Collagen 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 5-year-old girl is brought to the emergency department by her parents for right arm pain. She was playing with her younger brother when she was pushed down to the ground, and she subsequently felt sharp pain in the right arm. The girl was born via an uncomplicated vaginal delivery at 38-weeks gestational age. The patient has speech delay and mild hearing loss. Past medical history is notable for a left femoral fracture that occured after a fall from standing-height. Family history is significant for multiple fractures since childhood and hearing loss in the patient’s mother. The patient is at 30th percentile for height and weight. Vitals are within normal limits. Ophthalmological examination reveals the following finding:

A close-up of a person's eyes shows a condition called blue sclera, where the white parts of the eyes have a distinct blue tint. The pupils are dark, eyelashes are visible.
Image reproduced from Wikimedia Commons

Which type of collagen is most likely to be defective in this patient?

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