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.
MAC is typically used in conjunction with topical and/or local anesthesia for cataract removal. This combination is the most common form of anesthesia used today in cataract surgery. General Anesthesia. General anesthesia is rarely used today for cataract surgery. However, in patients who suffer from dementia, claustrophobia, or mental retardation, or who are unable to remain still for the duration of surgery, general anesthesia may still be used.