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31956 Surgery

A 24-year-old woman presents with a 3-day history of fever and cough with rust-colored sputum. He had splenectomy 1 year ago. CXR film indicates consolidation of right lower lobe. Blood cultures are positive for alpha hemolytic gram-positive diplococci. Immunity to the causative organism is based on

AAlternative complement pathway activation
BAntibody to fimbriae
CIgA antibodies to C carbohydrate
DIgG antibodies to a surface acidic polysaccharide
Surgery
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