ATI LPN
LPN Pharmacology Questions
1. A client is taking haloperidol. Which of the following findings should the nurse report to the provider?
- A. Weight gain
- B. Dry mouth
- C. Tremors
- D. Tardive dyskinesia
Correct answer: D
Rationale: The correct answer is D: Tardive dyskinesia. Tardive dyskinesia is a serious side effect associated with the long-term use of haloperidol. It is characterized by involuntary movements of the face, tongue, and extremities. Early detection is crucial as tardive dyskinesia may be irreversible and should be reported promptly to the healthcare provider for further evaluation and management. Choices A, B, and C are incorrect because weight gain, dry mouth, and tremors are common side effects of haloperidol but are not as concerning as tardive dyskinesia. While they should still be monitored and managed, tardive dyskinesia requires immediate attention due to its potentially irreversible nature.
2. In monitoring the effectiveness of warfarin therapy for a client with a history of atrial fibrillation, which laboratory value should the nurse monitor?
- 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 crucial laboratory values to monitor the effectiveness of warfarin therapy in clients with atrial fibrillation. These values help ensure that the client is within the therapeutic range and that the anticoagulant effect of warfarin is appropriate. Monitoring aPTT, platelet count, or ESR is not directly related to assessing the effectiveness of warfarin therapy in these cases.
3. The healthcare provider is reinforcing teaching for a client who is starting statin therapy. Which dietary advice should the healthcare provider give?
- A. Eat more whole grains.
- B. Avoid foods high in potassium.
- C. Avoid grapefruit and grapefruit juice.
- D. Increase intake of dairy products.
Correct answer: C
Rationale: The correct answer is C: Avoid grapefruit and grapefruit juice. Grapefruit and grapefruit juice can interfere with the metabolism of statins, leading to an increased risk of adverse effects. It is crucial for clients on statin therapy to avoid grapefruit products to ensure the medication's effectiveness and safety. Choices A, B, and D are incorrect because they do not directly impact the metabolism or effectiveness of statin therapy.
4. The client is starting therapy with digoxin (Lanoxin). What instruction should the nurse reinforce about the medication?
- A. Take the medication with meals.
- B. Avoid dairy products.
- C. Monitor for yellow or blurred vision.
- D. Increase potassium-rich foods in the diet.
Correct answer: C
Rationale: The correct answer is C: 'Monitor for yellow or blurred vision.' When a client is taking digoxin, it is crucial to monitor for signs of toxicity, such as yellow or blurred vision, as these can indicate an adverse reaction. Reporting these visual disturbances promptly to the healthcare provider is important for further evaluation and management to prevent potential complications. Choices A, B, and D are incorrect because taking digoxin with meals, avoiding dairy products, or increasing potassium-rich foods are not specific instructions related to monitoring for adverse effects of digoxin therapy.
5. What predisposing factor most likely contributed to the proximal end of the femur fracture in a 62-year-old woman who lives alone and tripped on a rug in her home?
- A. Failing eyesight leading to an unsafe environment
- B. Renal osteodystrophy from chronic kidney disease (CKD)
- C. Osteoporosis from declining hormone levels
- D. Cerebral vessel changes causing transient ischemic attacks
Correct answer: C
Rationale: The most likely predisposing factor contributing to the proximal end of the femur fracture in a 62-year-old woman is osteoporosis resulting from declining hormone levels. Osteoporosis weakens the bones, making them more susceptible to fractures, especially in older adults, particularly women. In this case, the fracture can be attributed to the bone density loss associated with osteoporosis, which is a common concern in postmenopausal women. Choices A, B, and D are less likely to have directly contributed to the femur fracture in this scenario. Failing eyesight may increase the risk of falls but does not directly weaken the bones. Renal osteodystrophy affects bone health but is less common in this age group. Cerebral vessel changes causing transient ischemic attacks are related to vascular issues, not bone strength.
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