Gout and pseudogout 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 64-year-old woman comes to the physician complaining of pain in the right knee for the past day. The patient reports associated joint swelling, warmth, and redness. She says this has happened before in her knees and hips, but those episodes lasted for only a few hours and resolved spontaneously. She also reports feeling fatigued during the past several months, but attributes this to frequently waking up at night to urinate. The patient has also had to strain more than usual when having a bowel movement and frequently takes laxatives to help. Vital signs are within normal limits. Physical examination reveals swelling, erythema, and warmth of the right knee joint. It is tender to palpation with decreased active and passive range of motion. Laboratory studies show the following:



Arthrocentesis of the right knee is performed. Gram stain is negative. Polarized light microscopy shows rhomboid-shaped, weakly positively birefringent crystals. Further evaluation of this patient is most likely to show which of the following?

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