This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological diagnosis and operative surgery, Subject name: Gynaecology & Obstetrics
[{'content': 'Regard to the use of laser in gynecology , all are true except \nSelect and explain. \nA. Management of CIN, VIN, VAIN, B. Laser laparoscopy for ectopic pregnancy, C. Laser hysteroscopy for presacral neurectomy, D. It acts by tissue cutting, vapourization or coagulation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Indications of Laser CIN VIN VAIN Conisation of cervix Vaporization of endometriosis Laser laparoscopy for ovarian cystectomy,adhesiolysis,removal of ectopic pregnancy,presacrel neurectomy Laser laparoscopic assisted hysteroscopy for dividing large pedicles that have been coagulated or suture ligated Laser ablation of endometrium,resection of uterine septum,submucous fibroids D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY,Pg no:123,6th edition', 'role': 'assistant'}]