Q:

Pancreatic secretion

safaTerkawi
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2022-08-09
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 Pancreatic secretion.

  1. In response to vagal stimulation is copious, rich in bicarbonate but poor in enzymes.
  2. In response to acid in the duodenum is scanty but rich in enzymes.
  3. In response to secretin secretion is low in bicarbonate.
  4. Contains enzymes that digest neutral fat to glycerol and fatty acids.
  5. Contains enzymes that convert disaccharides to monosaccharides.
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safaTerkawi
2022-08-09
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A. False  It is scanty and rich in enzymes; it is secreted reflexly in the ‘cephalic’ phase of pancreatic secretion when food is thought about or chewed.

B. False  It is copious, bicarbonate rich and poor in enzymes; it buffers the acid secretions entering the duodenum from the stomach.

C. False This is the hormone released when acid enters the duodenum that stimulates the pancreas to produce the juice described in (B) above.

D. True  Pancreatic lipase. E. False Pancreatic amylase breaks down carbohydrates to dextrins and polysaccharides.

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