Digestive System Flashcards

1
Q

begins in the mouth with chemical and mechanical digestion, structures starts with oral cavity and ends at the anus, shares respiratory structures

A

digestive system

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2
Q

3 salivary glands

A

parotid, submandibular, sublingual

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3
Q

mainly made out of water

A

saliva

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4
Q

2 functions of the tongue

A

speech + swallowing and moving food for chewing (mastication)

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5
Q

3 basic enzymes

A

amylase, protease, lipase

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6
Q

the salivary enzymes

A

amylase and lipase

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7
Q

digests starch and carbohydrates

A

amylase

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8
Q

digests lipids/fats

A

lipase

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9
Q

4 walls of the stomach in correct sequence (innermost to outermost)

A

mucosa, submucosa, muscularis, serosa

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10
Q

releases HCL

A

parietal cells

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11
Q

what would happen if there was a lack of chief cells

A

less gastrin and pepsinogen

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12
Q

why the stomach doesn’t auto digest

A

mucus alkaline membrane that protects the stomach and pepsinogen is inactive

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13
Q

passes pancreatic juice to duodenum, known as the all secreter

A

pancreas

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14
Q

releases all active digestive enzymes (amylase, protease, lipase, trypsin, chymotrypsin, and carboxypeptidase) and stimulates pancreas to release pancreatic juices

A

CCK

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15
Q

hormone(s) released by the pancreas

A

protease, insulin, lipase, amylase

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16
Q

hormone(s) not released by the pancreas

A

gastrin

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17
Q

made in pylorus

18
Q

3rd section of the small intestine

19
Q

begins in the mouth

A

fat and CHO digestion

20
Q

begins in the stomach

A

protein digestion

21
Q

occurs by the secretion of saliva by the salivary glands

A

chemical digestion

22
Q

involves chewing (mastication)

A

mechanical digestion

23
Q

connects laryngopharynx to the stomach

24
Q

site for fat and CHO digestion and 1st time for protein digestion

25
intrinsic factor for absorption of vitamin B-12
parietal cells
26
what pepsinogen (inactive) turns into when it interacts with HCL
pepsin (active)
27
digests proteins
pepsin
28
secretes pepsinogen and gastric lipase
chief cells
29
stimulates the release of more HCL from parietal cells intensifying digestion
gastrin
30
secrets the hormone gastrin
G-Cell
31
4 regions of the stomach
cardiac, fundus, body, pylorus
32
3 regions of the small intestine
duodenum, jejunum, ileum
33
secretes sodium bicarbonate to small intestine
pancreas
34
Ph needed for the enzymes in the small intestine to work
7.8-8.1
35
secretes cholecystokinin (CCK) and secretin
duodenum
36
chymotrypsin, trypsin, carboxypeptidase
proteases
37
releases bile, bile emulsifies fat
gallbladder
38
signals liver and pancreas to release sodium bicarbonate
secretin
39
completion of absorption (h20 and electrolytes), production of K and B vitamins, formation and elimination of feces are done in this organ
large intestine
40
makes clotting factors and albumin, excretes bilirubin (breakdown of rbc), detoxifies alcohol and drugs, hematopoiesis, lipid and protein metabolism
liver