<prompt> Which of the following is not true regarding cryosurgery: March 2011Done without anaesthesiaTemperature is below freezing pointDone in CINNitrous oxide is widely used  <response>: Ans. D: Nitrous oxide is widely used Cryosurgery is suited for small lesions dysplasia and CIN It is done as an OPD procedure without analgesia CO2 -60 degree C, Freon -60 degree C and nitrous oxide -80 degree C are the freezing agents 