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Pathology · Infectious pathology: acute bacterial inflammation
Sample itemWhich type of inflammatory infiltrate predominates in acute pyogenic bacterial infection?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Neutrophils
Acute pyogenic infections stimulate recruitment of neutrophils, which phagocytose bacteria and contribute to pus formation. Mononuclear cells predominate later in chronic inflammation.
Option by option
A. Plasma cells
Plasma cells are more typical of chronic antibody-producing infiltrates.
B. Eosinophils only
Eosinophils are prominent in allergy and helminthic infection.
C. Neutrophils (correct)
Correct. Neutrophils are the principal early responders to pyogenic bacteria.
D. Fibroblasts only
Fibroblasts participate in repair rather than acute pus formation.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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