This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Muscle weakness may be a feature of all of the following EXCEPT: March 2013 \nSelect and explain. \nA. Progressive degeneration of muscle fibres, B. Magnesium deficiency, C. Myasthenia gravis, D. Physostigmine therapy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Physostigmine therapyNeuromuscular junction can be stimulated by some drugs like neostigmine, physostigmine and di-iso-propyl-fluoro-phosphate.', 'role': 'assistant'}]