Botulinum toxin acts on: (A) Parasympathetic system, (B) Sympathetic system, (C) Brain, (D) Sensory nerves
Answer is A. It acts by blocking the production and release of acetylcholine at synapses and NMJ. Thus affects the parasympathetic system. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 269