Neuroblastoma 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 15-month-old boy is brought to the clinic after his parents noticed frequent falls and abnormal twitching of his limbs over the past month. Prior to the onset of these symptoms, the patient had been walking without assistance and developing normally. Vital signs are within normal limits. Physical examination shows bilateral jerking eye movements and sporadic muscle contractions of the trunk and limbs. The patient has difficulty walking in a straight line and stumbles several times. A left-sided abdominal mass is palpated. Biopsy of the mass reveals small, round, blue cells arranged concentrically around a central neuropil. Staining with neuron-specific enolase is positive. Based on these findings, which of the following is most likely to be elevated?  

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