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
Sallick's manouvere is used for – 
Select and explain. 
A. To prevent gastric aspiration, B. To facilitate Respiration, C. To reduce dead space, D. To prevent alveolar collapse
A: To prevent gastric aspiration
Answer: A: To prevent gastric aspiration 
Explanation: Sellick's manoeuvre is the application of back-ward pressure on cricoid cartilage to prevent regurgitation of gastric contents and its leaking into respiratory tract.