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Pharm: GI Drugs: Def

Pharm: Kee Ch47: Drugs for GI Tract Disorders: Definitions

QuestionAnswer
Chemoreceptor trigger zone (CTZ) Lies near medulla
Vomiting center In medulla
Cannabinoids Active ingredients in marijuana; approved from clinical use in 1985 to alleviate n/v resulting from cancer treatment
Opiates Decrease intestinal motility, thereby decreasing peristalsis
Adsorbents Coat the wall of the GI tract & absorb bacteria/toxins that cause diarrhea
Cathartics Used to eliminate fecal matter
Purgatives "harsh" cathartics that cause watery stool & abdominal cramping
Osmotics Hyperosmolar laxatives
Selective chloride channel activators Treats idiopathic constipation; activates chloride channels in lining of small intestine, leading to increase in intestinal fluid secretion & motility
Emollients Lubricants & stool softeners used to prevent constipation; decrease straining during defecation
Created by: b_trenkler
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