This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The following is used in treatment of achalasia cardia: \nSelect and explain. \nA. Botox, B. Antibiotic, C. Digoxin, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Botax is derived from botulinum toxin it prevents exocytosis of acetyl choline at synapse hence causes flaccid paralysis', 'role': 'assistant'}]