Rheumatology and Immunology — MCQs

A young male patient has a history of diarrhea 3-4 weeks ago, and is now complaining of right knee pain, swelling in other joints with signs of inflammation and dactylitis. What is the most probable causative organism?

Anti-alpha fodrin autoantibodies are seen in which of the following conditions?

A 52-year-old female presents with dysphagia, heartburn, and joint pain in her fingers. She reports her fingers and toes turn blue upon exposure to cold. Physical examination reveals thickened skin of her fingers and tender, painful small lumps under the skin of the flexor surface of her hands, some of which drain a white, chalky substance. What is the clinical diagnosis?

Which of the following is more frequently seen in Churg Strauss Syndrome compared to Wegener's Granulomatosis?

Which of the following is the most frequent presenting symptom in patients with giant cell arteritis?

A 20-year-old male presents with a 2-week history of knee joint pain. He also reports mild backache and stiffness. Four weeks prior to these complaints, he experienced fever and diarrhea. The patient is currently afebrile and has no diarrhea. His laboratory investigations reveal normal ESR and elevated CRP. What is the most probable diagnosis?

A 35-year-old woman presents with a red rash over her cheeks and pain and swelling in both knees and several small joints in her hands. She has a history of hypertension and was started on a new medication for blood pressure control two months ago. Her ANA and anti-histone antibodies are positive. Which of the following medications is most likely to have caused her condition?

Which joint is rarely affected by ankylosing spondylitis?

Which antibody is associated with neonatal lupus and conduction abnormalities in the heart?

Heerfordt's syndrome consists of fever, parotid enlargement, facial palsy, and which of the following?