Digestion and Absorption of Macros- Karius Flashcards Preview

Gastrointestinal I > Digestion and Absorption of Macros- Karius > Flashcards

Flashcards in Digestion and Absorption of Macros- Karius Deck (13)
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what is the prominent method of Na absorption in duodenum?

transcellular with H2O

1

what is the primary Na transporter will be predominant in the proximal SI?

Na/H antiport

2

how does the small intestine absorb glucose, AAs, and some H2O soluble vitamins?

secondary active transport via Na/K ATPase

3

major method of Cl- absorption?

Na/Cl cotransporter in ileum thru lg. intestine

4

what does the HCO3/Cl antiporter do?

Cl in, HCO3 out

5

main way that K is absorbed?

paracellular pathway

6

what 3 things make vitamin D?

liver, skin, and kidneys

7

what happens to calcium once it comes into the cell via TRPV channel?

binds to calbindin

8

where does calcium move with Ca/ATPase?

to blood

9

what is absorbed how?

osmotic gradient

10

how are glucose and galactose absorbed?

co-transport with Na

11

how is fructose absorbed?

facilitated diff and conversion to glucose in the gut and liver

12

what is vitamin D equivalent to?

parathyroid hormone