Question

which of the following is not true of type iii hypersensitivity?
multiple choice
antigen - antibody complexes are deposited in the basement membrane of epithelial tissues
involves production of igg and ige antibodies
involves an immune complex reaction
acute post - streptococcal glomerulonephritis is an example

Explanation:

To determine the false statement about type III hypersensitivity:

• Type III hypersensitivity involves immune complex reactions (antigen - antibody complexes depositing, e.g., in basement membranes, as seen in acute post - streptococcal glomerulonephritis).
• Type III is mediated by IgG (and sometimes IgM), not IgE. IgE is associated with type I hypersensitivity (immediate hypersensitivity like allergies). So the statement “Involves production of IgG and IgE antibodies” is incorrect.

Answer:

The option "Involves production of IgG and IgE antibodies" (the second option in the list of multiple - choice options).