GI Flashcards

(20 cards)

1
Q

What inhibits gastrin?

A

Somatostatin and low stomach pH

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2
Q

What causes secretion of bicarbonate ions from the pancreas ?

A

CCK

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3
Q

What percent of cells in the GI tract secrete hormones ?

A

1%

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4
Q

What cells secrete CCk?

A

I cells

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5
Q

What inhibits gastric emptying ?

A

CCK

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6
Q

What causes secretion of pancreatic enzymes ?

A

Cck

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7
Q

What is a gastrin secretion tumor “gastronoma”

A

Zollinger ellison syndrome

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8
Q

Gastrin is secreted in response to what/

A

Eating a meal

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9
Q

What causes contraction of the gallbladder?

A

CCK

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10
Q

What coordinates and promotes fat digestion and absorption ?

A

CCK

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11
Q

What also stimulates contraction of the Gallbladder like CCK?

A

Motilin

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12
Q

What’s major effect is stimulation of insulin

A

GIP

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13
Q

What inhibits the effect of gastrin on parietal cells?

A

Secretin

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14
Q

What is secreted by K cells?

A

GIP

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15
Q

What is secreted in response to glucose, aa. And fatty acids?

A

GIP

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16
Q

What activates pepsinogen?

17
Q

What hormone promotes hydrogen secretion by partial cells which lowers stomach pH?

18
Q

What increases gastric acid secretion, motility and emptying?

19
Q

Does GIP inhibit gastric secretion in humans”?

20
Q

What inhibits pancreatic secretion of bicarbonate?

A

Pancreatic polypeptide