HEME 3.8 Flashcards
what are four causes of acquired anemias
- specific deficiencies
- blood loss
- chronic disease
- hemolysis
what is the most common type of anemia worldwide
Iron deficient anemia
without iron there is a defective synthesis of hemoglobin, resulting in RBCs that are both ___________ and ___________
microcytic, hypochromic
what causes pencil cells in a blood smear
because of unbalanced surface membrane to cytoplasmic volume due to reduced hemoglobin
what causes a cell to appear more pale
the lack of hemoglobin in the cell
A reduced rate of hemoglobin synthesis results in _____ cell divisions and subsequently ______ cells
more, smaller
what is Iron called once it is stored in the liver
Ferritin
what is the major cause of Iron deficiency in affluent countries
Blood loss
what two things can cause decreased Iron absorption
Problem with the GI tract
Drug impairing Iron absortpion
who is most likely to have dietary iron deficiencies
Vegans and elderly patients
when are the two most common examples of an increased need for Iron
Pregnancies and Growth spurts
