Pathophys Diarrhea Flashcards
1
Q
definition of diarrhea
A
increase of frequency, volume, or urgency of defecation +/- change in consistency
2
Q
normal stool frequency
A
3 bmp/wk-3bm/d
3
Q
physiologic definition of diarrhea
A
> 200 gm stool/day (irrespective of consistency)
4
Q
Normal amount ingested & secreted/day
A
2L, 6.5L, total of 8.5L/day
5
Q
what’s the basis for normal fluid absorption in gut?
A
Na+
6
Q
transport of Na+ in small intestinal villi?
In large intestinal crypts?
A
Na/glc co-transporter, Na/H exchanger
ENaC
