Ankylosing spondylitis 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 24-year-old man comes to the office for evaluation of low back pain and stiffness for 2 months. The stiffness reaches maximum intensity upon awakening and gradually improves throughout the day with activity. He does not have a history of back trauma or any other past medical history. He is sexually active with one female partner and uses condoms consistently. Vitals are within normal limits. Physical examination shows loss of lumbar lordosis and restricted anterior flexion of spine. Babinski sign is negative. Which of the following diagnostic findings is most indicative of this patient’s underlying condition?
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