Select true statements concerning supplies used in obstetric or gynecologic surgery. Select all that apply: Oxytocics are used to stimulate contractions and induce labor. Syntocinon is a solution applied to vaginal tissue to prevent bleeding. Pitocin is used intravenously to cause uterine contractions. Hyskon distends the uterus during laser hysteroscopies. Chromotubation checks patency of the ureters during an abdominal procedure. Normal tissue will not stain, but abnormal tissue will stain when a strong iodine solution is applied.