Welcome to Westonci.ca, the Q&A platform where your questions are met with detailed answers from experienced experts. Experience the ease of finding accurate answers to your questions from a knowledgeable community of professionals. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

An autoimmune disease occurs when:
A. Cytotoxic T cells attack B cells.
B. Immune cells react to antigens normally present on host cells.
C. Macrophages engulf virus infected host cells.
D. There is an unregulated release of cytokine by helper T cells.