Immunopathology — MCQs

In which condition are plasma cells increased?

Early complement deficiency can manifest as?

A 55-year-old male presented with dry mouth and rheumatoid arthritis with high titres of anti-SS-A and anti-SS-B antibodies. He was diagnosed with a minor salivary gland tumor. What is the earliest histologic finding in this condition?

RA antibody causes which type of hypersensitivity?

Which thyroid carcinoma is associated with calcitonin amyloid deposition?

A 31-year-old man with AIDS complains of difficulty swallowing. Examination of his oral cavity demonstrates whitish membranes covering much of his tongue and palate. Endoscopy also reveals several whitish, ulcerated lesions in the esophagus. These pathologic findings are fundamentally caused by loss of which of the following immune cells?

A 26-year-old systems analyst presents for evaluation of a bee sting allergy. He describes an episode in which he was stung on the forearm by a bee and, within 5 minutes, experienced pruritus, urticaria, and mild wheezing. What is the primary effector cell involved in this type of immediate hypersensitivity reaction?

Pathological findings of Sjogren's syndrome include all except:

C-ANCA is present in which of the following conditions?

What is true about hyperacute rejection in renal transplant?