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A&P 2 - Digestive System > Pancreas > Flashcards

Pancreas Flashcards

1
Q

endocrine part of pancreas

A

pancreatic islets

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2
Q

exocrine part of pancreas

A

groups of acini

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3
Q

three kinds of cells that make up endocrine portion of pancreas (pancreatic islets)

A

alpha
beta
delta

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4
Q

alpha cells produce

A

glucagon

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5
Q

beta cells produce

A

insulin

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6
Q

delta cells produce

A

somatostatin

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7
Q

ducts from the exocrine portion of the pancreas merge to converge into where

A

pancreatic duct

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8
Q

exocrine pancreatic excretions contain what

A

bicarbonate and digestive proenzymes

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9
Q

what causes exocrine secretions and happens in what phase of digestion

A

anticipation of food
cephalic phase

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10
Q

what increases pancreatic secretions and happens in what phase of digestion

A

neural and endocrine stimuli
cephalic, gastric and luminal phases

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11
Q

four enzymes vital to digestion, that come from the exocrine pancreas

A

lipase
amylase
protease
nuclease

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12
Q

lipase breaks down ____ into _____ acids

A

fat
fatty

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13
Q

amylase breaks down _____ into _____

A

starch
maltose

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14
Q

protease breaks down _____ into _____

A

protein
amino acids

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15
Q

nuclease breaks down _____ into ______

A

DNA
nucleotides

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16
Q

all of the protease enzymes are secreted in an inactive form called

A

proenzyme (or zymogen)

17
Q

where are proenzymes released from

A

SI mucosa

18
Q

where are proenzymes activated

A

lumen of the intestine

19
Q

five proezymes

A

trypsinogen
chymotrypsinogen
proelastase
procarboxypeptidase A and B

20
Q

what hormone starts the activation process of proenzyme

A

CCK

21
Q

CCK stimulates _______ release from mucosa

A

enteropeptidase

22
Q

enteropeptidase > converts ______ into ________

A

Trypsinogen into Trypsin

23
Q

Trypsin activates/converts what

A

all other protease enzymes

A&P 2 - Digestive System (20 decks)

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