exists and is an alternate of . The four types of membranes are: 1) cutaneous membranes; 2) serous membranes; 3) mucous membranes; and 4) synovial membranes. Mucous membranes are tissues that line body cavities or canals such as the throat, nose, mouth, urethra, rectum, and vagina.
A laryngeal mask. A laryngeal mask airway â also known as laryngeal mask and supraglottic airway â is a medical device that keeps a patient's airway open during anaesthesia or unconsciousness.
Anesthesia for Gallbladder Surgery. General anesthesia is used during gallbladder surgery. The surgery begins with the administration of an IV sedative to relax the patient. Once the drug takes effect, the anesthesia provider inserts a breathing tube, or endotracheal tube, through the patientâs mouth into the windpipe.