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

A

chyme

18
Q

3rd section of the small intestine

A

ilium

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

A

esophagus

24
Q

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

A

stomach

25
Q

intrinsic factor for absorption of vitamin B-12

A

parietal cells

26
Q

what pepsinogen (inactive) turns into when it interacts with HCL

A

pepsin (active)

27
Q

digests proteins

A

pepsin

28
Q

secretes pepsinogen and gastric lipase

A

chief cells

29
Q

stimulates the release of more HCL from parietal cells intensifying digestion

A

gastrin

30
Q

secrets the hormone gastrin

A

G-Cell

31
Q

4 regions of the stomach

A

cardiac, fundus, body, pylorus

32
Q

3 regions of the small intestine

A

duodenum, jejunum, ileum

33
Q

secretes sodium bicarbonate to small intestine

A

pancreas

34
Q

Ph needed for the enzymes in the small intestine to work

A

7.8-8.1

35
Q

secretes cholecystokinin (CCK) and secretin

A

duodenum

36
Q

chymotrypsin, trypsin, carboxypeptidase

A

proteases

37
Q

releases bile, bile emulsifies fat

A

gallbladder

38
Q

signals liver and pancreas to release sodium bicarbonate

A

secretin

39
Q

completion of absorption (h20 and electrolytes), production of K and B vitamins, formation and elimination of feces are done in this organ

A

large intestine

40
Q

makes clotting factors and albumin, excretes bilirubin (breakdown of rbc), detoxifies alcohol and drugs, hematopoiesis, lipid and protein metabolism

A

liver