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Adult Medical Surgical ATI
1. Which of the following statements about Helicobacter pylori (H. pylori) is false?
- A. H. pylori does not invade the gastric or duodenal epithelium
- B. H. pylori stimulates gastric acid secretion
- C. Eradication of H. pylori prevents adenocarcinoma of the stomach
- D. H. pylori produces a urease that splits urea into ammonia and CO2
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 is undergoing chemotherapy and is at risk for developing thrombocytopenia. What precaution should the nurse teach the client to minimize the risk of bleeding?
- A. Use a soft-bristled toothbrush.
- B. Engage in daily aerobic exercise.
- C. Take aspirin for headaches.
- D. Use an electric razor for shaving.
Correct answer: A
Rationale: Using a soft-bristled toothbrush is essential for clients at risk of thrombocytopenia to prevent gum bleeding, as their platelet counts may be low. Vigorous brushing with a hard-bristled toothbrush can injure the gums, leading to bleeding, which can be exacerbated in clients with low platelets. Therefore, advising the client to use a soft-bristled toothbrush is a crucial precaution to minimize the risk of bleeding.
3. A client with left-sided heart failure is experiencing dyspnea and orthopnea. Which position should the nurse place the client in to relieve these symptoms?
- A. High Fowler's position.
- B. Supine position.
- C. Trendelenburg position.
- D. Sims' position.
Correct answer: A
Rationale: Placing the client in High Fowler's position is beneficial for individuals with left-sided heart failure experiencing dyspnea and orthopnea. This position helps to reduce venous return, decrease preload, and enhance respiratory function, thereby relieving the symptoms mentioned. Choice B, the supine position, is not recommended as it may exacerbate dyspnea and orthopnea by increasing preload. Choice C, the Trendelenburg position, is incorrect as it involves the feet being positioned higher than the head, which is not suitable for heart failure patients. Choice D, the Sims' position, is a lateral position used for rectal examination and is not indicated for relieving dyspnea and orthopnea in heart failure.
4. What side effect should be monitored for in a patient with chronic heart failure taking spironolactone?
- A. Hypokalemia
- B. Hyperkalemia
- C. Hyponatremia
- D. Hypernatremia
Correct answer: B
Rationale: The correct answer is B: Hyperkalemia. Spironolactone is a potassium-sparing diuretic commonly used in patients with heart failure. One of the potential side effects of spironolactone therapy is hyperkalemia, which is an elevated level of potassium in the blood. Hyperkalemia can lead to serious cardiac arrhythmias, making it crucial for healthcare providers to monitor potassium levels closely. Choices A, C, and D are incorrect because hypokalemia (low potassium levels), hyponatremia (low sodium levels), and hypernatremia (high sodium levels) are not typically associated with spironolactone use in patients with chronic heart failure.
5. A healthcare professional is educating a group of recent nursing graduates about their risks for contracting hepatitis B. What preventative measure should the professional promote?
- A. Immunization
- B. Chronic tonsillitis
- C. Consumption of a vitamin-rich diet
- D. Annual vitamin K injections
Correct answer: A
Rationale: The correct preventative measure to promote for preventing hepatitis B infection is immunization. Healthcare workers, including nurses, are at risk of exposure to hepatitis B, and vaccination is crucial in preventing infection. Immunization, along with adherence to standard precautions such as using personal protective equipment, proper hand hygiene, and safe needle practices, plays a vital role in protecting healthcare workers from contracting hepatitis B.
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