Gross Anatomy USMLE Step 1 Practice Question
A 15-year-old female with chronic rhinitis, allergies, asthma, and nasal polyposis presents with fever (38.2°C), facial pain, and dental pain. Vital signs show BP 118/76, HR 92, RR 16, SpO2 98% on room air. CT imaging reveals opacification of the maxillary sinus with air-fluid level. Nasal endoscopy shows purulent drainage without septal deviation. She takes intranasal corticosteroids regularly. Mucopurulent exudate would most likely drain through an ostium in which anatomical location?
Answer choices
- ASuperior nasal meatus
- BHiatus semilunarisCorrect answer
- CInferior nasal meatus
- DSphenoethmoidal recess
- EBulla ethmoidalis
- FNasopharynx via the pharyngeal tonsil
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