Wilson disease 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 12-year-old boy is brought to the pediatrician by his parents due to personality changes, difficulty speaking, and impaired balance over the past year. They describe the patient as a previously bright, cheerful child who enjoyed activities at school and socializing with friends. Over the last several months, he has become very impulsive and irritable and is also having significant trouble completing homework on time. The patient also used to be an avid soccer player but recently dropped out of the team due to poor performance and lack of interest. Vitals are within normal limits. Physical examination of the patient shows significant loss of coordination and dysarthric speech. Slit-lamp examination of the eyes is shown below:  

 
 Reproduced from: Wikimedia Commons
   
Which of the following additional findings is most likely to be found in this patient on further testing?   

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