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Latent TB screening — USMLE Step 3 MCQ

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ModeratePreventive Medicine, Epidemiology, BiostatisticsLatent TB screeningUSMLE Step 3

A 44-year-old man recently emigrated from a country with high tuberculosis prevalence. He is asymptomatic, has no prior TB treatment, and has normal vital signs. Physical examination is normal. Which of the following is the most appropriate next step in management?

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Correct answer: C — Screen for latent tuberculosis infection

Adults at increased risk, including those from high-prevalence countries, should be screened for latent TB infection.

Reference: USPSTF A and B Recommendations, 2025-2026: https://www.uspreventiveservicestaskforce.org/uspstf/recommendation-topics/uspstf-a-and-b-recommendations