ATI LPN
Pharmacology for LPN
1. The client is receiving furosemide (Lasix) for heart failure. What potential side effect should the nurse monitor for?
- A. Hypokalemia
- B. Hyperkalemia
- C. Hypernatremia
- D. Hypoglycemia
Correct answer: A
Rationale: The correct answer is A: Hypokalemia. Furosemide, a loop diuretic, causes potassium loss, leading to hypokalemia. Monitoring potassium levels is crucial because hypokalemia can result in cardiac arrhythmias and muscle weakness. Choices B, C, and D are incorrect because furosemide does not typically cause hyperkalemia, hypernatremia, or hypoglycemia.
2. The healthcare professional is assessing a client who presents with jaundice. Which assessment finding is most important for the healthcare professional to follow up on?
- A. Urine specific gravity of 1.03
- B. Frothy, tea-colored urine
- C. Clay-colored stools
- D. Elevated serum amylase and lipase levels
Correct answer: D
Rationale: Elevated serum amylase and lipase levels are indicative of pancreatitis, a serious condition that can manifest with jaundice. Timely follow-up is crucial to manage pancreatitis and its complications effectively in a jaundiced client. Choices A, B, and C are less critical in this scenario. Urine specific gravity within normal range, frothy tea-colored urine, and clay-colored stools can be associated with various conditions but are not directly indicative of pancreatitis, which is the most concerning condition associated with jaundice.
3. The nurse is preparing to administer a scheduled dose of enalapril (Vasotec) to a client with hypertension. Before administering the medication, the nurse should check which priority assessment?
- A. Heart rate
- B. Blood pressure
- C. Respiratory rate
- D. Temperature
Correct answer: B
Rationale: Before administering enalapril, an antihypertensive medication, the nurse should prioritize checking the client's blood pressure. Monitoring blood pressure helps ensure it is at an acceptable level before giving the medication, as enalapril can further lower blood pressure. This assessment is crucial in preventing potential hypotensive episodes and adverse effects associated with excessive blood pressure reduction. Heart rate, respiratory rate, and temperature are important assessments but are not the priority before administering enalapril, which primarily affects blood pressure levels.
4. A hypertensive client who has been taking metoprolol (Lopressor) has been prescribed to decrease the dose of the medication. The client asks the nurse why this must be done over a period of 1 to 2 weeks. In formulating a response, the nurse incorporates the understanding that abrupt withdrawal could affect the client in which way?
- A. Result in hypoglycemia
- B. Give the client insomnia
- C. Precipitate rebound hypertension
- D. Cause enhanced side effects of other prescribed medications
Correct answer: C
Rationale: Abruptly stopping metoprolol can lead to rebound hypertension, causing a sudden increase in blood pressure due to the sudden withdrawal of the medication. Gradually tapering the dose helps the body adjust and reduces the risk of this adverse effect. Choices A, B, and D are incorrect. Stopping metoprolol suddenly is not known to result in hypoglycemia, insomnia, or enhanced side effects of other medications.
5. The nurse is caring for a client who has undergone a coronary artery bypass graft (CABG) surgery. Which action should the nurse take to prevent postoperative complications?
- A. Encourage the client to cough and deep breathe every 1 to 2 hours.
- B. Maintain the client in a supine position at all times.
- C. Keep the client on bed rest for the first 48 hours.
- D. Restrict the client's fluid intake to prevent overload.
Correct answer: A
Rationale: Encouraging the client to cough and deep breathe every 1 to 2 hours is crucial post-CABG surgery to prevent respiratory complications, such as atelectasis and pneumonia. These actions help to expand lung volume, clear secretions, and prevent the collapse of alveoli. Choices B, C, and D are incorrect because maintaining the client in a supine position at all times can lead to complications like decreased lung expansion, keeping the client on bed rest for the first 48 hours may increase the risk of thromboembolism, and restricting fluid intake postoperatively can lead to dehydration and electrolyte imbalances.
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