In the situation of systemic lupus erythematosis (called lupus),complexes of antibody and antigen form and these immune complexes insert themselves into small blood vessels,joints,heart,and kidney,causing damage to the organ tissue.The course of the disease is unpredictable,with periods of illness alternating with remissions.How is lupus,a type III hypersensitivity,similar to infectious allergy,a type IV hypersensitivity reaction?

Question

Quizplus · Accepted Answer

Both lupus (type III hypersensitivity) and infectious allergy (type IV hypersensitivity) involve the release of inflammatory chemicals into tissues, leading to tissue damage. However, their mechanisms differ, with lupus involving immune complexes and infectious allergy involving T-cell mediated responses.

In the Situation of Systemic Lupus Erythematosis (Called Lupus),complexes of Antibody