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5070 Microbiology

A 27-year-old female presents to the emergency room with a temperature of 103degF, severe fatigue, weight loss, and joint pain. During the history and physical examination, the patient reports that she stopped taking her aspirin and corticosteroids to control her condition. A butterfly-type rash over her cheeks, sensitivity to light, and a heart murmur are apparent. The patient also reports a history of a progressively developing arthritis and glomerulonephritis. Laboratory tests further indicate anemia, leukopenia, and thrombocytopenia. This condition is best diagnosed by the presence of which of the following?

AAnticentromere antibodies
BAnti-dsDNA antibodies
CAntimitochondrial antibodies
DAntineutrophil antibodies
Microbiology
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5072 Microbiology

A 65-year-old diabetic man presents to the emergency room with a severe productive cough producing thick bloody sputum resembling a “currant-jelly” like appearance. Culture using MacConkey agar reveals pink colonies, with large mucoid colonies on routine laboratory media. Which of the following organisms is most likely responsible for this patient’s pneumonia?

AEnterobacter cloacae
BEscherichia coli
CKlebsiella pneumoniae
DPseudomonas aeruginosa
Microbiology
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