MSK Quiz#28, Seronegative Spondyloarthritis  

1. A 27-year-old man presents to the clinic with chronic low back pain that improves with exercise but not with rest. He also reports occasional episodes of redness and pain in his eyes, diagnosed as anterior uveitis. His HLA-B27 test comes back positive. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 33-year-old female presents with asymmetric arthritis, dactylitis, and nail pitting. She also has plaques with silvery scales on her elbows and knees. Her HLA-B27 test is positive. Which of the following medications is most appropriate to address her condition? 

Question 2 of 5

3. A 24-year-old man presents with a history of urethritis, conjunctivitis, and arthritis following a gastrointestinal infection. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. A 30-year-old man with a history of inflammatory back pain and psoriasis presents with sudden onset of pain and swelling in his left ankle. On examination, you observe enthesitis at the Achilles tendon insertion. Which of the following is the most likely underlying condition? 

Question 4 of 5

5. A 22-year-old male presents with right knee arthritis and lower back pain. Three weeks prior, he had a diarrheal illness after eating at a fast-food restaurant. On examination, there is sacroiliac joint tenderness. Stool cultures at the time of his gastrointestinal symptoms were positive for Campylobacter jejuni. Which of the following is the most likely diagnosis? 

Question 5 of 5


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