ATI LPN
LPN Pharmacology Practice Questions
1. The client with heart failure is prescribed furosemide (Lasix). Which electrolyte imbalance is the nurse most likely to monitor for?
- A. Hyperkalemia
- B. Hypernatremia
- C. Hypokalemia
- D. Hyponatremia
Correct answer: C
Rationale: The correct answer is C: Hypokalemia. Furosemide, a loop diuretic, commonly causes potassium loss, leading to hypokalemia. The nurse should closely monitor for decreased potassium levels in a client receiving furosemide to prevent complications such as cardiac arrhythmias or muscle weakness. Hyperkalemia (Choice A) is not typically associated with furosemide use. Hypernatremia (Choice B) refers to high sodium levels and is not the primary concern with furosemide. Hyponatremia (Choice D) is low sodium levels, which can occur but is less common than hypokalemia in clients taking furosemide.
2. The healthcare provider is preparing to administer a beta blocker to a client with hypertension. What parameter should be checked before administering the medication?
- A. Serum potassium level
- B. Apical pulse
- C. Oxygen saturation
- D. Pupil reaction to light
Correct answer: B
Rationale: Before administering a beta blocker, it is crucial to check the apical pulse. Beta blockers have the potential to slow down the heart rate, making it essential to assess the pulse rate to ensure it is within the safe range before giving the medication. Checking the serum potassium level (choice A) is important when administering certain medications, but it is not specifically required before giving a beta blocker. Oxygen saturation (choice C) and pupil reaction to light (choice D) are not directly related to monitoring parameters for beta blocker administration.
3. A client is scheduled for a coronary artery bypass graft (CABG) surgery. The nurse should prepare the client by reinforcing information about which post-operative care measure?
- A. You will be on bed rest for the first 48 hours after surgery.
- B. You will be encouraged to cough and deep breathe frequently.
- C. You will be discharged within 24 hours if no complications arise.
- D. You will not be able to eat or drink for 24 hours after surgery.
Correct answer: B
Rationale: Encouraging the client to cough and deep breathe frequently is essential post-operative care to prevent respiratory complications such as atelectasis and pneumonia after CABG surgery. Choices A, C, and D are incorrect because post-CABG surgery, early mobilization is encouraged to prevent complications such as deep vein thrombosis (DVT) and pneumonia. Discharge within 24 hours is unlikely after CABG surgery, and early oral intake is encouraged to promote recovery and prevent complications.
4. The healthcare professional is caring for a client who has just returned from a cardiac catheterization. The healthcare professional should prioritize which assessment?
- A. Monitoring the client's vital signs every 4 hours
- B. Assessing the puncture site for bleeding
- C. Encouraging the client to ambulate early to prevent complications
- D. Providing the client with fluids to flush out the contrast dye
Correct answer: B
Rationale: Assessing the puncture site for bleeding is a critical assessment after a cardiac catheterization procedure. This is essential to detect and address any potential complications promptly, such as hemorrhage or hematoma formation. Monitoring vital signs, encouraging early ambulation, and providing fluids to flush out contrast dye are important aspects of post-cardiac catheterization care, but assessing the puncture site for bleeding takes precedence due to the immediate risk of complications such as severe bleeding that require immediate intervention.
5. A healthcare professional is assessing a client who has a new prescription for furosemide. Which of the following findings should the healthcare professional report to the provider?
- A. Weight gain
- B. Dry cough
- C. Hypokalemia
- D. Increased appetite
Correct answer: C
Rationale: The correct answer is C: Hypokalemia. Hypokalemia is a common electrolyte imbalance associated with furosemide use due to its diuretic effect, which can lead to potassium loss. It is crucial to report hypokalemia promptly to the provider as it can result in serious complications such as cardiac arrhythmias. Monitoring and managing potassium levels are essential in patients taking furosemide to prevent adverse effects related to electrolyte imbalances. Choices A, B, and D are incorrect findings to report in a client prescribed furosemide. Weight gain is not typically associated with furosemide use, a dry cough is more commonly linked to ACE inhibitors, and increased appetite is not a common adverse effect of furosemide.
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