<prompt> All of the following are except- advantages of LMAMore reliable than face maskPrevent aspirationAlternative to Endotracheal intubationDoes not require laryngoscop Visualization  <response>: 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. 