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
In emergency caesarian section rapid induction of anaesthesia is done to – 
Select and explain. 
A. Prevent gastric aspiration, B. Prevent fetal depression, C. To decrease awareness, D. All of the above
A: Prevent gastric aspiration
Answer: A: Prevent gastric aspiration 
Explanation: Rapid sequence induction is given for emergency surgery and patient has full stomach. Therefore, the objective of rapid sequence anaesthesia is to secure the airway rapidly and prevent aspiration of gastric contents.