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ANSWER IS: Gastric secretion can be stimulated before food has entered the mouth.


A.Gastric secretion can be stimulated before food has entered the mouth.B.Gastric secretion is enhanced by very low pH (below a pH of 2)
C.The presence of food in the stomach prevents hormonal control of gastric secretion.
D.Vagus stimulation of the stomach results in decreased secretion of gastric juice.

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