This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Pressure employed, during suction evacuation, in MTP: September 2011 
Select and explain. 
A. 200-400 mm Hg, B. 400-600 mm Hg, C. 600-800 mm Hg, D. 800-1000 mm Hg
B: 400-600 mm Hg
Answer: B: 400-600 mm Hg 
Explanation: 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