How can we help?

You can also find more resources in our Help Center.

23 terms

Manual RBC and WBC counts

STUDY
PLAY
anemia
RBC or Blood Hg level is below normal; resulting in decreased oxygen carrying capacity of blood
Aperture
An opening
cell diluting fluid
A solution used for diluting blood for cell counts
erythrocytosis
Excess RBC's in peripheral blood; polycythemia
polycythemia
an excess of RBC in the peripheral blood; erythrocytosis
hemolysis
rupture or destruction of RBC's releasing Hg
immunity
Resistance to disease or infection
Isotonic solution
Same conc. of dissolved particles as the solution or cell with which it is compared.
Leukemia
A chronic or acute disease involving unrestrained growth of leukocytes.
leukocytosis
increase above normal in number of leukocytes (WBC's) in the blood
leukopenia
decrease below normal in the number of leukocytes in the blood; leukocytopenia
unopette system
self filling, self diluting, manual cell counting method.
RBC unopette
-1.99 mL of red cell diluting fluid
-isotonic, preventing hemolysis
-capillary pipet carries 0.01 microliters blood
-a 1:100 dilution
WBC unopette
-1.98 microliter diluting fluid (3 %acetic acid)
-0.02 Milliliter capillary pipet
-a 1:100 dilution
-acetic acid lyses the RBC's to see WBC's
safety precautions
standard precautions. disposal in appropriate containers
RBC count
Center square's four corners and center square
RBC reference range
4-6 million per microliter
RBC Function
facilitates oxygen exchange in tissues.
anemia
decreased RBC production or Increased RBC loss or destruction
erythrocytosis
RBC count above normal
WBC reference range for newborns
9,000-30,000 per microliter
WBC reference range for older children
6,000-14,000 per microliter
WBC reference range for Adults
4,500-11,000 per microliter