all of the following statements about helicobacter pylori h pylori are true except
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Nursing Elites

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1. Which of the following statements about Helicobacter pylori (H. pylori) is false?

Correct answer: C

Rationale: H. pylori is known to reside in the mucus layer of the stomach and does not invade the epithelium. It produces urease that splits urea into ammonia and CO2. This action helps in neutralizing the acidic environment and allows H. pylori to survive. Additionally, urease activity can be detected in diagnostic tests for H. pylori. The stimulation of gastric acid secretion and disruption of the protective mucus layer are mechanisms by which H. pylori promotes injury. While eradicating H. pylori infection has been associated with a decreased risk of developing gastric cancer, it does not prevent adenocarcinoma of the stomach entirely.

2. A client with hyperthyroidism is prescribed propylthiouracil (PTU). Which instruction should the nurse include in the client's discharge teaching?

Correct answer: A

Rationale: Propylthiouracil (PTU) can suppress bone marrow function, increasing the risk of infection, so it is important to report signs of infection promptly.

3. The community mental health nurse is planning to visit four clients with schizophrenia today. Which client should the nurse see first?

Correct answer: A

Rationale: The mother who took her children from school due to delusions of aliens poses a significant risk to her children and herself. This situation requires immediate attention to ensure the safety and well-being of all involved. Choice B is concerning due to the history of substance abuse, but the immediate risk to life and safety as in Choice A takes precedence. Choice C, although important, does not present an immediate danger as the delusional belief of aliens. Choice D, while emotionally distressing, does not pose an immediate threat as the situation described in Choice A.

4. 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?

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.

5. A client has developed hepatic encephalopathy secondary to cirrhosis and is receiving care on the medical unit. The client's current medication regimen includes lactulose four times daily. What desired outcome should the nurse relate to this pharmacologic intervention?

Correct answer: A

Rationale: Lactulose is used in hepatic encephalopathy to reduce blood ammonia levels by promoting bowel movements. The desired outcome of lactulose therapy is typically two to three soft bowel movements daily, which helps in eliminating excess ammonia from the body, thus improving the client's condition.

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