5. Immunology and Serology
Autoimmune Testing — Quiz
Test your understanding of autoimmune testing with 5 practice questions.
Practice Questions
Question 1
A patient presents with symptoms of Raynaud's phenomenon, sclerodactyly, and esophageal dysmotility. Their ANA test is positive with a centromere pattern. Which specific autoantibody is most likely to be positive in this patient, confirming the diagnosis?
Question 2
Which of the following laboratory techniques is considered the gold standard for detecting and characterizing antinuclear antibody (ANA) patterns?
Question 3
A patient with suspected autoimmune hepatitis has a positive ANA test with a homogeneous pattern. Which additional specific autoantibody test would be most appropriate to confirm this diagnosis?
Question 4
Which of the following statements most accurately describes the clinical utility of a negative Extractable Nuclear Antigen (ENA) panel result following a positive Antinuclear Antibody (ANA) test?
Question 5
A patient presents with symptoms of dry eyes, dry mouth, and joint pain. Their ANA test is positive with a speckled pattern. Which specific autoantibody, often included in an ENA panel, would be most indicative of Sjögren's syndrome?