Antibody found in patients with myasthenia gravis is directed against: (A) Acetylcholine, (B) Acetylcholine receptor, (C) Acetylcholine vesicles in nerve terminals, (D) Actin myosin complex of the muscle
Answer is B. Ref Robbins 9/e p195 Myasthenia gravis Acetylcholine receptor Antibody inhibits acetylcholine binding, downmodulates receptors Muscle weakness, paralysis