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PSL301 > GI: digestion and absorption > Flashcards

GI: digestion and absorption Flashcards

1
Q

what do we input vs absorb

A
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2
Q

how are carbs digested in the mouth

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3
Q

how are carbs digested in the stomach

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4
Q

how are carbs digested in the small intestine

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5
Q

explain how you go from polymers to monosachharides

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6
Q

where are brush border enzymes? what do they do?

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7
Q

how do monosachs get absorbed

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8
Q

which monosach uses glut 5? glut 2? SGLT?

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9
Q

how is pepsinogen used to break down proteins

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10
Q

what releases pepsinogen

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11
Q

what is the role of pepsin? where does it cleave?

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12
Q

what do endopeptidase enzymes do

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13
Q

what do exopep enzymes do

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14
Q

two types of exopeps

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15
Q

explain how you go from zymogens to activated enzymes

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16
Q

what are trypsin and trypsinogen

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17
Q

role of carboxypeptidase

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18
Q

what is autodigestion and how do we avoid it

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19
Q

how are dipeptides digested

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20
Q

how are amino acids digested

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21
Q

how are small peptides digested

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22
Q

where does fat digestion start

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23
Q

what enzymes break down fat in the mouth

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24
Q

what happens to fat in the stomach

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25
Q

is fat mostly digested in mouth and stomach

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26
Q

what does it mean for bile salts to emulsify fat droplets

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27
Q

where does bile salt emuls. of fat happen

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28
Q

where do bile salts and lecithin come from

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29
Q

why is bile salt emulsification necessary

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30
Q

how do bile salts help form micelles?

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31
Q

how does fat get absorbed into the small intestine

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32
Q

what is reesterification

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33
Q

how does cholesterol get into the small int

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34
Q

what are chylomicrons

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35
Q

what happens to chylomicrons in the blood vessels

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36
Q

where do chilomicron remnants go

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37
Q

how are fat soluble vitamins absorbed

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38
Q

how are water soluble vitamins absorbed

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39
Q

how is vitamin b12 absorbed

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40
Q

how does water move into intestine (2 ways)

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41
Q

how is calcium absorbed

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42
Q

what is calbindin

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43
Q

how is iron absorbed

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44
Q

what is ferroportin

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45
Q

how is nacl absorbed into the small intestine and colon

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46
Q

what role does the oral cavity and esoph play in MSDA

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47
Q

what role does the stomach play in MSDA

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48
Q

what role does the small int play in MSDA

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49
Q

what role does the large int play in MSDA

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PSL301 (32 decks)

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