Phlebotomy Chapter 6 part 2
which of the following would be considered a normal erythrocyte count
4.5 million/mm3
The normal composition of bloods is approximately
55 % plasma , and 45% formed elements
How large is a normal erythrocyte?
7 to 8 microns
which blood cell increases in allergic reactions and pinworm infestations?
Eosinophil
Which blood cell contains a nucleus
Leukocyte
which blood cell has the ability to pass through blood vessel walls
Leukocyte
Some of the cells give a rise to plasma cells
Lymphocytes
A platelet is actually a part of a bone morrow cell called a
Megakaryocyte
which type of cell is sometimes call a macrophage
Monocyte
which type of cell destroys pathogens by phagocytsis
Neutrophil
To prevent sensitization , RH immunoglobulin is give to
Rh - neg mothers who deliver Rh positive babies
A whole - blood specimen has an abnormally large buffy coat. This is an indication that the patient has:
an elevated leukocyte or platelet count
A person's blood type is determined by the presence or absence of certain types
antigens on the surfaces of the red blood cells
Normal plasma
clear or slightly hazy, pale yellow fluid that is 90 % water q
A person who has A-neg blood has red blood cells that
have a A antigen and lack the Rh antigen
which of the following is a term for Neutrophils
polys
A reticulocyte count identifies immature
red blood cell
Which of the following are normally the most numerous of the formed elements?
red blood cells
The liquid portion of a clotted specimen is called
serum
