ERYTHROPOIESIS Flashcards
1
Q
production of RBCs, occurs in bone marrow
A
erythropoiesis
2
Q
erythrocyte precursors are derived from what kind of stem cells?
A
pluripotent hematopoietic stem cell
3
Q
erythropoiesis is stimulated by?
A
erythropoietin
4
Q
anucleate cell aka?
A
erythrocyte
5
Q
cytoskeleton maintains shape as biconcave disk because?
A
allows for greater flexibility and transit through vasculature
6
Q
erythrocyte contain mostly?
this survives how many days
A
hemoglobin
120
7
Q
immature enucleated erythrocyte
these contain high concentrations of?
A
reticulocyte
rRNA
8
Q
increased reticulocyte levels, easily noted on blood smear
A
polychromasia
9
Q
RBC precursor
presence in adult peripheral blood is normal or abnormal, if so, what does this indicate?
A
nucleated RBCs (normoblast)
abnormal
brisk erythropoiesis
