ATI LPN
Pharmacology for LPN
1. The nurse is assisting in the care of a client with a history of chronic obstructive pulmonary disease (COPD) who is on oxygen therapy. Which action should the nurse take to ensure the client's safety?
- A. Set the oxygen flow rate to 4 liters per minute.
- B. Remove oxygen while the client is eating.
- C. Ensure the client wears a nasal cannula instead of a face mask.
- D. Maintain the oxygen flow rate at the lowest level that relieves hypoxia.
Correct answer: D
Rationale: For clients with COPD, too much oxygen can suppress their drive to breathe, leading to hypoventilation. Therefore, the nurse should maintain the oxygen flow rate at the lowest level that relieves hypoxia to prevent complications while ensuring adequate oxygenation. Setting the oxygen flow rate too high (Choice A) can be detrimental for the client with COPD. Removing oxygen while the client is eating (Choice B) can compromise oxygenation, which is essential even during meals. While nasal cannulas are commonly used, the choice of oxygen delivery device depends on the client's needs; there may be situations where a face mask (Choice C) is more appropriate.
2. A nurse is caring for a client with a chest tube post-surgery. What is the most important assessment?
- A. Ensure the chest tube is clamped periodically
- B. Check for air leaks and ensure proper chest tube function
- C. Encourage deep breathing and coughing every 2 hours
- D. Ensure the client is positioned in a high Fowler's position
Correct answer: B
Rationale: The correct answer is B: 'Check for air leaks and ensure proper chest tube function.' This is the most important assessment for a client with a chest tube post-surgery because it ensures that the chest tube is functioning properly. Checking for air leaks helps prevent complications such as pneumothorax or hemothorax. Choice A is incorrect because clamping the chest tube periodically can lead to serious complications and should not be done unless specifically ordered by a healthcare provider. Choice C is important for promoting lung expansion but is not the most critical assessment related to the chest tube. Choice D is also important for respiratory function but is not the priority when assessing a chest tube post-surgery.
3. A client is undergoing radiation therapy. Which of the following actions should the nurse take to prevent skin irritation?
- A. Apply heat packs to the area
- B. Use perfumed soap to cleanse the area
- C. Keep the area moist with lotion
- D. Avoid sun exposure to the treated area
Correct answer: D
Rationale: Avoiding sun exposure is crucial to prevent skin irritation and burns in clients undergoing radiation therapy. Radiation therapy makes the skin more sensitive to sunlight, increasing the risk of skin damage. Applying heat packs (choice A) can exacerbate skin irritation as heat can further irritate the skin that is already sensitive due to radiation. Using perfumed soap (choice B) can further irritate the skin due to its harsh chemicals, potentially worsening skin reactions. While keeping the area moist with lotion (choice C) may seem beneficial, some lotions contain ingredients that can worsen skin reactions during radiation therapy. Therefore, avoiding sun exposure to the treated area (choice D) is the most appropriate action to prevent skin irritation and damage during radiation therapy.
4. A nurse is delegating the collection of a sputum specimen to an assistive personnel (AP). At which of the following times should the nurse instruct the AP to collect the specimen?
- A. In the afternoon
- B. As soon as the client awakens in the morning
- C. Before bedtime
- D. Immediately after lunch
Correct answer: B
Rationale: The correct answer is B: 'As soon as the client awakens in the morning.' Sputum specimens should be collected early in the morning to obtain a concentrated sample. This timing ensures that the specimen is less diluted, providing a more accurate analysis. Choices A, C, and D are incorrect as they do not align with the optimal timing for collecting a sputum specimen, which is in the morning.
5. A 32-year-old woman presents with a 10-month history of an intermittent burning sensation in the epigastrium that is sometimes related to eating. She has heard about bacteria that can cause gastrointestinal (GI) symptoms. She has had no change in her weight and denies dysphagia. Her laboratory tests are normal. Which of the following would you recommend?
- A. Serum qualitative test for H. pylori
- B. Refer for endoscopy
- C. Obtain an upper GI series
- D. Treat her for H. pylori infection
Correct answer: A
Rationale: The patient presents with dyspepsia, described as an intermittent burning sensation in the epigastrium, sometimes related to eating. In individuals under 45 years without warning signs such as anemia, weight loss, or dysphagia, a serum qualitative test for H. pylori is recommended to document H. pylori infection, especially if the patient has not been previously treated. It's important to note that a serum IgG can remain positive post-eradication. If H. pylori-positive patients do not respond to treatment, an endoscopy would be the next step for evaluation. An upper GI series is less sensitive than endoscopy in detecting lesions of the upper GI tract and cannot specifically detect H. pylori. Empiric therapy for H. pylori without confirmation is not recommended.
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