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these nondigestable agents swell h2o to form a viscous solution that softens and increases the bulk of the stool; stimulates peristalsis bulk forming laxatives
decrease surface tension of fecal mass, allows water to penetrate the fecal mass-making stools easier to expel Surfactant laxatives
increase osmotic pressure in intestinal lumen and cause retention of water-bowels then distend and stimulate peristalsis Saline Laxatives
irritate the GI mucosa and pull h2o in the bowel lumen-resulting in a watery stool Stimulant Cathartics
hypertonic solution that pulls h2o into the intestinal lumen producing semiformed stools chronulac (Lactulose)
What are two examples of bulk forming laxatives? methylcellulose (Citrucel); psyllium (Metamucil)
What are 2 examples of surfactant laxatives? docusate sodium (Colace); docusate calcium (Surfak)
What are some examples of Saline Laxatives? Colyte; Fleets Enema
What are some examples of Stimulant Laxatives? bisacodyl (Dulcolax); senna (Senokot)
Which kind of laxative is a good choice for long term use, and mus be taken with an 8oz glass of water? bulk forming laxatives
What are some adverse effects of Saline Laxatives? dehydration, excess fluid loss, electrolyte loss
Saline Laxatives are indicated and contraindicated for? : indicated: rapid evacuation of bowel contents, constipation, prep for endoscopic procedure, fecal impaction. contraindicated: renal impairment
Which kind of laxative is the strongest type, most abused, should be given at night, and should not be used greater then one week? stimulant cathartics
What are some indications of chronulac (Lactulose)? constipation and hepatic encephalophathy(chronic liver disease)
Created by: elise0367



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