GI

Question 1

common clinical manifestations of GI disorders

Answer 1

nausea/vomiting
-diarrhea

Question 2

types of diarrhea

Answer 2

osmotic, secretory, motility

Question 3

osmotic diarrhea

Answer 3

nonabsorbable substance in intestines draws water into lumen by osmosis
-large volume diarrhea
-caused by lactose intolerance, saline enemas, laxatives, diet foods

Question 4

secretory diarrhea

Answer 4

larg volume diarrhea by excessive mucosal secretion of chloride or bicarbonate-rich fluid
-or inhibition of net sodium absorption
-caused by bacterial growth, too much bile, slats, hormones

Question 5

motility diarrhea

Answer 5

excessive motility decreases transit time, mucosal surface contact and opportunities for fluid absorption
-causes: antibiotics, stimulant laxatives

Question 6

mechanical obstruction of esophagus

Answer 6

masses (tumors), esophageal strictures, achalasia