<prompt> Pressure employed, during suction evacuation, in MTP: September 2011200-400 mm Hg400-600 mm Hg600-800 mm Hg800-1000 mm Hg  <response>: Ans. B: 400-600 mm Hg The pressure of the suction is raised to 400-600 mm Hg, once the appropriate suction cannula is introduced into the uterus 