Regarding the cellular mechanisms of vascular leakage, which of the following is
A. the ‘immediate transient response’ only occurs in venules of 20-60 µm diameter.
B. sunburn can cause a delayed and prolonged vascular leakage.
C. the endothelial injury caused by leukocytes is due to free radical-induced damage.
D. the cytoskeletal and junctional retraction mechanism is mediated by the complement
E. the most common mechanism for increased vascular permeability is “endothelial
contraction” (“immediate transient response”)

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