ATI LPN
LPN Pharmacology Practice Test
1. When preparing to administer a controlled substance, which of the following actions is required?
- A. Check the client's identification bracelet.
- B. Check the client's allergy status.
- C. Have a second nurse witness disposal of the medication.
- D. Document the administration in the client's medical record.
Correct answer: C
Rationale: When administering controlled substances, it is crucial to have a second nurse witness the disposal of the medication. This measure ensures proper handling, reduces the risk of diversion, and promotes compliance with regulations regarding controlled substances. Having a second nurse witness the disposal is a safeguard to maintain accountability and prevent any potential misuse or errors during the disposal process. Checking the client's identification bracelet and allergy status are important steps in medication administration but are not specifically required for controlled substances. Documenting the administration in the client's medical record is essential but does not specifically relate to the disposal of controlled substances.
2. Before administering digoxin (Lanoxin) to a client diagnosed with heart failure, the nurse should perform which assessment?
- A. Check the blood pressure.
- B. Obtain an electrocardiogram (ECG).
- C. Assess the apical pulse.
- D. Review the latest electrolyte levels.
Correct answer: C
Rationale: Assessing the apical pulse is crucial before administering digoxin because the medication can lead to bradycardia. Monitoring the apical pulse helps determine the heart rate, and digoxin is typically withheld if the pulse is below 60 beats per minute. This assessment is essential to prevent potential adverse effects associated with digoxin administration. Checking the blood pressure (Choice A) is important but not specific to digoxin administration. Obtaining an electrocardiogram (ECG) (Choice B) may provide valuable information but is not the primary assessment needed before administering digoxin. Reviewing the latest electrolyte levels (Choice D) is important for assessing the overall condition but is not the immediate assessment required before administering digoxin.
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. When teaching a client with a new prescription for spironolactone, which instruction should the nurse include?
- A. Increase your intake of potassium-rich foods.
- B. Avoid consuming grapefruit juice.
- C. Take the medication with food.
- D. Monitor for signs of hyperkalemia.
Correct answer: D
Rationale: The correct answer is to instruct the client to monitor for signs of hyperkalemia when taking spironolactone since it is a potassium-sparing diuretic. Hyperkalemia is a potential adverse effect due to the medication's mechanism of action. Advising the client to increase potassium-rich foods (Choice A) would be incorrect as it can further elevate potassium levels, which could lead to hyperkalemia. Avoiding grapefruit juice (Choice B) is not directly related to spironolactone use. Though taking the medication with food (Choice C) can help reduce gastrointestinal upset, it is not the most critical instruction when initiating spironolactone therapy.
5. 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.
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