A 50-year-old man who is an alcoholic suffers recurrent bouts of pancreatitis that reduce output of pancreatic enzymes after ingestion of a mixed meal
He also presents with diarrhea, and his stools contain high levels of triglycerides but no intact starch. Duodenal aspirates obtained after a meal likewise reveal that starch is being digested appropriately. Assuming the output of all pancreatic enzymes is impaired during pancreatitis, what structure(s) supply an alternate source of enzymatic activity capable of starch digestion?
A. Brunner's glands
B. brush border of enterocytes
C. gallbladder
D. parietal cells
E. chief cells
F. salivary glands
ANS: F
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