This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Medicine
[{'content': 'Which of the following pancreatic function test can be useful for estimation of bicarbonate as well as enzyme secretory activity of pancreas? \nSelect and explain. \nA. CCK PZ test, B. Bentiromide test, C. D-xylose test, D. CCK- secretin test', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d (CCK- secretin test). (Ref. Harrison, Internal Medicine, 16th ed., 1894)TESTS FOR EXOCRINE PANCREATIC FUNCTION# Direct stimulation of pancreas with IV secretin + CCK# Study of intra-luminal digestion products including bentiromide test# Serum elastase trypsinogen level.# Secretin - CCK test permits measurement of pancreatic lipase, amylase, trypsin & chymotrypsin, HCO3- output & fecal fat content & suggests chronic pancreatic damage.', 'role': 'assistant'}]