This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Mr James has just been diagnosed with Myasthenia gravis. You are his physician and considering different Therapies for his disease. Neostigmine and pyridostigmine may cause which of the following \nSelect and explain. \nA. Bronchodilation, B. Diarrhea, C. Cycloplegia, D. Inversible inhibitor action of acetylcholinesterase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref-KDT 6/e p101 Neostigmine and pyridostigmine are reversible chlolinesterase inhibitors that can cause cholinergic adverse effects like diarrhea and increase secretions', 'role': 'assistant'}]