Digestive system Flashcards

on exam one

1
Q

food moves through

A

alimentary canal

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2
Q

transit time

A

the time it takes for food to go from top to bottom

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3
Q

typical transit time

A

24-72 hours

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4
Q

peristalsis

A

wave-like motion that propels food through digestion that begins as food as food hits the gut

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5
Q

peristalsis mixes what

A

food substances and digestive juices

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6
Q

secrete fluid to moisten and bind food particles with mucous

A

salicary glands

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7
Q

enzyme that breaks down carbs

A

amylase

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8
Q

four major taste receptors of the tongue

A

sweet, sour, bitter, salty

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9
Q

the craving receptor

A

unami

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10
Q

learned taste that you can unlearn

A

fat

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11
Q

the major salivary glands

A

parotid, submandibular, sublingual

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12
Q

which salivary gland is the biggest?

A

parotid

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13
Q

which salivary gland is the smallest?

A

sublingual

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14
Q

pharynx moves what?

A

food

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15
Q

pharynx is the cavity behind the mouth from which the esophagus leads to the

A

stomach

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16
Q

hiatal hernia

A

stomach protruding up into the diaphragm

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17
Q

gastric gases enter the weak spot and cause

A

heartburn

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18
Q

other cause of heartburn

A

reflux of gastric acid

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19
Q

part of the stomach that prevents food from coming back up?

A

pyloric sphincter

20
Q

amount of gastric acid secreted a day

A

2-3 liters

21
Q

causes production and release of acid for dissolving and digesting

22
Q

most common cause of ulcers

A

helicobacter pylori

23
Q

gastric juice that splits protein

24
Q

absorption of B12 vitamin from small intestine

A

intrinsic factor

25
open sore on the surface of an organ
ulcer
26
hormone made in mucosa of the stomach that increases appetite
grelin
27
made in fat cells and tells your body there's enough energy and stop eating
leptin
28
people who have more grelin
sleep less or opposite their circadian rhythm
29
empty out of the stomach the fastest
carbs
30
stay in the stomach the longest
fat
31
lies over the stomach to protect internal organs
omentum
32
halliotosis
bad breath
33
probiotics
red wine, yogurt, pichstachios
34
3 major parts of the small intestine
duodenum, ileum, jejunum
35
small hairs that transfer food from intestine to blood
villi
36
stores and secretes bile
gall bladder
37
bile is an emulsifier for what?
fat
38
too much bile causes
gallstones
39
peptidases split proteins into
polypeptides
40
splits sucrose
sucrase
41
made in the small intestine when food enters and tells you you're full
cck
42
contained in pancreatic juice and neutralizes the acid in chyme
bicarbonate
43
pancreatic amylase
breaks down carbs
44
most important function of the small intestine
nutrient absorption
45
caused by a peristalsis rush from overeating or irritation
diarrhea
46
parts of the large intestine
cecum, appendix, colon
47
verrucous veins in the rectum
hemorrhoids