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. The client is receiving heparin therapy for deep vein thrombosis (DVT). Which lab test should be monitored to evaluate the effectiveness of heparin?
- A. Prothrombin time (PT)
- B. International normalized ratio (INR)
- C. Activated partial thromboplastin time (aPTT)
- D. Fibrinogen levels
Correct answer: C
Rationale: Activated partial thromboplastin time (aPTT) is the appropriate lab test to monitor the therapeutic effectiveness of heparin therapy. Heparin affects the intrinsic pathway of the coagulation cascade, and monitoring aPTT helps ensure the client is within the therapeutic range to prevent clot formation. Prothrombin time (PT) and International normalized ratio (INR) are used to monitor warfarin therapy, a different anticoagulant that affects the extrinsic pathway of the coagulation cascade. Fibrinogen levels are not specific to monitoring heparin therapy.
3. A client has just completed an information session about measures to minimize the progression of coronary artery disease (CAD). Which statement indicates an initial understanding of lifestyle alterations?
- A. I should take daily medication for life.
- B. I should eat a diet that is low in fat and cholesterol.
- C. I should continue to smoke to keep the metabolic rate high.
- D. I should begin to exercise if the diet is not sufficient to achieve weight loss.
Correct answer: B
Rationale: Choosing a diet that is low in fat and cholesterol is crucial for managing and preventing the progression of coronary artery disease (CAD). This dietary change can help reduce the risk of further complications associated with CAD, such as plaque buildup in the arteries. It is a fundamental lifestyle alteration that can positively impact the client's heart health. Option A is incorrect as relying solely on medication without lifestyle changes may not address the root cause of CAD. Option C is incorrect as smoking is harmful and worsens CAD. Option D is incorrect because exercise is a crucial part of a healthy lifestyle, but dietary changes should come first in managing CAD.
4. A client with chronic heart failure is being discharged with a prescription for digoxin (Lanoxin). Which instruction should the nurse reinforce?
- A. Take the medication at the same time each day.
- B. Avoid foods high in potassium.
- C. Skip a dose if you feel well.
- D. Take the medication on an empty stomach.
Correct answer: A
Rationale: Taking digoxin at the same time each day is essential to maintain a consistent blood level of the medication. This consistency helps optimize the therapeutic effects of digoxin in managing chronic heart failure. Deviating from the scheduled time could lead to fluctuations in drug levels, affecting its effectiveness and potentially causing harm. Choices B, C, and D are incorrect because avoiding potassium-rich foods, skipping doses when feeling well, and taking the medication on an empty stomach are not relevant or appropriate instructions for a client prescribed digoxin.
5. The healthcare provider is reinforcing dietary instructions to a client with coronary artery disease who has been prescribed a low-cholesterol diet. The healthcare provider should advise the client to choose which food item?
- A. Whole milk
- B. Oatmeal with fresh fruit
- C. Fried chicken
- D. Bacon and eggs
Correct answer: B
Rationale: Oatmeal with fresh fruit is the correct choice for a client with coronary artery disease on a low-cholesterol diet. Oatmeal is a heart-healthy option that is low in cholesterol and saturated fats. Fresh fruits are also a good source of essential nutrients and fiber. Choices A, C, and D are not suitable for a low-cholesterol diet. Whole milk, fried chicken, bacon, and eggs are high in cholesterol and saturated fats, which can be detrimental to individuals with coronary artery disease.
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