ATI RN
Gastrointestinal System ATI
1. The student nurse is participating in colorectal cancer-screening program. Which patient has the fewest risk factors for colon cancer?
- A. Janice, a 45 y.o. with a 25-year history of ulcerative colitis
- B. George, a 50 y.o. whose father died of colon cancer
- C. Herman, a 60 y.o. who follows a low-fat, high-fiber diet
- D. Sissy, a 72 y.o. with a history of breast cancer
Correct answer: C
Rationale: Herman, a 60 y.o. who follows a low-fat, high-fiber diet, has the fewest risk factors for colon cancer.
2. You’re assessing the stoma of a patient with a healthy, well-healed colostomy. You expect the stoma to appear:
- A. Pale, pink and moist
- B. Red and moist
- C. Dark or purple colored
- D. Dry and black
Correct answer: B
Rationale: A healthy, well-healed colostomy stoma should appear red and moist.
3. The home care nurse is visiting a client with a diagnosis of pernicious anemia that developed as a result of gastric surgery. The nurse instructs the client that because the stomach lining produces a decreased amount of intrinsic factor in this disorder, the client will need
- A. Vitamin B12 injections
- B. Vitamin B6 injections
- C. An antibiotic
- D. An antacid
Correct answer: A
Rationale: A lack of intrinsic factor needed to absorb vitamin B12 occurs in pernicious anemia. Vitamin B12 is needed for the maturation of red blood cells. Vitamin B6 is not necessarily needed for pernicious anemia and can be taken orally. An antibiotic and antacids may be prescribed for certain types of gastric ulcers.
4. Your patient with peritonitis is NPO and complaining of thirst. What is your priority?
- A. Increase the I.V. infusion rate.
- B. Use diversion activities.
- C. Provide frequent mouth care.
- D. Give ice chips every 15 minutes.
Correct answer: C
Rationale: The correct answer is C: Provide frequent mouth care. In a patient with peritonitis who is NPO and thirsty, the priority is to maintain oral hygiene and provide comfort by moistening the mouth with frequent mouth care. This helps alleviate the sensation of thirst and maintains oral health. Increasing the IV infusion rate (choice A) may not address the patient's discomfort directly related to thirst. Using diversion activities (choice B) is not as critical as addressing the patient's immediate need for oral care. Giving ice chips every 15 minutes (choice D) is not recommended for a patient with peritonitis who is NPO, as it can lead to complications or worsen the condition.
5. Which of the following definitions best describes gastritis?
- A. Erosion of the gastric mucosa
- B. Inflammation of a diverticulum
- C. Inflammation of the gastric mucosa
- D. Reflux of stomach acid into the esophagus
Correct answer: C
Rationale: The correct answer is C: 'Inflammation of the gastric mucosa.' Gastritis is characterized by inflammation of the stomach lining, specifically the gastric mucosa. This inflammation can be caused by various factors such as infections, medications, alcohol, or autoimmune diseases. Choice A, 'Erosion of the gastric mucosa,' is incorrect because erosion refers to the wearing away of tissue rather than inflammation. Choice B, 'Inflammation of a diverticulum,' is incorrect because gastritis specifically involves inflammation of the stomach lining, not a diverticulum. Choice D, 'Reflux of stomach acid into the esophagus,' describes gastroesophageal reflux disease (GERD), which is different from gastritis.
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