Author: Anonymous

A patient with influenza develops apoptosis of infected epithelial cells after release of perforin and granzymes. Which immune cell performed this function?

A mutation prevents receptor editing during B-cell development. Which outcome is expected?

A patient develops severe autoimmune disease after mutation of FoxP3. Which syndrome is most likely?

An individual is infected but has no symptoms while shedding virus. This individual is best described as:

Which type of transmission best describes HIV spread from mother to infant during pregnancy?

A patient develops generalized urticaria within minutes after receiving intravenous contrast media. Which mediator is primarily responsible for immediate vasodilation and increased vascular permeability?

A patient develops generalized urticaria within minutes after intravenous penicillin. Which mediator is responsible for bronchoconstriction during the late phase of the reaction?

A patient with severe eczema, thrombocytopenia, recurrent infections, and elevated IgE is diagnosed with Wiskott–Aldrich syndrome. Which immune function is primarily abnormal?

Patients with terminal complement deficiencies are especially susceptible to infections caused by:

A mutation in AIRE prevents expression of peripheral tissue antigens within the thymus. Which disease mechanism becomes more likely?