ATI RN
ATI Gastrointestinal System Quizlet
1. Radiation therapy is used to treat colon cancer before surgery for which of the following reasons?
- A. Reducing the size of the tumor
- B. Eliminating the malignant cells
- C. Curing the cancer
- D. Helping the bowel heal after surgery
Correct answer: A
Rationale: Radiation therapy is used before surgery to reduce the size of the tumor, making it easier to remove.
2. The client with ascites is scheduled for a paracentesis. The nurse is assisting the physician in performing the procedure. Which of the following positions will the nurse assist the client to assume for this procedure?
- A. Supine
- B. Left side-lying
- C. Right side-lying
- D. Upright position.
Correct answer: D
Rationale: An upright position allows the intestine to float posteriorly and helps prevent intestinal laceration during catheter insertion.
3. Which of the following best describes the method of action of medications, such as ranitidine (Zantac), which are used in the treatment of peptic ulcer disease?
- A. Neutralize acid
- B. Reduce acid secretions
- C. Stimulate gastrin release
- D. Protect the mucosal barrier
Correct answer: B
Rationale: Medications like ranitidine (Zantac) are H2 receptor antagonists that reduce acid secretions in the stomach, helping to treat peptic ulcer disease.
4. The nurse is caring for a client on the first postoperative day following a surgical repair of an abdominal aortic aneurysm. Which nursing diagnosis is the most important for this client?
- A. Risk for infection
- B. Deficient knowledge
- C. Ineffective peripheral tissue perfusion
- D. Activity intolerance
Correct answer: C
Rationale: Peripheral tissue perfusion is a major concern in the postoperative period following an abdominal aneurysm repair. Peripheral pulses should be checked frequently during the first 24 hours. A weak or absent pulse may be a sign of embolization or graft closure, especially if accompanied by a pale, cold, mottled extremity; the nurse should immediately report this to the surgeon. Risk for infection, deficient knowledge, and activity intolerance are all important nursing diagnoses in the postoperative period, but peripheral tissue perfusion is the most immediate concern.
5. The nurse is monitoring a client for the early signs and symptoms for dumping syndrome. Which symptom indicates this occurrence?
- A. Abdominal cramping and pain
- B. Bradycardia and indigestion
- C. Sweating and pallor
- D. Double vision and chest pain
Correct answer: C
Rationale: Early manifestations of dumping syndrome occur 5 to 30 minutes after eating. Symptoms include vertigo, tachycardia, syncope, sweating, pallor, palpitations, and the desire to lie down.
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