Place the events of inflammation in chronological order. Clotting and swelling walls off the injured area from the rest of the body. Fluid and clotting factors escape into tissues. Release of histamine leads to dilation of blood vessels. Macrophage phagocytize pathogens and stimulate immune responses. Monocytes and neutrophils migrate into injured tissue.

Correct Answer: C

Rationale: Histamine dilates vessels, fluid escapes, clotting occurs, phagocytes migrate, then macrophages act.

Correct Answer: B

Rationale: Thoracic duct drains left arm lymph into the left subclavian vein; inferior vena cava is venous, right duct drains right side, and aorta is arterial.

Correct Answer: D

Rationale: Type III deposits complexes in vessels ; complexes alone don't imply disease , it's exogenous , Pemphigus is antibody-mediated , and TH2 drives IgE .

Correct Answer: B

Rationale: Common lymphoid progenitor gives rise to B and T cells; myeloid forms others, fibroblasts and endothelial don't.

Correct Answer: C

Rationale: Neutralizing antibodies block viruses; degrading and normalized are not terms, mucosal is less specific.