ATI LPN
LPN Pharmacology Practice Test
1. A client has a new prescription for metformin. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Monitor for signs of hyperglycemia.
- C. Increase your fluid intake.
- D. Expect a sweet taste in your mouth.
Correct answer: C
Rationale: The correct instruction for a client starting metformin is to increase fluid intake. Metformin commonly causes gastrointestinal discomfort, and increasing fluid intake can help alleviate this side effect. Instructing the client to take the medication with food (Choice A) rather than on an empty stomach is recommended to reduce gastrointestinal side effects. Monitoring for signs of hyperglycemia (Choice B) is not directly related to metformin but rather to low blood sugar. Expecting a sweet taste in the mouth (Choice D) is not a common side effect of metformin.
2. A client has a new prescription for verapamil. Which of the following instructions should the nurse include?
- A. Monitor your heart rate daily.
- B. Take the medication at bedtime.
- C. Avoid consuming grapefruit juice.
- D. Take the medication with food.
Correct answer: A
Rationale: The correct answer is to instruct the client to monitor their heart rate daily when taking verapamil. Verapamil is a calcium channel blocker that can cause bradycardia, making it crucial to monitor the heart rate regularly to detect any changes promptly. Choice B, taking the medication at bedtime, is not specifically related to verapamil administration. Choice C, avoiding grapefruit juice, is more relevant to medications metabolized by CYP3A4 enzymes, not verapamil. Choice D, taking the medication with food, is not a specific instruction for verapamil, as it can be taken with or without food.
3. A client with chronic heart failure has been prescribed furosemide (Lasix). Which instruction should the nurse reinforce to the client regarding this medication?
- A. Take the medication with food.
- B. Limit foods high in potassium while taking this medication.
- C. Report any muscle cramps or weakness to your healthcare provider.
- D. Expect to urinate more frequently while on this medication.
Correct answer: C
Rationale: The correct instruction for the nurse to reinforce to the client regarding furosemide (Lasix) is to report any muscle cramps or weakness to the healthcare provider. Muscle cramps or weakness may indicate hypokalemia, a potential side effect of furosemide. Monitoring and reporting these symptoms promptly can help in preventing complications related to electrolyte imbalances. Choice A is incorrect because furosemide should be taken on an empty stomach. Choice B is not directly related to furosemide use; in fact, foods high in potassium may be beneficial for clients taking furosemide to prevent hypokalemia. Choice D is a common expected side effect of furosemide due to its diuretic action but is not as crucial to report as potential signs of electrolyte imbalances.
4. A client with a history of heart failure is admitted with a diagnosis of pulmonary edema. Which intervention should the LPN/LVN expect to assist with first?
- A. Administer a diuretic as prescribed.
- B. Place the client in a high Fowler's position.
- C. Prepare the client for intubation.
- D. Insert an indwelling urinary catheter.
Correct answer: B
Rationale: In a client with pulmonary edema, placing them in a high Fowler's position is the priority intervention. This position helps to improve ventilation and oxygenation by decreasing venous return, reducing the workload on the heart, and facilitating fluid redistribution from the lungs. It is crucial to optimize respiratory function and oxygenation before considering other interventions like administering medications, preparing for intubation, or inserting a urinary catheter. Administering a diuretic, preparing for intubation, or inserting a urinary catheter may be necessary but should follow the priority of improving oxygenation through positioning.
5. A client has been taking levothyroxine for 6 months. Which of the following findings indicates that the medication is effective?
- A. Weight gain
- B. Increased heart rate
- C. Decreased TSH levels
- D. Elevated blood pressure
Correct answer: C
Rationale: In a client taking levothyroxine for thyroid hormone replacement, decreased TSH levels indicate that the medication is effective. TSH levels decrease as the thyroid hormone levels are adequately replaced by levothyroxine, signaling a positive response to treatment. Choices A, B, and D are incorrect because weight gain, increased heart rate, and elevated blood pressure are not expected findings indicating the effectiveness of levothyroxine therapy. Weight gain may suggest inadequate dosing, while increased heart rate and elevated blood pressure could indicate over-replacement or side effects of the medication.
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