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: Forensic Medicine
[{'content': 'Atropine should never be staed when the patient is cyanosed due to danger of : \nSelect and explain. \nA. Cerbral edema, B. Respiratory arrest, C. Ventricular fibrillation, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Respiratory arrest', 'role': 'assistant'}]