ATI RN
ATI Gastrointestinal System
1. A client has been taking aluminum hydroxide 30 mL six times per day at home to treat his peptic ulcer. He tells the nurse that he has been unable to have a bowel movement for 3 days. Based on this information, the nurse would determine that which of the following is the most likely cause of the client’s constipation?
- A. The client has not been including enough fiber in his diet
- B. The client needs to increase his daily exercise
- C. The client is experiencing a side effect of the aluminum hydroxide.
- D. The client has developed a gastrointestinal obstruction.
Correct answer: C
Rationale: The client is experiencing a common side effect of aluminum hydroxide, which is constipation.
2. You have a patient with achalasia (incomplete muscle relaxation of the GI tract, especially sphincter muscles). Which medications do you anticipate to administer?
- A. Isosorbide dinitrate (Isordil)
- B. Digoxin (Lanoxin)
- C. Captopril (Capoten)
- D. Propanolol (Inderal)
Correct answer: A
Rationale: Isosorbide dinitrate (Isordil) is a medication used to relax the muscles of the GI tract in patients with achalasia.
3. Jerod is experiencing an acute episode of ulcerative colitis. What is the priority for this patient?
- A. Replace lost fluid and sodium.
- B. Monitor for increased serum glucose levels from steroid therapy.
- C. Restrict dietary intake of foods high in potassium.
- D. Note any change in the color and consistency of stools.
Correct answer: A
Rationale: The correct answer is to replace lost fluid and sodium. During an acute episode of ulcerative colitis, the priority is to manage the patient's fluid and electrolyte balance. This is crucial due to the potential for dehydration and electrolyte imbalances resulting from diarrhea and inflammation in the colon. Monitoring serum glucose levels (Choice B) may be important for patients on steroid therapy, but in this scenario, fluid and electrolyte balance take precedence. Restricting dietary intake of foods high in potassium (Choice C) is not a priority in the acute phase of ulcerative colitis. While noting changes in stool color and consistency (Choice D) is important for assessing the patient's gastrointestinal status, it is not the priority when managing acute ulcerative colitis.
4. Which of the following tests can be performed to diagnose a hiatal hernia?
- A. Colonoscopy
- B. Lower GI series
- C. Barium swallow
- D. Abdominal x-rays
Correct answer: C
Rationale: A barium swallow is a diagnostic test that can visualize the esophagus, stomach, and small intestine to diagnose a hiatal hernia.
5. A client with a peptic ulcer is scheduled for a vagotomy. The client asks the nurse about the purpose of this procedure. The nurse tells the client that the procedure:
- A. Decreases food absorption in the stomach
- B. Heals the gastric mucosa
- C. Halts stress reactions
- D. Reduces the stimulus to acid secretions
Correct answer: D
Rationale: A vagotomy reduces the stimulus to acid secretions by cutting the vagus nerve, which innervates the stomach.
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