Which of the following is an oxytocin antagonist?: (A) Ritodrine, (B) Atosiban, (C) Isoxsuprine, (D) Methergine
Answer is B. AtosibanREF: Danfoh's Obstetrics and Gynecology 10th Edition page 175-178, http://en.wikipedia.org/ wiki/Tocolytic See APPENDIX-64 for "TOCOLYTIC AGENTS"