Nursing Elites

1. Which of the following statements is true about ischemic colitis?

• A. Typically requires colonic resection
• B. Affects the watershed areas of the colon, namely, the splenic flexure, right colon, and rectum
• C. Is only seen in the elderly
• D. Requires colonoscopic intervention

Correct answer: B

Rationale: Ischemic colitis most often results from low-flow states associated with hypotension or poor perfusion. As a result, the vascular watershed areas of the colon, including the splenic flexure, right colon, and rectum, are at highest risk of ischemic injury. Therefore, option B is correct as it accurately identifies the areas commonly affected by ischemic colitis.

2. A client with cirrhosis of the liver is being cared for by the healthcare team. Which clinical manifestation indicates that the client has developed hepatic encephalopathy?

• A. Asterixis.
• B. Jaundice.
• C. Ascites.
• D. Splenomegaly.

Correct answer: A

Rationale: Asterixis, also known as flapping tremor, is a characteristic sign of hepatic encephalopathy, a severe complication of liver cirrhosis. Hepatic encephalopathy results from the liver's inability to detoxify substances in the body, leading to neurologic manifestations such as changes in mental status, confusion, and asterixis.

3. A 45-year-old woman presents with fatigue, pruritus, and jaundice. Laboratory tests reveal elevated bilirubin and alkaline phosphatase levels. Imaging shows a normal common bile duct but dilated intrahepatic bile ducts. What is the most likely diagnosis?

• A. Primary biliary cirrhosis
• B. Primary sclerosing cholangitis
• C. Gallstones
• D. Pancreatic cancer

Correct answer: A

Rationale: Based on the symptoms of fatigue, pruritus, and jaundice, along with elevated bilirubin and alkaline phosphatase levels, and imaging findings of a normal common bile duct but dilated intrahepatic bile ducts, the most likely diagnosis is primary biliary cirrhosis. Primary sclerosing cholangitis presents with different imaging findings, often showing strictures and beading of the bile ducts. Gallstones typically cause obstruction in the biliary system, leading to different symptoms and imaging findings. Pancreatic cancer would present with different clinical features and imaging characteristics.

4. The client has a nasogastric (NG) tube and is receiving enteral feedings. What intervention should the nurse implement to prevent complications associated with the NG tube?

• A. Flush the NG tube with water before and after feedings.
• B. Check gastric residual volume every 6 hours.
• C. Keep the head of the bed elevated at 30 degrees.
• D. Replace the NG tube every 24 hours.

Correct answer: C

Rationale: Keeping the head of the bed elevated at 30 degrees is crucial in preventing aspiration, a common complication associated with nasogastric (NG) tubes and enteral feedings. This position helps reduce the risk of reflux and aspiration of gastric contents into the lungs, promoting client safety and preventing respiratory complications. Flushing the NG tube with water before and after feedings (Choice A) is not the primary intervention to prevent complications. Checking gastric residual volume every 6 hours (Choice B) is important but not directly related to preventing complications associated with the NG tube. Replacing the NG tube every 24 hours (Choice D) is not a standard practice and is not necessary to prevent complications if the tube is functioning properly.

5. The patient described in the preceding questions has a positive H. pylori antibody blood test. She is compliant with the medical regimen you prescribe. Although her symptoms initially respond, she returns to see you six months later with the same symptoms. Which of the following statements is correct?

• A. She is at high risk for reinfection with H. pylori.
• B. A positive serum IgG indicates that eradication of H. pylori was unsuccessful.
• C. The urease breath test is an ideal test to document failure of eradication.
• D. Dyspepsia usually improves with H. pylori eradication.

Correct answer: C

Rationale: Reinfection with H. pylori is rare, and the persistence of infection usually indicates poor compliance with the medical regimen or antibiotic resistance. A positive serum IgG may persist indefinitely and cannot alone determine the failure of eradication. However, a decrease in quantitative IgG levels has been used to confirm treatment success. The urease breath test is recommended to assess the failure of eradication as it can detect the presence of H. pylori in the stomach, indicating treatment failure if positive.

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