Quiz — Pediatric oncologic emergencies Step 2 CK level. Every answer you grade feeds the spaced-repetition review queue.
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A 14-year-old with a newly diagnosed anterior mediastinal mass has facial plethora, distended neck veins, and worsening dyspnea when lying flat. Which action is most appropriate?
A Arrange general anesthesia for an open biopsy today B Keep the patient upright, obtain the least invasive diagnostic sample, and involve anesthesia and critical care before any sedation C Place a large-bore peripheral IV in the lower extremity and transfuse packed red cells D Start empiric chemotherapy without a tissue diagnosis in all cases