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qid 6612 · health
Question: A sexually active 23-year-old man with multiple sex partners has dysuria and a yellow urethral exudate. Gram stain of the exudate shows numerous neutrophils, many that contain intracellular gram-negative diplococci. He has had three similar episodes of urethritis over the past 2 years. Which of the following properties of the infecting organism best explains the reinfection?
- Resistance to antibiotics
- Inhibition of T-lymphocyte function
- Catalase
- Inhibition of neutrophil function
- Suppression of host immune response
- Production of exotoxins
- High mutation rate
- Inhibition of B-lymphocyte function
- Ability to form biofilms
- Antigenic variation
Our answer: J. Antigenic variation Source quote machine-checked (strict)
How it was answered
Multi-step solver (maze), replayed by code
Current source
Wikipedia, "Neisseria gonorrhoeae"
https://en.wikipedia.org/wiki/Neisseria_gonorrhoeae
Source quote machine-checked (strict)
Earlier version (superseded)
https://www.cdc.gov/mmwr/volumes/70/rr/rr7004a1.htm
Source weak (http_get_200_text_and_question_terms)
Earlier version (superseded)
No public source has been found for this card yet (3 places checked internally).