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Physio > Hormonal Control Of GIT > Flashcards

Hormonal Control Of GIT Flashcards

1
Q

Stimuli for Gastrin secretion

A

Protein
Distension
Nervous (Acid inhibits release of gastrin)

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2
Q

Site of Gastrin secretion

A

G cells of antrum, duodenum, and jejunum

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3
Q

What is stimulated by gastrin?

A

Gastric acid secretion
Mucosal growth

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4
Q

Stimuli for cholecystokinin

A

Protein
Fat
Acid

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5
Q

Site of secretion for cholecystokinin

A

I cells of duodenum, jejunum, ileum

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6
Q

What is stimulated by cholecystokinin?

A

Cholecystokinin stimulates:

Pancreatic enzyme secretion
Pancreatic bicarbonate secretion
Gall bladder contraction
Growth of exocrine pancreas

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7
Q

What is inhibited by cholecystokinin?

A

Cholecystokinin inhibits gastric emptying

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8
Q

Stimuli for secreting secretin

A

Acid
Fat

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9
Q

Site of secretin secretion

A

S cells of duodenum, jejunum, ileum

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10
Q

What is stimulated by the secretin?

A

Pepsin secretion
Pancreatic bicarbonate secretion
Biliary bicarbonate secretion
Growth of exocrine pancreas

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11
Q

What is inhibited by the secretin?

A

Gastrin release
gastric acid secretion

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12
Q

Stimuli for glucose-dependent insulinotropic peptide/gastric inhibitory peptide

A

Protein
Fat
Carbohydrate

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13
Q

Glucose-dependent insulinotropic peptide / gastric inhibitory peptide site of secretion

A

K cells of the duodenum and jejunum

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14
Q

What is stimulated by the Glucose-dependent insulinotropic peptide / gastric inhibitory peptide?

A

Insulin release

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15
Q

What is inhibited by the Glucose-dependent insulinotropic peptide / gastric inhibitory peptide?

A

Gastric acid secretion

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16
Q

Stimuli for motilin

A

Fat
Acid
Nervous

17
Q

Site of secretion for motilin

A

M cells of the duodenum and jejunum

18
Q

What is stimulated by the motilin?

A

Gastric motility
Intestinal motility

Physio (15 decks)

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