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Penn Foster Pharmacology GI drugs Q&A Latest Update

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Penn Foster Pharmacology GI drugs Q&A Latest Update

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Penn Foster Pharmacology GI drugs Q&A Latest Update

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Uploaded on: May 8, 2025
Last updated: May 8, 2025
Number of pages: 5
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & Answers
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Penn Foster Pharmacology: GI drugs | Q&A Latest 2025/2026 | 100% PASS Emetics - Answer -Drugs which induce vomiting Within 2-4 hours - Answer -When should emetics be administered in order to be effective? Apomorphine - Answer -This morphine derivative stimulates dopamine receptors in the CRTZ which, in turn, activate the vomiting center in the medula. Xylazine - Answer -This medication is used to induce vomiting in cats within 3-5 minutes. Hydrogen peroxide - Answer -What household chemical can be used in 3% solution to induce vomiting by directly irritating the oropharynx and stomach lining. Chlorpromazine and Prochlorperazine - Answer -What 2 phenothiazine derivative centrally acting anti-emetics act by blocking dopamine receptors in the CRTZ and may directly affect the vomiting center. Metoclopramide - Answer -What procainamide derivative has both central and peripheral antiemetic activities. It blocks dopamine receptors in the CRTZ and acts peripherally to increase gastric contraction, speed gastric emptying, and strengthening cardiac sphincter tone.