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. 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.
3. A client with heart failure is being discharged with a prescription for digoxin (Lanoxin). The nurse should include which instruction in the discharge teaching?
- A. Take your pulse before each dose and hold the medication if your pulse is below 60 beats per minute
- B. Increase your fluid intake to at least 3 liters per day
- C. Report any weight loss of more than 2 pounds in a week
- D. Take the medication with meals to avoid gastrointestinal upset
Correct answer: A
Rationale: The correct instruction for a client taking digoxin is to monitor the pulse before each dose and hold the medication if the pulse is below 60 beats per minute. Digoxin can cause bradycardia, so it is crucial to assess the pulse rate before administration to prevent potential complications. Choices B, C, and D are incorrect because increasing fluid intake, reporting weight loss, or taking the medication with meals are not specific instructions related to the safe use of digoxin.
4. A client has a new prescription for verapamil. Which of the following beverages should the client avoid while taking this medication?
- A. Orange juice
- B. Coffee
- C. Milk
- D. Grapefruit juice
Correct answer: D
Rationale: Grapefruit juice should be avoided while taking verapamil as it can increase drug levels and the risk of side effects. The interaction between grapefruit juice and verapamil can lead to higher concentrations of the medication in the bloodstream, potentially causing adverse effects. Orange juice, coffee, and milk do not have significant interactions with verapamil. Therefore, it is crucial for the client to avoid grapefruit juice to ensure the safe and effective use of verapamil.
5. A client with chronic obstructive pulmonary disease (COPD) is prescribed theophylline. The nurse should monitor the client for which sign of theophylline toxicity?
- A. Drowsiness
- B. Bradycardia
- C. Nausea
- D. Constipation
Correct answer: C
Rationale: Nausea is an early sign of theophylline toxicity. The nurse should closely monitor the client for this symptom as it can progress to more severe toxicity. Nausea can be a warning sign to prevent further complications and adjust the dosage as necessary. Drowsiness (choice A) is a common side effect of theophylline but not a specific sign of toxicity. Bradycardia (choice B) and constipation (choice D) are not typically associated with theophylline toxicity. Therefore, the correct answer is C.
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