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: Biochemistry
[{'content': 'A destitute woman is admitted to the hospital with altered sensorium and dehydration; urine analysis shows mild proteinuria and no sugar; what other test would be desirable \nSelect and explain. \nA. Fouchet, B. Rothera, C. Hays, D. Benedicts', 'role': 'user'}, {'content': "Answer: B \nExplanation: Rothera\n\nThe women are presenting with altered sensorium and dehydration, which may be the presenting features of ketoacidosis. She has already been tested for urine sugar (rules out diabetic ketoacidosis) and protein.\nThe important investigation missed out in this patient is ketone bodies in urine, which is important to reach the diagnosis of starvation ketosis. Ketone bodies are tested by Rothera's test.\nAbout other options", 'role': 'assistant'}]