This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthetic equipments, Subject name: Anaesthesia
All of the following are except- advantages of LMA 
Select and explain. 
A. More reliable than face mask, B. Prevent aspiration, C. Alternative to Endotracheal intubation, D. Does not require laryngoscop & Visualization
B: Prevent aspiration
Answer: B: Prevent aspiration 
Explanation: LMA is also called Brain mask .It is a supraglottic airway device.It is intermediate between face mask and ETT. Used in difficult airway,in minor and day care surgeries,no muscle relaxant is necessary Disadvantage is it doesn&;t prevent aspiration of gastric contents.