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USMLE · Question #423

USMLE Question #423: Real Exam Question with Answer & Explanation

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Question

A 5-year-old child, who has not had routine pediatric care, develops a febrile disease with cough and a blotchy rash and is brought to the emergency department. On physical examination, there is cervical and axillary lymphadenopathy. Also noted is an erythematous, maculopapular rash behind the ears and along the hairline, involving the neck and, to a lesser extent, the trunk. Examination of this patient's oropharynx would most likely reveal which of the following lesions?

Options

  • AAdherent thin, whitish patch on gingiva
  • BCold sores on the lips
  • CCurdy white material overlying an erythematous base on the oral mucosa
  • DLarge shallow ulcers on the oral mucosa
  • EMultiple small white spots on the buccal mucosa

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