This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'A pregnant female presents with pain in abdomen on examination, tenderness is found in right lumbar region. TLC is 12000/cmm. and urine examination is normal. For diagnosis fuher test done is \nSelect and explain. \nA. Chest Xray with abdominal shield, B. Ultrasound abdomen, C. Non contrast CT abdomen, D. Laproscopy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' ultrasound abdomen Ultrasound is a useful diagnostic method in a pregnant female presenting with right iliac fossa pain to exclude tubal or ovarian disease. CT and X-ray should not be done for fear of radiation to the fetus.", 'role': 'assistant'}]