HESI LPN
HESI Fundamental Practice Exam
1. The healthcare professional is preparing to administer potassium chloride intravenously to a client with hypokalemia. Which action is most important?
- A. Monitor the client's respiratory rate
- B. Check the client's urine output
- C. Administer the potassium chloride as a rapid IV push
- D. Dilute the potassium chloride in an appropriate IV solution
Correct answer: D
Rationale: The correct answer is to dilute the potassium chloride in an appropriate IV solution. Potassium chloride should never be administered as a rapid IV push as it can lead to severe complications, including cardiac arrhythmias. Diluting the medication and administering it slowly helps reduce the risk of adverse effects. Monitoring the client's respiratory rate (Choice A) and checking urine output (Choice B) are important aspects of patient assessment but not the most crucial when administering potassium chloride. Administering potassium chloride as a rapid IV push (Choice C) is dangerous and can result in serious harm to the client.
2. A client with a history of hypertension is prescribed a diuretic. Which of the following laboratory values should the nurse monitor to evaluate the effectiveness of the medication?
- A. Monitor serum calcium levels.
- B. Monitor serum potassium levels.
- C. Monitor serum sodium levels.
- D. Monitor serum magnesium levels.
Correct answer: B
Rationale: The correct answer is to monitor serum potassium levels. When a client is prescribed a diuretic, monitoring serum potassium levels is essential to evaluate the medication's effectiveness and to detect potential electrolyte imbalances. Diuretics can cause potassium loss, leading to hypokalemia, which can have serious consequences such as cardiac arrhythmias. Monitoring serum calcium levels (Choice A) is not typically required when assessing the effectiveness of diuretics. Similarly, monitoring serum sodium levels (Choice C) is important for other conditions but is not the primary concern when evaluating diuretic therapy. Monitoring serum magnesium levels (Choice D) is also important, but potassium levels are more critical in assessing diuretic effectiveness and preventing complications.
3. The nurse is caring for a client with hyperthyroidism. Which finding should the nurse expect to observe in this client?
- A. Weight loss
- B. Cold intolerance
- C. Bradycardia
- D. Dry skin
Correct answer: A
Rationale: Weight loss is a common finding in clients with hyperthyroidism due to increased metabolic activity. Hyperthyroidism leads to an overactive thyroid gland, which results in an increased metabolic rate and often leads to weight loss despite a normal or increased appetite. Cold intolerance (Choice B) is more commonly associated with hypothyroidism, where the body's processes slow down. Bradycardia (Choice C) is a slow heart rate, which is not typically seen in hyperthyroidism; rather, tachycardia or an increased heart rate is more common. Dry skin (Choice D) is also not a typical finding in hyperthyroidism, as the skin is more likely to be warm and moist due to increased metabolic activity.
4. A client is still experiencing mild back pain after receiving analgesia 1 hour ago. Which of the following nonpharmacological pain management techniques should the nurse include in the plan?
- A. Encourage the client to apply a heating pad for 2 hours at a time
- B. Apply an ice pack to the client’s back for 1 hour
- C. Remove distractions from the client’s room
- D. Instruct the client to take deep, rhythmic breaths
Correct answer: D
Rationale: In this scenario, the nurse should instruct the client to take deep, rhythmic breaths as a nonpharmacological pain management technique. Deep, rhythmic breathing helps with relaxation and pain management, potentially reducing the perception of pain. Encouraging the client to apply a heating pad for 2 hours at a time (Choice A) is not recommended as prolonged heat application can lead to tissue damage and is not suitable for mild back pain. Applying an ice pack for 1 hour (Choice B) may not be appropriate for mild back pain as cold therapy is more commonly used for acute injuries. Removing distractions from the client’s room (Choice C) may help create a more calming environment, but it does not directly address the client's pain.
5. When performing cardiac chest compressions, what is a critical concept that the nurse must understand?
- A. Push hard and deep on the chest
- B. Compress the chest at a rapid rate
- C. Perform compressions with minimal interruptions
- D. Use a two-handed technique for compressions
Correct answer: A
Rationale: The correct answer is to 'Push hard and deep on the chest.' Effective chest compressions during CPR should be forceful and deep enough to adequately circulate blood to vital organs. This helps maintain perfusion and increases the likelihood of a successful outcome. Compressing the chest at a rapid rate (choice B) is important but not as critical as ensuring the compressions are hard and deep. Performing compressions with minimal interruptions (choice C) is also crucial to maintain blood flow. Using a two-handed technique for compressions (choice D) may be helpful but is not as critical as the depth and force of the compressions.
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