Sickle cell disease (NORD) 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 45-year-old man comes to the primary care office because of a three-month history of progressive fatigue, abdominal pain, and darker-than-normal urine, especially in the morning. Temperature is 37°C (98.6°F), pulse is 80/min, respirations are 12/min, and blood pressure is 128/82 mmHg. Physical examination is within normal limits. Laboratory tests are obtained, and the results are shown below.


Sucrose hemolysis test is positive. The patient's condition is most likely attributed to which of the following?

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