ATI LPN
Pharmacology for LPN
1. The healthcare professional is reinforcing teaching for a client with peripheral artery disease (PAD). Which statement by the client indicates a need for further teaching?
- A. I will keep my legs elevated on pillows while resting.
- B. I will avoid crossing my legs when sitting.
- C. I will wear loose-fitting, comfortable shoes.
- D. I will avoid exposure to cold temperatures.
Correct answer: A
Rationale: The correct answer is A. Elevating the legs can decrease blood flow in clients with PAD, worsening symptoms. Therefore, advising the client to keep the legs elevated on pillows while resting is incorrect and can exacerbate the condition. Choice B is correct as avoiding crossing legs helps prevent circulation restriction. Choice C is correct as wearing loose-fitting shoes promotes circulation. Choice D is correct as avoiding exposure to cold temperatures helps prevent vasoconstriction, which can worsen PAD symptoms.
2. 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.
3. A client diagnosed with thrombophlebitis 1 day ago suddenly complains of chest pain and shortness of breath. The LPN/LVN understands that a life-threatening complication of this condition is which?
- A. Pneumonia
- B. Pulmonary edema
- C. Pulmonary embolism
- D. Myocardial infarction
Correct answer: C
Rationale: The correct answer is C, Pulmonary embolism. Pulmonary embolism is a critical complication of thrombophlebitis where a blood clot dislodges and travels to the lungs, obstructing blood flow. This obstruction can lead to chest pain, shortness of breath, and potentially fatal consequences, making it a life-threatening emergency that requires prompt intervention. Choices A, B, and D are incorrect because pneumonia, pulmonary edema, and myocardial infarction are not directly associated with thrombophlebitis and would not present with the sudden onset of chest pain and shortness of breath in this context.
4. A client has a new prescription for alendronate. Which of the following instructions should be included in the teaching?
- A. Take the medication with a full glass of water.
- B. Lie down for 30 minutes after taking the medication.
- C. Take the medication at bedtime.
- D. Avoid dairy products while taking the medication.
Correct answer: A
Rationale: The correct instruction for taking alendronate is to take it with a full glass of water to prevent esophageal irritation. This helps ensure proper absorption and reduces the risk of irritation to the esophagus. Choice B is incorrect because patients should remain upright for at least 30 minutes after taking alendronate to prevent esophageal irritation. Choice C is incorrect as alendronate should be taken in the morning on an empty stomach. Choice D is also incorrect as there is no specific requirement to avoid dairy products while taking alendronate.
5. A client has a new prescription for heparin. Which of the following laboratory results should be monitored to evaluate the effectiveness of the medication?
- A. Prothrombin time (PT)
- B. International normalized ratio (INR)
- C. Activated partial thromboplastin time (aPTT)
- D. Platelet count
Correct answer: C
Rationale: Activated partial thromboplastin time (aPTT) is the laboratory result that should be monitored to evaluate the effectiveness of heparin. Heparin works by prolonging the aPTT, and monitoring this parameter helps ensure the medication's effectiveness and safety in preventing clot formation. Prothrombin time (PT) and International normalized ratio (INR) are used to monitor the effectiveness of warfarin, another anticoagulant. Platelet count is essential to assess platelet function and clotting disorders, but it is not specifically used to monitor heparin therapy.
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