Pediatric musculoskeletal 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 16-year-old girl comes to her pediatrician’s office for evaluation of left knee pain. The pain has been present for the past 3-4 months, and worsens with running, prolonged sitting, or when going up or down steps. The patient also mentions episodes of her left knee “buckling.” She has taken ibuprofen which occasionally alleviates the pain. Vitals are within normal limits. BMI is 19.5 kg/m². Physical examination shows a normal gait. There is no visible knee deformity. When the patient is asked to perform squats, there is significant pain in the left knee. Which of the following best describes the etiology of this patient’s condition?

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Displacement of the femoral epiphysis from the femoral neck

Chronic avulsion of the secondary ossification center of the tibial tuberosity

Muscular imbalance and decreased stability of the patellofemoral joint

Infectious arthritis of the joint space

Abnormal formation of the acetabulum and the femoral head