoiesis is effective, __ percent of progenitor cells will become RBCs. 90
If erythropoiesis is ineffective, __ percent of progenitor cells will be destroyed in the bone marrow or immediately after release. 10
Decreased total and effective erythropoiesis is called __ __. aplastic anemia
Iron is store for __ months in the body. 6
In microcytic, hypochromic anemia, the MCV is less than __ and MCHC is less than __. MCV <80 and MCHC is <32
In macrocytic, normochromic anemia, MCV is more than __ and MCHC is more than __. MCV >100 and MCHC is >32
Microcytic, hypochromic anemia can be caused by these 6 things: 1) abnormality of HGB synthesis 2) Iron deficiency (in 90% cases) 3) Deficiency of heme synthesis (sideroblastic anemia) 4) Chronic disease 5) Deficiency of globin synthesis (thalassemias) 6) Iron level insufficient
Macrocytic, normochromic anemias are caused by these 6 things: 1) B12 or folate def 2) alcoholism 3) ovalocytes or tear drop cells 4) megaloblasts or NRBCs 5) Def. in DNA production (all cells affected) 6) Liver disease (symptoms include chronic hemolytic anemia, high retic count)
Created by: IsaacJ