<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 43-year-old man is brought to the emergency department 30 minutes after falling from the roof of a construction site. He reports abdominal and right-sided flank pain. His temperature is 37.1C 98.8F, pulse is 114min, and blood pressure is 10068 mm Hg. Physical examination shows numerous ecchymoses over the trunk and flanks and a tender right abdomen without a palpable mass. Focused assessment with sonography for trauma FAST shows no intraperitoneal fluid collections. His hemoglobin concentration is 7.6 gdL. The most likely cause of his presentation is injury to which of the following organs?? A: Liver, B: Spleen, C: Kidney, D: Stomach, E: Small bowel,  <response>: This is a question about abdominal trauma caused by a fall from height. The key findings in the stem are right-sided flank pain, tender right abdomen, ecchymoses over trunk and flanks, and low hemoglobin concentration. Based on these findings, the most likely injured organ is the kidney on the right side. The kidney is located in the retroperitoneum on the posterior abdominal wall, so a direct blow to the flankabdomen can cause kidney injury. Kidney injury can lead to internal bleeding and decreased hemoglobin levels. The other organs are less likely because there is no mention of specific tenderness or injuries associated with them.C: Kidney 