Focus on Nursing Pharmacology, 6th Edition by Amy M. Karch
Focus on Nursing Pharmacology, 6th Edition by Amy M. Karch
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Chapter 56- Introduction to the Gastrointestinal System
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
| 1. | What is a unique characteristic of the gastrointestinal (GI) system? | |
| A) | It contains multiple organs that work together. | |
| B) | It is lined with epithelial tissue. | |
| C) | It is the only system open to the external environment. | |
| D) | The GI tract is sterile and contains no bacteria. | |
| Ans: | C | |
| Feedback: | ||
| The GI system is the only system that is open to the external environment. The definition of a system is multiple organs working together to perform a function or functions. Many systems are lined with epithelial tissue. The GI tract is not sterile and does contain bacteria. | ||
| 2. | What is the purpose of the peritoneum? | |
| A) | Help propel the GI contents down the tract | |
| B) | Help keep the GI tract in place and prevent friction with movement | |
| C) | Decrease the muscle tone to slow the GI tract from moving too fast | |
| D) | Serve as a supportive layer and helps the tube maintain its shape | |
| Ans: | B | |
| Feedback: | ||
| The peritoneum lines the abdominal wall and viscera and helps keep the GI tract in place and prevents a buildup of friction with movement. The muscularis mucosa layer helps propel the GI contents downward. The nerve plexus helps to slow the GI tract when digestion is not a priority or stimulates it for digestion. The adventitia serves as a supportive layer and helps the tube maintain its shape. | ||
| 3. | A patient complains of frequent acid indigestion. The nurse instructs the patient to increase intake of what to reduce stimulation of acid production? | |
| A) | Protein | |
| B) | Calcium | |
| C) | Fiber | |
| D) | Alcohol | |
| Ans: | C | |
| Feedback: | ||
| Fiber does not promote acid production so it would be a safe food for patients to eat to avoid stimulating more acid in the stomach. Acid production in the stomach is stimulated by gastrin which increases in the presence of protein, calcium, caffeine, or alcohol in the stomach. | ||
| 4. | When the nurse administers a medication that stimulates the parasympathetic nervous system the drug will have what impact on the GI system? | |
| A) | Decrease sphincter tone | |
| B) | Decrease muscle tone | |
| C) | Decrease contractions | |
| D) | Decrease secretions | |
| Ans: | A | |
| Feedback: | ||
| The effect of the parasympathetic nervous system is that of “rest and digest.” It stimulates the GI tract causing increased muscle tone, secretions and contractions, and decreased sphincter tone allowing for easy movement. | ||
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