GI: digestion and absorption

Question 1

what do we input vs absorb

Question 2

how are carbs digested in the mouth

Question 3

how are carbs digested in the stomach

Question 4

how are carbs digested in the small intestine

Question 5

explain how you go from polymers to monosachharides

Question 6

where are brush border enzymes? what do they do?

Question 7

how do monosachs get absorbed

Question 8

which monosach uses glut 5? glut 2? SGLT?

Question 9

how is pepsinogen used to break down proteins

Question 10

what releases pepsinogen

Question 11

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

Question 12

what do endopeptidase enzymes do

Question 13

what do exopep enzymes do

Question 14

two types of exopeps

Question 15

explain how you go from zymogens to activated enzymes

Question 16

what are trypsin and trypsinogen

Question 17

role of carboxypeptidase

Question 18

what is autodigestion and how do we avoid it

Question 19

how are dipeptides digested

Question 20

how are amino acids digested

Question 21

how are small peptides digested

Question 22

where does fat digestion start

Question 23

what enzymes break down fat in the mouth

Question 24

what happens to fat in the stomach

Question 25

is fat mostly digested in mouth and stomach

Question 26

what does it mean for bile salts to emulsify fat droplets

Question 27

where does bile salt emuls. of fat happen

Question 28

where do bile salts and lecithin come from

Question 29

why is bile salt emulsification necessary

Question 30

how do bile salts help form micelles?

Question 31

how does fat get absorbed into the small intestine

Question 32

what is reesterification

Question 33

how does cholesterol get into the small int

Question 34

what are chylomicrons

Question 35

what happens to chylomicrons in the blood vessels

Question 36

where do chilomicron remnants go

Question 37

how are fat soluble vitamins absorbed

Question 38

how are water soluble vitamins absorbed

Question 39

how is vitamin b12 absorbed

Question 40

how does water move into intestine (2 ways)

Question 41

how is calcium absorbed

Question 42

what is calbindin

Question 43

how is iron absorbed

Question 44

what is ferroportin

Question 45

how is nacl absorbed into the small intestine and colon

Question 46

what role does the oral cavity and esoph play in MSDA

Question 47

what role does the stomach play in MSDA

Question 48

what role does the small int play in MSDA

Question 49

what role does the large int play in MSDA