PC707 MOD 3 QUESTIONS AND ANSWERS 100% ACCURATE.

Droperidol is known to... - ANSWER-prolong the QT interval. D cimetidine is known to... - ANSWER-prolong the Qt interval. C What GI drug classes are used to treat gastric acid excretion erosion and upset.? - ANSWER-Antacids, H2RA, PPI, prostaglandin analogs, mucosal protectants what is the normal pH of the stomach? - ANSWER-1.5-3 When HCl is blocked in the stomach, how does the pH change? - ANSWER-it increases to greater than 4.0. What is the pH of the duodenum? - ANSWER-6 How should antacids be taken with other medication? - ANSWER-wait 2 hours before and after other medications Should you take prenatals and mineral supplements while taking antacids? - ANSWER-no, they bind up metals and decrease absorption. chelating effects. what pH can enteric coated antacids withstand? - ANSWER-pH of 2 What are side effects of calcium based antacids? - ANSWER-constipation what are side effects of sodium bicarbonates? - ANSWER-fluid overload and water retention, and possible htn. what are contraindications for milk of mag? - ANSWER-renal insufficiency, and chronic diarrhea. What are contraindications of aluminum based antacids like Amphogel? - ANSWER-Decreases Warfarin absorption. Contraindicated for constipation, and renal failure. Is Bismuth Subsalicylate (pepto-bismol) safe for pregnancy and bf? - ANSWER-not safe for pregnancy and bf or for children under 12. what is a side effect of bismuth subsalicylate? - ANSWER-black stool What is a dopamine antagonist? - ANSWER-Metoclopramide, Reglan What is the bbw of a common Dopamine antagonist? - ANSWER-Tardive dyskinesia, non reversible how does Metoclopramide work? - ANSWER-promotes gastric emptying (prokinetic) and tones the lower esophageal sphincter. What is the MOA for H2RAs? - ANSWER-binds histamine receptors and stops acid production. What is a contraindication for Cimetidine (Tagament)? - ANSWER-it is a cyp inhibitor and has many drug to drug interactions. Is Ranitidine (Zantac) safe for consumption? - ANSWER-it was removed from the market for possible carcinogenic ingredients. what is the MOA for PPIs? - ANSWER-it slows the and/or stops the secretion of acid pumps. what are