This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Anatomy
[{'content': 'What will be next investigation to be done in case of a 2 year old female child with lst episode of UTI - \nSelect and explain. \nA. Abdominal ultrasound, B. DMSA scan, C. Monthly urine culture, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Abdominal ultrasound should be the investigation of choice for suspected UTI in any person of age . Ultrasound is a non invasive procedure and a very efficient procedure .', 'role': 'assistant'}]