Flashcards in Digestion and Absorption- Karius (In Class) Deck (17)
Under normal conditions the colon has to reabsorb about how much?
where does the fluid in the lumen become hypotonic?
in the small intestine
how many carbs does the average american consumer per day?
how much protein is added to lumen by secretions?
lipids account for about how many grams ingested?
thru cells; thru pores (more in duodenum than distally); distally-transporters
secondary active transport helps to transport what?
glucose, amino acids, some H2O-soluble vitamins
where does secondary active transport take place?
small intestine, NOT LARGE
what co-transporter is present in the ileum thru the large intestine?
sodium and cholride
major way of absorbing Cl in the early small intestine?
majority of K is absorbed via what pathway?
paracellular pathway in small intestine
what happens with potassium in the large intestine?
it is mainly passively secreted (K high inside cell)
what determines the amount of TRPV on membrane of enterocyte? what does it transport?
vitamin D; calcium
what keeps calcium out of trouble?
how is fructose absorbed?