Lysosomal storage disorders Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 3-year-old girl is brought to the clinic for evaluation of abnormal development and poor performance at school. The child is currently seeing an ophthalmologist for evaluation of poor vision. The parents state the child has had difficulty walking on her own over the past few months, and they have noted a curvature to her spine causing her to walk with a “hunched back.” The patient has a history of multiple sinus and respiratory infections over the past 2 years, requiring antibiotics for treatment. The family is part of an Amish community. Head circumference is above the 95th percentile. Facial features are notable for a prominent forehead, flat nose bridge and enlarged lips, gums, and tongue. Abdominal examination reveals hepatosplenomegaly and an umbilical hernia. Ophthalmic examination reveals corneal clouding. Fundoscopic examination reveals optic atrophy.  Which of the following is the most likely diagnosis?

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