Headaches 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 55-year-old woman comes to the office due to 2 months of episodic jaw pain. She describes sharp shooting, “shock like” pain over the left side of her jaw that typically lasts for a few seconds. She has noticed a few times that the pain has occurred while she was eating dinner, and once while she was brushing her teeth. Physical examination shows no abnormalities. The patient is started on the first line medication for her condition. During her one month follow-up appointment, she states that her symptoms have improved significantly, but she describes feeling some dizziness and instability. Which of the following is the mechanism of action of the medication being used by this patient?  

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