ATI LPN
LPN Pharmacology Practice Test
1. A client has a new prescription for furosemide. Which of the following instructions should the nurse include?
- A. Take the medication with or without food.
- B. Monitor for signs of hypokalemia.
- C. Increase your intake of potassium-rich foods.
- D. Expect an increase in urination.
Correct answer: D
Rationale: The correct instruction to include when a client is prescribed furosemide is to expect an increase in urination. Furosemide is a diuretic that works by increasing urine production, so it is essential for the client to anticipate and understand this effect. Monitoring for signs of hypokalemia and increasing potassium-rich foods are not directly related to furosemide use. Hypokalemia is a potential side effect of furosemide, so monitoring for it is crucial. Increasing potassium-rich foods can help counteract potassium loss due to diuretic use. Taking furosemide with food is not required, as it can be taken with or without food.
2. A client has a new prescription for amlodipine. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Monitor blood pressure daily.
- C. Increase intake of potassium-rich foods.
- D. Avoid consuming grapefruit juice.
Correct answer: B
Rationale: The correct answer is B: 'Monitor blood pressure daily.' When a client is prescribed amlodipine, it is essential to monitor their blood pressure regularly. Amlodipine is known to cause hypotension, so monitoring blood pressure helps ensure it stays within the desired range to prevent complications associated with low blood pressure. Choice A is incorrect because amlodipine can be taken with or without food. Choice C is incorrect as increasing potassium intake is not a specific instruction related to amlodipine. Choice D is incorrect as grapefruit juice interactions are not typically a concern with amlodipine.
3. A client has a new prescription for captopril. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Monitor for signs of hypokalemia.
- C. Take the medication at bedtime.
- D. Monitor for a dry cough.
Correct answer: D
Rationale: The correct answer is to monitor for a dry cough. Captopril is known to cause a persistent dry cough as a common side effect. If a dry cough develops, it should be reported to the healthcare provider promptly, as it may necessitate discontinuation of the medication. Choice A is incorrect because captopril is usually taken on an empty stomach. Choice B is incorrect as hypokalemia is not a common side effect of captopril. Choice C is incorrect as captopril is typically taken during the day and not specifically at bedtime.
4. A client with a diagnosis of heart failure is prescribed spironolactone (Aldactone). Which laboratory value should the nurse monitor closely?
- A. Serum calcium
- B. Serum potassium
- C. Serum sodium
- D. Serum glucose
Correct answer: B
Rationale: The correct answer is B: Serum potassium. Spironolactone is a potassium-sparing diuretic, which can lead to hyperkalemia. Monitoring serum potassium levels is crucial to prevent potential complications related to high potassium levels, such as cardiac arrhythmias. Therefore, close monitoring of serum potassium is essential for clients taking spironolactone. Choices A, C, and D are incorrect because spironolactone does not directly impact serum calcium, sodium, or glucose levels significantly. While these values may be monitored for other reasons in a client with heart failure, they are not the primary focus of monitoring when spironolactone is prescribed.
5. A client is receiving intravenous heparin therapy for the treatment of deep vein thrombosis (DVT). Which laboratory test result should the LPN/LVN monitor to ensure the client is receiving a therapeutic dose?
- A. Prothrombin time (PT)
- B. Activated partial thromboplastin time (aPTT)
- C. International normalized ratio (INR)
- D. Platelet count
Correct answer: B
Rationale: The correct laboratory test result that the LPN/LVN should monitor to ensure the client is receiving a therapeutic dose of heparin therapy is the activated partial thromboplastin time (aPTT). The aPTT test is specifically used to monitor heparin therapy, ensuring that the dose administered is within the therapeutic range. Monitoring aPTT helps to prevent complications such as bleeding or clot formation by maintaining the appropriate anticoagulant effect of heparin. Prothrombin time (PT) and International normalized ratio (INR) are more commonly used to monitor warfarin therapy, not heparin. Platelet count is not a direct indicator of heparin's therapeutic effect and is not used to monitor heparin therapy.
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