Worksheet 2 Flashcards
what are reticulocytes
immature red blood cells
what are erythrocytes
mature red blood cells
what are the five leukocytes
Neutrophils
lymphocytes
monocytes
eosinophils
basophils
fragments of the cytoplasm of megakaryocytes, important for clotting and to stop bleeding
platelets
hemotopoiesis
production of blood cells
a cytokine produced by the kidneys that is responsible for producing RBCs
erythropoieten
a protein in the blood that carries oxygen to the rest of the body
hemoglobin
Where does the bulk of hematopoiesis occur?
red bone marrow
As an erythrocyte reaches maturity from its stem cell, it undergoes several changes. What happens to the size of the erythrocyte and to its nucleus?
They get smaller
lose their nucleus
gain hemoglobin
How many hematocrit tubes should you fill when performing a PCV? Why?
Two tubes, because one may shatter while it’s in the centrifuge. (not uncommon to see)
A.
serum or plasma
B.
buffy coat
C.
red blood cells
D.
clay (we put there - not part of blood)
E.
total volume
F.
PCV (packed cell volume) %
