Please Select the Correct Sequence of Events That Occur During

Please select the correct sequence of events that occur during an immune-complex hypersensitivity reaction.
1)  When antigen is in slight excess, immune complexes form.
2) Immune-complexes activate complement, resulting in increased vascular permeability.
3) Neutrophils are attracted, and release enzymes that cause tissue damage.
4) Circulating immune complexes are trapped in the blood vessels, initiating inflammation.

A) 1, 2, 3, 4
B) 1, 2, 4, 3
C) 4, 3, 1, 2
D) 1, 3, 2, 4
E) 4, 3, 2, 1

Correct Answer:

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