Autoimmunity an hypersensitivity

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Autoimmunity occurs when the immune system succeeds to distinguish between self and non-self.

False, Autoimmunity arises from the immune system mistakenly attacking its own tissues.

Plasma cells are derived from activated B lymphocytes.

True, Once activated, B cells differentiate into plasma cells that secrete antibodies.

Natural immunity provides immediate and specific defense.

False, Natural (innate) immunity is fast but not antigen-specific.

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