Which of the following organisms is most likely to be implicated as a cause of urethritis that persists after antibiotic therapy for gonorrhea?
Correct Answer: Chlamydia
Description: Chlamydia, Mycoplasma, and Ureaplasma are not effectively treated by penicillins and cephalosporins, and are impoant causes of post-gonococcal urethritis. Chlamydial urethritis can be diagnosed by using fluorescent antibodies to identify inclusions in epithelial cells. Actinomyces is a mouth commensal that rarely causes a deeper oral infection. Mycobacteria cause chronic granulomatous diseases such as tuberculosis and leprosy. Nocardia can cause necrotizing pneumonia and disseminated disease.
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Gynaecology & Obstetrics
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