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Infectious Disease Flashcards

7 cards from real AANP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Infectious Disease flashcards as text

  1. A 34-year-old nonpregnant woman presents with a 7-cm expanding annular erythematous lesion on her thigh after hiking in Connecticut. What is the first-line treatment?

    Answer: Doxycycline 100 mg twice daily for 10 days

    Doxycycline for 10 days is first-line for erythema migrans in early localized Lyme disease.

  2. A 5-year-old presents with fever, headache, and a petechial rash starting on the wrists and ankles after a tick bite in North Carolina. What is the treatment of choice?

    Answer: Doxycycline

    Doxycycline is the drug of choice for suspected Rocky Mountain spotted fever at any age because delayed treatment increases mortality.

  3. Which regimen for latent tuberculosis infection consists of once-weekly dosing for 12 weeks?

    Answer: Isoniazid plus rifapentine

    The 3HP regimen is isoniazid plus rifapentine given once weekly for 12 doses.

  4. A 28-year-old man has a painless, indurated genital ulcer and a reactive RPR confirmed by treponemal testing. He has no drug allergies. What is the recommended treatment?

    Answer: Benzathine penicillin G 2.4 million units IM once

    Primary syphilis is treated with a single IM dose of benzathine penicillin G 2.4 million units.

  5. A pregnant patient at 20 weeks is diagnosed with secondary syphilis and reports a history of penicillin anaphylaxis. What is the appropriate management?

    Answer: Penicillin desensitization followed by benzathine penicillin G

    Penicillin is the only proven therapy to prevent congenital syphilis, so allergic pregnant patients should be desensitized.

  6. Per current CDC guidelines, what is the recommended treatment for uncomplicated urethral gonorrhea in a 75-kg adult?

    Answer: Ceftriaxone 500 mg IM once

    CDC recommends a single 500 mg IM dose of ceftriaxone for patients under 150 kg.

  7. What is the CDC-preferred treatment for urogenital chlamydia in a nonpregnant adult?

    Answer: Doxycycline 100 mg twice daily for 7 days

    Doxycycline for 7 days is now preferred over azithromycin due to better efficacy, especially for rectal infection.

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Sources & references

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  1. aanpcert.org — Eligibility, exam format, passing score, retake policy, score release, test dates, time limit, score validity, test delivery, registration · verified Nov 2026
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