Concussion and traumatic brain injury 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 20-year-old man is brought to the emergency department following a motor vehicle crash in which he was the restrained driver and crashed into a standing car. In the ambulance, the patient is obtunded with a Glasgow scale of 4. Upon arrival at the emergency department, he is immediately intubated and taken for trauma CTs, which demonstrate multiple lesions at the gray-white junction. Vital signs are within normal limits. One day later, the patient remains in a coma and without a change in Glasgow scale, despite ventilator and sedation weaning strategies. Which of the following best explains this patient’s clinical presentation?  

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