<prompt> Pressure needed for abdominal insufflation in laparoscopy is:10 mm Hg20 mm Hg30 mm Hg40 mm Hg  <response>: Laparoscopic surgery can be performed under local anesthesia, but general anesthesia is preferable. Under local anesthesia, N2O is used as the insufflating agent, and insufflation is stopped after 2 L of gas is insufflated or when a pressure of 10 mmHg is reached. Ref: Schwazs principle of surgery 9th edition, chapter 14. 