A) mucus and bicarbonates
B) estradion and secretin
C) choiecystokinin and secretin
D) Both (a) and (c)
Correct Answer: D
Solution :
Brunner's gland are present in duodenum and secret a large amount of mucus and bicarbonates to protect duodenal mucosa and to neutralise the acidic medium of chyme. Hormone cholecystokinin (CCK) and secretin are also secreted by this characteristic gland of duodenum which stimulate secretion of pancreatic juice by pancreas, gall bladder to produce bile juice and formation of bile by liver and pancreatic juice.
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