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HS130 chp 1
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the liquid portion of the blood
Plasma
a red blood cell
Erythrocyte
a white blood cell
Leukocyte
a platelet, involved
in blood clotting
Thrombocytes
an inability of the blood to carry sufficient oxygen to the tissues
Anemia
a laboratory test to
determine the total volume of the red blood cells
Hematocrit or sed rate
used to determine the types of “antigens” located on the red blood cell to facilitate blood
transfusions
Blood typing
blood minus its cells
plasma
where are RBC formed
red bone marrow
what is the RBC structure
disk-shaped,
without nuclei
what is the function of RBC
transport oxygen and carbon dioxide
anemia is caused by
•Inadequate RBC numbers
•Deficiency of hemoglobin
•Pernicious anemia—deficiency of
vitamin B12
abnormally high RBC count
Polycythemia
what is the function of WBC
defense
abnormally low WBC count
Leukopenia
abnormally high WBC count
Leukocytosis
produce antibodies
Lymphocytes
protect against parasitic irritants that cause allergies
Eosinophils
produce heparin, which inhibits clotting
Basophils
stages of clotting
cut in vessel
prothrombin released
Prothrombin activator and calcium convert prothrombin to thrombin
Thrombin triggers formation of fibrin, which traps RBCs to form a clot
substance that can activate immune system
Antigen
substance made by body in response to stimulation by an antigen
Antibody
Rh factor antigen present in RBCs
Rh-positive blood
Rh factor antigen absent in RBCs
Rh-negative blood
may occur when Rh-negative mother
carries a second Rh-positive fetus; caused by mother’s Rh antibodies reacting
with baby’s Rh-positive cells
Erythroblastosis fetalis
Author
akanemb
ID
264297
Card Set
HS130 chp 1
Description
diseases of the human body
Updated
2/27/2014, 11:43:46 PM
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