#may2020mccqe1
A 50-year-old man comes to the physician with hemoptysis and diffuse joint pain. He states that both his father and cousin had similar symptoms and were diagnosed with microscopic polyangiitis, a disease affecting medium-to small-sized arteries that is believed to have an autoimmune component to its pathogenesis. Which of the following autoantibodies might be present in this patient?
(A) Anticentromere antibodies
(B) Antineutrophil cytoplasmic autoantibodies
(C) Anti-Smith antibodies
(D) Anti-SS-A (Ro) antibody
(E) Anti-SS-B (La) antibody
A 50-year-old man comes to the physician with hemoptysis and diffuse joint pain. He states that both his father and cousin had similar symptoms and were diagnosed with microscopic polyangiitis, a disease affecting medium-to small-sized arteries that is believed to have an autoimmune component to its pathogenesis. Which of the following autoantibodies might be present in this patient?
(A) Anticentromere antibodies
(B) Antineutrophil cytoplasmic autoantibodies
(C) Anti-Smith antibodies
(D) Anti-SS-A (Ro) antibody
(E) Anti-SS-B (La) antibody
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