Several children in the summer Camper hospitalized which symptoms thought to be due to injection of food containing botulinum toxin. The effect of botulinum toxin are likely to include: (A) Bronchospasm, (B) Cycloplegia, (C) Diarrhea, (D) Skeletal muscle spasms
Answer is B. Ref-KDT 6/e p93 Botulinum toxin inteeres with the release of ACh and thus acts as a parasympatholytic agent. Bronchospasm and diarrhoea are the symptoms of muscarinic stimulation whereas muscle spasms may be seen on nicotinic. stimulation. Cholinergic drugs cause cyclospasm whereas anticholinergics result in cycloplegia.