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Pharmacology for Nurses

Introduction

Pharmacology for NursesIntroduction
The digestive system, with the stomach, liver, pancreas, large and small intestines, and rectum illustrated.
Figure 30.1 The digestive system breaks down food into nutrients that can be absorbed into the bloodstream to give the body energy and the ability to grow and repair itself. (attribution: Copyright Rice University, OpenStax, under CC BY 4.0 license)

Chapter Outline

30.1 Antiemetics
30.2 Antidiarrheals
30.3 Laxatives and Stool Softeners

The normal function of the gastrointestinal (GI) system is regulated and controlled by the central nervous system. The parasympathetic and sympathetic nervous systems play a role in gastrointestinal muscle movements, tone, motility, and mucosal secretions, especially in the stomach and esophagus. The nature of the gastrointestinal and neuronal relationships makes the GI system susceptible to conditions causing symptoms such as nausea, vomiting, diarrhea, and constipation. In this chapter, drugs used to treat and manage these symptoms will be discussed.

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