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: Anaesthesia
[{'content': 'Muscle most resistant to non depolarizing block is – \nSelect and explain. \nA. Intercostal, B. Abdominal, C. Diaphragm, D. Adductors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: To block diaphragm completely, it is most resistant. Complete blockade occurs even after limb muscles.', 'role': 'assistant'}]