Explain why each choice (a-d) is correct or incorrect.  Which of the following examples below describes an autoimmune disease? a. Infection and death of T helper cells by a virus, resulting in a loss of adaptive immunity b. Release of bacterial endotoxins that block acetylcholine release result in muscle paralysis. c. Antibody binding to acetylcholine receptors of the motor end plate resulting in muscle weakness. d. Uncontrolled cell division resulting in cell surface abnormalities recognized by NK cells.

Explain why each choice (a-d) is correct or incorrect. 

Which of the following examples below describes an autoimmune disease?

a. Infection and death of T helper cells by a virus, resulting in a loss of adaptive immunity

b. Release of bacterial endotoxins that block acetylcholine release result in muscle paralysis.

c. Antibody binding to acetylcholine receptors of the motor end plate resulting in muscle weakness.

d. Uncontrolled cell division resulting in cell surface abnormalities recognized by NK cells.