LAST LECTURE - Absorption by LI / Secretion & Motility

Question 1

this does sodium absorption by the colon

Answer 1

enac

Question 2

diuretic that blocks enac channels in the kidney as well as in colon

Answer 2

amiloride

Question 3

amount of bacteria in the gi tract order

Answer 3

low in stomach, duodenum, jejunum… increases in ileum… very high in large intestine

Question 4

the large intestine has these kind of bacteria mostly

Answer 4

anaerobes

Question 5

short chain fatty acids are a significant source of blank

Answer 5

nutrients

Question 6

butyrate is a major energy substrate for blank and is involved in inflammation

Answer 6

colonocytes

Question 7

water secretion into lumen can produce blank in the duodenum and jejunum

Answer 7

osmotic diarrhea

Question 8

water secretion often accompanies blank secretion into the lumen

Answer 8

chloride

Question 9

cholera and diarrhea lead to massive blank

Answer 9

dehydration

Question 10

nutrient coupled blank absorption like with rice water causes small intestine to secrete less water

Answer 10

sodium

Question 11

todays version of rice water

Answer 11

gatorade

Question 12

three causes of diarrhea

Answer 12

osmotic, secretory, fast motility

Question 13

lactase deficiency is blank diarrhea

Answer 13

osmotic

Question 14

cholera is blank diarrhea

Answer 14

secretory

Question 15

inflammatory response is blank diarrhea

Answer 15

fast motility

Question 16

takes about this long to poop out a meal

Answer 16

24 hours

Question 17

small intestine segmentation movement is for blank

Answer 17

mixing

Question 18

small intestine short peristaltic contractions are for blank

Answer 18

moving stuff through the intestine

Question 19

the segmentation of small intestine is due to the blank

Answer 19

haustra

Question 20

control of mass movement through the intestine is due to blank nerves due to local distension

Answer 20

enteric nerves and extrinsic cns nerves