What is the role of antibodies in the immune response?

Explanation:Destroying infected cells. Antibodies are produced by B cells in response to a specific pathogen and play a crucial role in identifying and neutralizing the invading pathogens, including infected cells.

Incorrect choices:

b. Attracting white blood cells to the site of infection is not the primary role of antibodies. White blood cells are attracted to the site of infection by chemical signals released by damaged tissues or pathogens.

c. Antibodies do not produce hormones. Hormones are chemical messengers produced by endocrine glands to regulate various bodily functions.

d. Antibodies do not regulate body temperature. Body temperature regulation is mainly controlled by the hypothalamus in the brain.

Explanation: Celiac disease is an autoimmune disorder in which the immune system attacks and damages the lining of the small intestine in response to the ingestion of gluten, a protein found in wheat, barley, and rye.

Incorrect choices:
a. Rheumatoid arthritis primarily affects the joints, not the small intestine.
b. Sjögren's syndrome primarily affects the salivary and lacrimal glands, not the small intestine.
d. Type 1 diabetes mellitus is an autoimmune disorder in which the immune system attacks and destroys insulin-producing beta cells in the pancreas, not the small intestine.