ATI LPN
LPN Pharmacology Practice Test
1. A client has a new prescription for furosemide. Which of the following statements should the nurse include in the teaching?
- A. Take the medication in the morning.
- B. Monitor for muscle weakness.
- C. Eat foods high in potassium.
- D. Expect weight gain.
Correct answer: C
Rationale: The correct statement that the nurse should include in the teaching for a client prescribed furosemide is to eat foods high in potassium. Furosemide can lead to potassium depletion (hypokalemia) due to increased urine output. Consuming potassium-rich foods like bananas, oranges, spinach, and potatoes can help prevent this electrolyte imbalance. Choices A, B, and D are incorrect because taking furosemide in the morning, monitoring for muscle weakness, and expecting weight gain are not directly related to the potential side effects or necessary dietary adjustments when taking furosemide.
2. The nurse is preparing a client for discharge after a myocardial infarction (MI). Which instruction is most important for the nurse to reinforce with the client?
- A. Avoid engaging in sexual activity for at least 6 weeks.
- B. Engage in moderate physical activity daily.
- C. Take prescribed medications even if you feel well.
- D. Return to work only when medically cleared.
Correct answer: C
Rationale: The most critical instruction for a client after a myocardial infarction is to continue taking prescribed medications even if they feel well. This is essential in preventing another myocardial infarction or other complications. Discontinuing medications prematurely can be detrimental to the client's recovery and may increase the risk of further cardiovascular events. Choices A, B, and D are incorrect because engaging in sexual activity, physical activity, or returning to work are important aspects of the client's recovery, but not as crucial as ensuring medication compliance to prevent further cardiac issues.
3. A client with a history of chronic heart failure is being discharged. Which instruction should the nurse include in the discharge teaching?
- A. Weigh yourself daily and report a weight gain of 2 pounds or more in a day.
- B. Restrict fluid intake to 2000 mL per day.
- C. Increase your salt intake to prevent electrolyte imbalance.
- D. Exercise vigorously at least three times a week.
Correct answer: A
Rationale: The correct answer is to weigh yourself daily and report a weight gain of 2 pounds or more in a day. This instruction is crucial because daily weights help in early detection of fluid retention, a common complication in heart failure. Monitoring weight is essential for managing heart failure and preventing exacerbations. Choice B is incorrect because fluid restriction may be necessary in some cases of heart failure, but a general limit of 2000 mL per day is not appropriate without individual assessment. Choice C is incorrect as increasing salt intake can worsen fluid retention and exacerbate heart failure symptoms. Choice D is incorrect because while exercise is beneficial for heart health, vigorous exercise may not be suitable for all heart failure patients and should be tailored to their specific condition.
4. The client with a diagnosis of heart failure is receiving furosemide (Lasix). Which laboratory value is most important for the nurse to monitor?
- A. Blood glucose
- B. Serum sodium
- C. Serum potassium
- D. Blood urea nitrogen (BUN)
Correct answer: C
Rationale: The correct answer is C: Serum potassium. When a client is receiving furosemide, a loop diuretic, it can lead to potassium loss. Monitoring the serum potassium levels is crucial to prevent life-threatening complications such as cardiac arrhythmias. Blood glucose (Choice A) is not directly impacted by furosemide. Serum sodium (Choice B) may be affected, but monitoring potassium is more critical due to the risk of arrhythmias. Blood urea nitrogen (BUN) (Choice D) is important for assessing kidney function but is not the most crucial value to monitor in a client taking furosemide.
5. The client is receiving anticoagulant therapy for atrial fibrillation. Which laboratory test should be monitored to determine the effectiveness of the therapy?
- A. Prothrombin time (PT) and international normalized ratio (INR)
- B. Activated partial thromboplastin time (aPTT)
- C. Platelet count
- D. Erythrocyte sedimentation rate (ESR)
Correct answer: A
Rationale: Prothrombin time (PT) and international normalized ratio (INR) are essential laboratory tests to monitor the effectiveness of anticoagulant therapy in clients with atrial fibrillation. These tests help ensure that the client is within the therapeutic range and are commonly used to assess the clotting ability of the blood. Monitoring PT and INR levels allows healthcare providers to adjust anticoagulant dosages as needed to prevent complications such as bleeding or thrombosis. Activated partial thromboplastin time (aPTT) is more commonly used to monitor heparin therapy, not anticoagulant therapy for atrial fibrillation. Platelet count assesses the number of platelets in the blood and is not a direct indicator of anticoagulant therapy effectiveness. Erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and is not used to monitor anticoagulant therapy.
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