ATI RN
Gastrointestinal System Nursing Exam Questions
1. The nurse aspirates 40 mL of undigested formula from the client’s nasogastric tube. Before administering an intermittent tube feeding, the nurse understands that the 40 mL of gastric aspirate should be
- A. Discarded properly and recorded as output on the client’s intake and output record.
- B. Poured into the nasogastric tube through a syringe with the plunger removed.
- C. Mixed with the formula and poured into the nasogastric tube through a syringe with the plunger removed.
- D. Diluted with water and injected into the nasogastric tube by putting pressure on the plunger.
Correct answer: B
Rationale: After checking the residual feeding contents, the gastric contents are reinstalled into the stomach by removing the syringe bulb or plunger and pouring the gastric contents into the syringe and through the nasogastric tube. Gastric contents should be reinstalled to maintain the client’s electrolyte balance. The gastric contents should be poured into the nasogastric tube through a syringe without a plunger and not injected by putting pressure on the plunger. Gastric contents do not need to be mixed with water or should the contents be discarded.
2. Mucosal barrier fortifiers are used in peptic ulcer disease management for which of the following indications?
- A. To inhibit mucus production
- B. To neutralize acid production
- C. To stimulate mucus production
- D. To stimulate hydrogen ion diffusion back into the mucosa
Correct answer: C
Rationale: Mucosal barrier fortifiers stimulate mucus production, which helps protect the lining of the stomach and manage peptic ulcer disease.
3. 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.
4. Fistulas are most common with which of the following bowel disorders?
- A. Crohn’s disease
- B. Diverticulitis
- C. Diverticulosis
- D. Ulcerative colitis
Correct answer: A
Rationale: Fistulas are most common in Crohn's disease due to the transmural inflammation that characterizes this condition.
5. Your teaching Anthony how to use his new colostomy. How much skin should remain exposed between the stoma and the ring of the appliance?
- A. 1/16”
- B. 1/4″
- C. 1/2”
- D. 1”
Correct answer: A
Rationale: When teaching a patient how to use a colostomy, only 1/16” of skin should remain exposed between the stoma and the ring of the appliance to prevent skin irritation.
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