ATI RN
ATI Gastrointestinal System Quizlet
1. Which of the following definitions best describes diverticulosis?
- A. An inflamed outpouching of the intestine
- B. A noninflamed outpouching of the intestine
- C. The partial impairment of the forward flow of intestinal contents
- D. An abnormal protrusion of an organ through the structure that usually holds it
Correct answer: B
Rationale: The correct answer is B: 'A noninflamed outpouching of the intestine.' Diverticulosis refers to the presence of small, bulging pouches (diverticula) that can form in the lining of the digestive system, especially the colon. These pouches are typically noninflamed. Choice A is incorrect because it describes diverticulitis, which is the inflammation of these pouches. Choice C is incorrect as it defines bowel obstruction, not diverticulosis. Choice D is incorrect as it refers to a hernia, not diverticulosis.
2. The nurse assesses the client's understanding of the relationship between body position and gastroesophageal reflux. Which response would indicate that the client understands measures to avoid problems with reflux while sleeping?
- A. I can elevate the foot of the bed 4 to 6 inches.
- B. I can sleep on my stomach with my head turned to the left.
- C. I can sleep on my back without a pillow under my head.
- D. I can elevate the head of the bed 4 to 6 inches.
Correct answer: D
Rationale: Sleeping with the head of the bed elevated encourages movement of food through the esophagus by gravity. By fostering esophageal acid clearance, gravity helps keep the acidic pepsin and alkaline biliary secretions from contacting the esophagus. Elevating the foot of the bed does not affect clearance of esophageal acid. Sleeping on the stomach with the head turned to the left will not decrease reflux incidence. Sleeping flat without a pillow under the head does not enhance clearance.
3. 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.
4. Which of the following symptoms best describes Murphy’s sign?
- A. Periumbilical ecchymosis exists
- B. On deep palpation and release, pain is elicited
- C. On deep inspiration, pain is elicited and breathing stops
- D. Abdominal muscles are tightened in anticipation of palpation
Correct answer: C
Rationale: Murphy's sign is described as pain elicited on deep inspiration when the examiner's fingers are placed under the right costal margin.
5. The nurse is scheduling diagnostic tests for a client. If all of the following diagnostic tests are ordered, which would be performed last?
- A. Gallbladder series
- B. Barium enema
- C. Barium swallow
- D. Oral cholecystogram
Correct answer: C
Rationale: The correct answer is C, 'Barium swallow.' A barium swallow should be done after a barium enema or gallbladder series to prevent the contrast used in the barium swallow from obstructing the view of other organs. It takes several days for swallowed barium to pass completely out of the gastrointestinal tract. Choices A, B, and D are incorrect because a barium swallow should be the last test performed to ensure clear imaging without interference from residual contrast material.
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