<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 72-year-old woman is brought to the emergency department because of increasing abdominal pain for 6 hours. The pain is dull and diffuse over her abdomen and radiates to her lower back bilaterally. Three weeks ago, she was diagnosed with atrial fibrillation and started on warfarin. Her only other medication is 1 g of acetaminophen daily for osteoarthritis of her knees. Her pulse is 87min and blood pressure is 11275 mm Hg. Physical examination shows abdominal tenderness to palpation at both lower quadrants. A CT scan of the abdomen shows a retroperitoneal mass and hazy margins of the surrounding structures. In addition to discontinuation of warfarin, the most appropriate next step in management is administration of which of the following?? A: Fresh frozen plasma and tranexamic acid, B: Aminocaproic acid and packed red blood cells, C: Factor VIII and von Willebrand factor, D: Phytonadione and prothrombin complex concentrate, E: Protamine sulfate and hydroxyethyl starch,  <response>: This is a question about managing a patient with a retroperitoneal hemorrhage likely caused by warfarin overdose. The key points in the stem are: - 72 year old woman with increasing abdominal pain - Recently started on warfarin for atrial fibrillation- Physical exam shows abdominal tenderness and CT shows retroperitoneal mass- Need to address warfarin overdose and bleeding in addition to pain controlThe choices include various blood products and anticoagulation reversal agents. The correct choice will stop further bleeding by replenishing clotting factors depleted by warfarin prothrombin complex concentrate and reverse the warfarin overdose phytonadionevitamin K. Choices A, B, C, and E may help manage bleeding but do not reverse warfarin, which is essential in this case.D: Phytonadione and prothrombin complex concentrate 