This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Diarrhoea with acantholysis in urine \nSelect and explain. \nA. Whipples disease, B. Celiac sprue, C. Abetalipoproteinemia, D. Ulcerative colitis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Harrison's principles of internal medicine 17th edition. *Steatorrheal cause of chronic diarrhea is a mucosal malabsorption caused by celiac disease,whipple's disease and abetalipoproteinemia. Abetalipoproteinemia is a rare defect is a defect of chylomicron formation and fat malabsorption in children associated with acantholytic erythrocytes,,ataxia and retinitis pigmentosa.", 'role': 'assistant'}]