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bi240 acute vs chron

GRCC BI240 Acute vs. Chronic

QuestionAnswer
which cells are involved in acute inflammation. Neutrophils, macrophages, and lymphocytes if an immune response is involved.
Cells involved in chronic Lymphocytes, macrophages and fibroblasts (scar tissue)
Which leukocyte is the first line of defense in the inflammatory process? Neutrophil- it helps with acute inflamation.
neutrophil phagocytes in the early inflammation site where it ingests foreign invaders leaving behind pus.
eosinophils Allergic & parasitic reactions elevate these
Releases chemicals that spread inflammation. eosinphils
basophils Degranulates, releases histamine leading to inflammation.
lymphocytes Chief WBC in chronic inflammation.
B- lymphs produce antibodies
T-lymphs cell mediated immune response (activates macrophages, natural killers, t cells)
mast cells located in connective tissue
what reacts to varioius stimuli to mpromote inflammation? mast cells
What does mast cells contain? granules of heparin, serotonin, bradykinin & histamine)
How long does it take mast cells to react? Once released (degranulated) they act immeadiately.
What stimulates mast cells to degranulate? physical injury, Chemical agents (anaphylatoxins), IgE (allergies, hypersensitive reactions), and complement system.
Chemical agent that stimulates the mast cell to degranulate. anaphylatoxins
What is the function of IgE? it stimulates mast cells to degenerate and related to allergies, hypersensitivity reactions.
Complement system consists of plasma proteins that stimulates what? the mast cells to degenerate.
Within the mast cell is histamine, these granules do what? promotes vascular permability via vasodilation.
mast cells contain neutrophil and eosinophil chemotactic factor that does what? a biochemical substance that attracts leukocytes to the site of inflammation.
Created by: Wends1984
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