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

264297

Card Set

HS130 chp 1

Description

diseases of the human body

Updated

2014-02-27T23:43:46Z

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