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what is the correct order of the phases of inflammation?
I. Alteration of vascular caliber
II. emigration of leukocytes from microcirculation to site of injury
III. changes of microvasculature
I, III, II
what best describes alteration of vascular caliber?
vasodilation of blood vessels that lead to increased blood flow
what best describes emigration of leukocytes from microcirculation?
leukocyte recruitment to injury site to remove offending agent
what best describes changes of microvasculature?
increased permeability of blood vessels for plasma proteins and cells to pass through
the following refers to
vascular changes
the following refers to
cellular events
why does swelling and edema occur in acute inflammation?
leaky blood vessels allow plasma to leak out
which of the following best describes increased permeability by endothelial cell retraction?
Histamine, bradykinins, and other mediators creates a gap between endothelial cells
which of the following best describes increased permeability by transcytosis?
small channels are formed across endothelial cells
which of the following best describes increased permeability by angiogenesis?
New blood vessels are bound weakly to one another, allowing plasma proteins and cells to pass through
which of the following best describes increased permeability by direct damage to endothelium?
Injury causes cell necrosis, creating a gap for plasma proteins and cells to pass through
what is the most common mechanism of vascular leakage (increased vascular permeability) seen in acute inflammation?
endothelial cell retraction
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