ATI LPN
LPN Pharmacology Practice Test
1. A client has a new prescription for atenolol. Which of the following instructions should be included?
- A. Take the medication with food.
- B. Monitor heart rate daily.
- C. Avoid eating foods high in potassium.
- D. Take the medication at bedtime.
Correct answer: B
Rationale: The correct answer is to monitor heart rate daily. Atenolol is a beta-blocker that can lead to bradycardia, a condition characterized by a slow heart rate. Monitoring the heart rate daily is essential to detect any abnormal changes promptly, allowing for timely medical intervention if necessary. Choice A is incorrect because atenolol can be taken with or without food. Choice C is irrelevant as atenolol does not interact with potassium-rich foods. Choice D is incorrect as atenolol is usually taken in the morning to help manage blood pressure throughout the day.
2. A client with hypertension is prescribed a thiazide diuretic. What instruction should the nurse reinforce to the client?
- A. Take the medication in the morning.
- B. Increase potassium intake in the diet.
- C. Weigh yourself daily.
- D. Limit fluid intake to 2 liters per day.
Correct answer: C
Rationale: The correct answer is to weigh oneself daily. This instruction is important as daily weights help monitor fluid loss and are crucial for detecting early signs of fluid imbalance when taking a diuretic. Weighing daily allows for timely adjustments in treatment and helps prevent complications associated with fluid imbalance. Choice A is not directly related to the client's need for monitoring fluid balance. Choice B, although important for some diuretics, is not specific to thiazide diuretics. Choice D is not appropriate as limiting fluid intake without proper monitoring can lead to dehydration, especially when taking diuretics.
3. A client has a new prescription for clozapine. Which of the following instructions should the nurse include?
- A. You should have your white blood cell count checked regularly.
- B. You should take this medication on an empty stomach.
- C. You should avoid eating foods high in tyramine.
- D. You should avoid taking this medication with milk.
Correct answer: A
Rationale: The correct answer is A: 'You should have your white blood cell count checked regularly.' Clozapine can lead to agranulocytosis, a serious condition characterized by a low white blood cell count. Regular monitoring of the white blood cell count is crucial to detect this adverse effect early and prevent serious complications. Choices B, C, and D are incorrect because taking clozapine on an empty stomach, avoiding foods high in tyramine, or avoiding taking the medication with milk are not specific instructions related to the potential adverse effect of agranulocytosis associated with clozapine.
4. What is the initial action the nurse should take for a client who had a myocardial infarction (MI) and is experiencing restlessness, agitation, and an increased respiratory rate?
- A. Administer oxygen.
- B. Administer morphine sulfate.
- C. Notify the healthcare provider.
- D. Take the client's blood pressure.
Correct answer: A
Rationale: Administering oxygen is the priority action for a client experiencing restlessness, agitation, and an increased respiratory rate after a myocardial infarction (MI). This intervention helps ensure adequate oxygenation, improve cardiac function, and reduce the workload on the heart. Oxygen therapy takes precedence over administering medications like morphine sulfate or notifying the healthcare provider as it addresses the immediate need for oxygenation. Checking the blood pressure is also important but not as urgent as ensuring proper oxygen supply.
5. The LPN/LVN is assisting with the care of a client who has been diagnosed with a myocardial infarction (MI). Which laboratory test result would the nurse expect to see elevated within the first 24 hours of the client's admission?
- A. Serum troponin
- B. Serum creatinine
- C. Serum sodium
- D. Serum albumin
Correct answer: A
Rationale: Elevated serum troponin levels are indicative of myocardial damage and are commonly used as a diagnostic marker for myocardial infarction. Troponin levels typically rise within a few hours of an MI and remain elevated for several days, making it a crucial test for early detection and monitoring of cardiac injury. Serum creatinine is not typically elevated in the acute phase of a myocardial infarction. Serum sodium and serum albumin levels are not directly associated with myocardial infarction and are unlikely to be elevated in the first 24 hours following an MI.
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