Osteomalacia and rickets 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 7-year-old boy is brought to the pediatrics PA by his parents because of bone pain and an abnormal gait pattern. The patient and his family recently immigrated to the United States from Southeast Asia and previously had limited access to healthcare. According to the parents, the patient’s past medical history is notable for several episodes of pneumonia and greasy foul-smelling stools. His diet consists of fish, vegetables, and some meats. Vitals are within normal limits. He is below the 10th percentile for height and weight. Physical examination is notable for bowing of the legs and tenderness on palpation of the lower extremities. Laboratory testing reveals the following findings:  
A table lists lab values for Sodium, Potassium, Calcium, and Phosphorous. It shows result and reference ranges. Calcium and Phosphorous are below range.
Which of the following is the most likely explanation for the patient’s symptoms?  

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