A Patient Is Admitted with Chest Pain and Extreme Shortness

question 20

Multiple Choice

A patient is admitted with chest pain and extreme shortness of breath. Patient history is unremarkable except for ingestion of oral cefoxitin for the past 4 days. A DAT profile is positive with polyspecific AHG, negative with anti-IgG, and positive with anti-C3. The hemoglobin is 8.0 gm/dl. Based on these results, what mechanism of drug-induced hemolysis is present?

• A) Immune complex
• B) Autoantibody
• C) Drug adsorption
• D) Membrane modification

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