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': "Sallick's manouvere is used for \nSelect and explain. \nA. To prevent gastric aspiration, B. To facilitate Respiration, C. To reduce dead space, D. To prevent alveolar collapse", 'role': 'user'}, {'content': "Answer: A \nExplanation: A i.e. To prevent gastric aspiration Sellick's manuvere is application of backward pressure on cricoid cailage to prevent gastric aspiration (Mandelson's syndrome).Q", 'role': 'assistant'}]