ANAPHYSIO Flashcards

(60 cards)

1
Q

where in the GIT does complete digestion takes place?

A

upper GIT

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2
Q

upper GIT composes of

A

mouth to small intestines

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3
Q

a part of GIT where there is no digestion anymore

A

lower GIT

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4
Q

what do you call a stool that indicates bleeding in the upper GIT?

A

melena

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5
Q

what do you call a stool that indicates bleeding in the lower GIT?

A

hematochezia

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6
Q

two movement that is known as the peristalsis of the digestive system

A

mixing movement and propulsive movement

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7
Q

what layer of smooth muscle does the mixing movement in the alimentary canal?

A

circular layer

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8
Q

what layer of smooth muscle does the propulsive movement in the abdomen?

A

longitudinal layer

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9
Q

in which layer of the alimentary canal does absorption of nutrients from the food occur?

A

tunica muscularis

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10
Q

two parts of digestive system

A

gastrointestinal tract and accessory organs of digestion

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11
Q

what does the liver secretes?

A

bile

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12
Q

what does the pancreas secretes?

A

enzymes

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13
Q

most destructive enzyme in the pancreas

A

lipase

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14
Q

what do you call the largest salivary gland?

A

parotid gland

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15
Q

accessory organs of digestion is known as what type of gland?

A

exocrine glands

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16
Q

a process in GIT where breakdown of food into smaller pieces happens

A

mechanical process

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17
Q

a process in GIT where metabolic breakdown of food happens

A

chemical process

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18
Q

2 processes in GIT

A

mechanical and chemical process

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19
Q

what mechanical process occurs in the mouth?

A

chewing or mastication

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20
Q

what chemical process occurs in the mouth?

A

secretions of salivary glands

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21
Q

where does carbohydrates digestion starts?

A

mouth

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22
Q

what enzyme does the saliva has that is responsible for the digestion of carbohydrates?

A

ptyalin amylase

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23
Q

type of saliva that serves for lubrication

A

mucus

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24
Q

type of saliva that is watery

A

serous

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25
what is the mechanical process occurring in the esophagus?
deglutition or swallowing
26
how many phases that the mechanical process in esophagus have?
3
27
an action that starts the mechanical process in the esophagus
swallowing
28
this 2 phases happens due to the continuous peristalsis in the esophagus
pharyngeal and esophageal phase
29
chemical process in the esophagus
continuous production of mucus
30
what cells line the esophagus?
mucus cells
31
why does the LES closes?
to prevent regurgitation of food
32
gastric emptying time
2 to 4 hrs
33
mechanical process in the stomach
strong peristaltic movement
34
where does the stomach empties its content
duodenum
35
what is the hormone that stimulates gastric secretion to aid in digestion?
gastrin
36
what is being released when there is a bolus of food in the stomach?
gastrin
37
a gastric secretion that is responsible for absorption of vit. b12
intrinsic factor
38
what bacteria can live in an acidic environement?
helicobacter pylori
39
where does protein digestion starts?
stomach
40
what activates the protein enzymes?
HCl acid
41
what is the inactive form of pepsin?
pepsinogen
42
what is the inactive form of trypsin?
tyrpsinogen
43
protective barriers in the stomach against corrosive effect of HCl acid
mucus and prostaglandin
44
what is trypsin and pepsin called?
proteases
45
where does fat digestion starts?
small intestine
46
which part of the small intestine is the longest?
ileum
47
where does carbohydrates start to be digested and where does it end?
mouth to small intestine
48
where does proteins start to be digested and where does it end?
stomach to small intestine
49
where does fats start to be digested and where does it end?
small intestine to small intestine
50
why does complete digestion takes place in the small intestine?
all secretions and enzymes are present in the small intestine
51
a bile components that emulsify fats
bile salts
52
function of bile
make fats more water absorbable to be absorbed in blood
53
enzyme responsible for carb digestion
amylase
54
enzyme responsible for protein digestion
proteases
55
enzyme responsible for fat digestion
lipases
56
role of vitamin K in the gut
activates CF X, IX, VII, II
57
consistency of stool formed in descending colon
liquid
58
consistency of stool formed in transverse colon
semi-solid
59
consistency of stool formed in ascending colon
solid
60
an organ that contains lymphocytes to protect the small intestine
appendix