ATI RN
ATI Gastrointestinal System
1. A client is providing instructions to a client who is scheduled for an oral cholecystogram. The nurse tells the client to
- A. Eat a fat-free meal on the evening before the procedure.
- B. Maintain strict NPO status on the day of the procedure.
- C. Avoid oral intake except for water on the day of the procedure.
- D. Eat a high-fat meal for breakfast on the day of the procedure.
Correct answer: C
Rationale: For an oral cholecystogram, the client should eat a fat-free meal the evening before the procedure and avoid oral intake except for water on the day of the procedure. During the test, the client may be given a high-fat meal or drink to stimulate gallbladder emptying. Choice A is incorrect because the client should have a fat-free meal, not a high-fat meal. Choice B is incorrect as strict NPO status is not required. Choice D is incorrect as a high-fat meal is not recommended for breakfast on the day of the procedure.
2. Which of the following complications is thought to be the most common cause of appendicitis?
- A. A fecalith
- B. Bowel kinking
- C. Internal bowel occlusion
- D. Abdominal bowel swelling
Correct answer: A
Rationale: A fecalith is a hardened stool that can block the appendix, leading to inflammation and infection, which is the most common cause of appendicitis.
3. Which of the following substances is most likely to cause gastritis?
- A. Milk
- B. Bicarbonate of soda or baking soda
- C. Enteric-coated aspirin
- D. Nonsteroidal anti-inflammatory drugs (NSAIDs)
Correct answer: D
Rationale: The correct answer is D, Nonsteroidal anti-inflammatory drugs (NSAIDs). NSAIDs are known to cause gastritis by irritating the stomach lining. Choice A, Milk, is unlikely to cause gastritis and is actually a common remedy for mild gastritis symptoms. Choice B, Bicarbonate of soda or baking soda, is often used to relieve heartburn and indigestion, not cause gastritis. Choice C, Enteric-coated aspirin, is less likely to cause gastritis compared to NSAIDs because the enteric coating helps protect the stomach lining from irritation.
4. Vasopressin (Pitressin) therapy is prescribed for a client with a diagnosis of bleeding esophageal varices. The nurse is preparing to administer the medication to the client. Which of the following essential items is needed during the administration of this medication?
- A. A cardiac monitor
- B. An intubation set
- C. A suction setup
- D. A tracheotomy set
Correct answer: A
Rationale: The major action of vasopressin is constriction of the splanchnic blood flow. Continuous electrocardiogram and blood pressure monitoring are essential because of the constrictive effects of the medication on the coronary arteries. Options 2, 3, and 4 are not essential items required during the administration of this medication.
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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