This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Which of the following is the diagnostic test for pancreatic insufficiency? \nSelect and explain. \nA. Schilling test, B. Serum lipase, C. Serum amylase, D. Faecal fat estimation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The gold standard test is an estimation of fecal fat. Serum amylase and lipase are elevated during acute attacks. Schilling test is done for cobalamine malabsorption.Ref: Harrison; 19th edition; Page no: 1938', 'role': 'assistant'}]