ATI LPN
LPN Pharmacology
1. An ambulatory clinic nurse is interviewing a client who is complaining of flu-like symptoms. The client suddenly develops chest pain. Which question best assists the nurse in discriminating pain caused by a non-cardiac problem?
- A. Can you describe the pain to me?
- B. Have you ever experienced this pain before?
- C. Does the pain get worse when you breathe in?
- D. Can you rate the pain on a scale of 1 to 10, with 10 being the worst?
Correct answer: C
Rationale: The correct answer is C. Pain that worsens with breathing in can indicate pleuritic chest pain, which is non-cardiac in nature. This specific question helps in differentiating non-cardiac causes from cardiac causes of chest pain, as cardiac pain typically does not worsen with breathing. Choices A, B, and D are less specific in discriminating between cardiac and non-cardiac chest pain.
2. During an assessment, a client taking valproic acid exhibits elevated liver enzymes. What finding should the nurse report to the provider?
- A. Elevated liver enzymes
- B. Weight loss
- C. Dry mouth
- D. Increased appetite
Correct answer: A
Rationale: Elevated liver enzymes are a critical finding that the nurse should report to the provider when assessing a client taking valproic acid. It can be indicative of hepatotoxicity, a severe side effect associated with valproic acid use. Timely reporting and intervention are essential to prevent further complications and ensure the client's safety and well-being. Choices B, C, and D are not directly related to valproic acid use or the manifestation of hepatotoxicity. Weight loss, dry mouth, and increased appetite are not typically associated with elevated liver enzymes in the context of valproic acid administration.
3. The nurse is assisting with the care of a client who is on a continuous heparin infusion for deep vein thrombosis (DVT). Which laboratory test should the nurse monitor to evaluate the effectiveness of the therapy?
- A. Prothrombin time (PT)
- B. Activated partial thromboplastin time (aPTT)
- C. International normalized ratio (INR)
- D. Platelet count
Correct answer: B
Rationale: To evaluate the effectiveness of heparin therapy in a client with DVT, the nurse should monitor the activated partial thromboplastin time (aPTT). The aPTT test helps ensure that the dose of heparin is within the therapeutic range, which is essential for preventing clot formation or excessive bleeding. Monitoring aPTT is crucial in managing patients on heparin therapy to maintain the delicate balance between preventing thrombosis and avoiding hemorrhage. Prothrombin time (PT) and International normalized ratio (INR) are more indicative of warfarin therapy effectiveness, not heparin. Platelet count assesses platelet levels and function, not the effectiveness of heparin therapy for DVT.
4. A client with a history of atrial fibrillation is prescribed warfarin (Coumadin). Which laboratory value should the nurse monitor to assess the effectiveness of the medication?
- A. Activated partial thromboplastin time (aPTT)
- B. Prothrombin time (PT) and international normalized ratio (INR)
- C. Platelet count
- D. Erythrocyte sedimentation rate (ESR)
Correct answer: B
Rationale: Prothrombin time (PT) and international normalized ratio (INR) are the laboratory values used to monitor the effectiveness of warfarin therapy. These values help ensure that the client is within the therapeutic range for anticoagulation. PT measures the time it takes for blood to clot, while INR standardizes PT results to minimize variations between laboratories. Monitoring these values is crucial to prevent complications such as bleeding or clot formation. Activated partial thromboplastin time (aPTT) (Choice A) is more commonly used to monitor heparin therapy. Platelet count (Choice C) assesses the number of platelets in the blood and is not specific to warfarin therapy. Erythrocyte sedimentation rate (ESR) (Choice D) is a non-specific marker of inflammation and is not used to monitor the effectiveness of warfarin therapy.
5. A client has just completed an information session about measures to minimize the progression of coronary artery disease (CAD). Which statement indicates an initial understanding of lifestyle alterations?
- A. I should take daily medication for life.
- B. I should eat a diet that is low in fat and cholesterol.
- C. I should continue to smoke to keep the metabolic rate high.
- D. I should begin to exercise if the diet is not sufficient to achieve weight loss.
Correct answer: B
Rationale: Choosing a diet that is low in fat and cholesterol is crucial for managing and preventing the progression of coronary artery disease (CAD). This dietary change can help reduce the risk of further complications associated with CAD, such as plaque buildup in the arteries. It is a fundamental lifestyle alteration that can positively impact the client's heart health. Option A is incorrect as relying solely on medication without lifestyle changes may not address the root cause of CAD. Option C is incorrect as smoking is harmful and worsens CAD. Option D is incorrect because exercise is a crucial part of a healthy lifestyle, but dietary changes should come first in managing CAD.
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