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Autism spectrum disorder — USMLE Step 2 CK MCQ

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EasyPediatricsAutism spectrum disorderUSMLE Step 2 CK

A 15-year-old White girl comes to the emergency department because of new symptoms noticed by a caregiver. History and focused examination are notable for poor eye contact, delayed social communication, repetitive behaviors, and language delay. Temperature is 100.6°F (38.1°C), blood pressure is age appropriate, pulse is 128/min, respirations are 32/min, and oxygen saturation is 96% on room air. Physical examination confirms the key finding and shows no unrelated abnormality that would better explain the presentation. Growth parameters, hydration status, and focused testing are consistent with the described pediatric presentation. Which of the following is the most appropriate next step in management?

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Correct answer: E — Formal developmental evaluation

The vignette describes Autism spectrum disorder, supported by poor eye contact, delayed social communication, repetitive behaviors, and language delay. Formal developmental evaluation is the single best answer because it matches the diagnostic or management priority in this clinical setting. The other choices are plausible alternatives in related presentations, but they do not best fit the timing, findings, and guideline-directed approach described here.

Reference: AAP Autism Spectrum Disorder Guideline