Nursing Elites

1. Lactulose (Chronulac) is prescribed for a client with a diagnosis of hepatic encephalopathy. The nurse would determine that this medication has had a therapeutic effect if which of the following is noted?

• A. Increased red blood cell count
• B. Decreased serum ammonia level
• C. Increased protein level
• D. Decreased white blood cell level

Correct answer: B

Rationale: Lactulose is prescribed for the client with hepatic encephalopathy to reduce bacterial breakdown of protein in the bowel. The medication creates an acidic environment in the bowel and causes the ammonia to leave the bloodstream and enter the colon. Ammonia then becomes trapped in the bowel. Lactulose also has a laxative effect that allows for the elimination of the ammonia.

2. A client with liver dysfunction is having difficulty with protein metabolism. The nurse anticipates that the results of which of the following serum laboratory studies will be elevated?

• A. Lactic acid
• B. Ammonia
• C. Albumin
• D. Lactase

Correct answer: B

Rationale: During deamination of proteins, the liver splits the amino group from the carbon-containing compound, which results in the formation of ammonia and a carbon residue. The liver then converts the toxic ammonia substance into urea, which can be excreted by the kidneys. Clients with liver dysfunction may have high serum ammonia levels as a result.

3. When counseling a client in ways to prevent cholecystitis, which of the following guidelines is most important?

• A. Eat a low-protein diet
• B. Eat a low-fat, low-cholesterol diet
• C. Limit exercise to 10 minutes/day
• D. Keep weight proportionate to height

Correct answer: B

Rationale: Eating a low-fat, low-cholesterol diet is most important for preventing cholecystitis.

4. A Penrose drain is in place on the first postoperative day following a cholecystectomy. Serosanguineous drainage is noted on the dressing covering the drain. Which nursing intervention is most appropriate?

• A. Notify the physician.
• B. Change the dressing.
• C. Circle the amount on the dressing with a pen.
• D. Continue to monitor the drainage.

Correct answer: B

Rationale: Serosanguineous drainage with a small amount of bile is expected from the Penrose drain for the first 24 hours. Drainage then decreases, and the drain is removed usually within 48 hours. The nurse does not need to notify the physician. A sterile dressing covers the site and should be changed to prevent infection and skin excoriation.

5. Which of the following measures should the nurse focus on for the client with esophageal varices?

• A. Recognizing hemorrhage
• B. Controlling blood pressure
• C. Encouraging nutritional intake
• D. Teaching the client about varices

Correct answer: A

Rationale: The primary focus for a client with esophageal varices is recognizing hemorrhage because these varices can rupture and cause significant bleeding.

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