All of the following are except- advantages of LMA: (A) More reliable than face mask, (B) Prevent aspiration, (C) Alternative to Endotracheal intubation, (D) Does not require laryngoscop & Visualization
Answer is B. 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.