Nursing Elites

1. A client who has had gastrectomy is not producing sufficient intrinsic factor. The nurse interprets that the client has lost the ability to absorb cyanocobalamin (vitamin B12) in the

• A. Stomach.
• B. Small intestine.
• C. Large intestine.
• D. Colon.

Correct answer: B

Rationale: Intrinsic factor is produced in the stomach but is used to aid in the absorption of vitamin B12 in the small intestine. Vitamin B12 is not absorbed in the large intestine (options 3 and 4).

2. 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.

3. A patient with Crohn’s disease is admitted after 4 days of diarrhea. Which of the following urine specific gravity values do you expect to find in this patient?

• A. 1.005
• B. 1.011
• C. 1.02
• D. 1.03

Correct answer: D

Rationale: A urine specific gravity of 1.030 indicates concentrated urine, which is expected in a patient with dehydration due to diarrhea from Crohn’s disease.

4. 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.

5. The most important pathophysiologic factor contributing to the formation of esophageal varices is:

• A. Decreased prothrombin formation
• B. Decreased albumin formation by the liver
• C. Portal hypertension
• D. Increased central venous pressure

Correct answer: C

Rationale: Portal hypertension is the most important pathophysiologic factor contributing to the formation of esophageal varices.

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