HESI LPN
HESI Fundamental Practice Exam
1. When orienting a newly licensed nurse on taking a telephone prescription, which statement indicates understanding of the process?
- A. A second nurse enters the prescription into the client’s medical record.
- B. Another nurse should listen to the phone call.
- C. The provider can clarify the prescription when they sign the health record.
- D. I should omit the 'read back' if this is a one-time prescription.
Correct answer: A
Rationale: The correct answer is A because a second nurse should verify and enter the prescription into the client’s medical record to ensure accuracy. This step is crucial to prevent errors in transcription and administration. Choice B is incorrect as having another nurse listen to the phone call does not ensure accurate transcription. Choice C is incorrect because the provider clarifying the prescription upon signing the health record does not replace the need for proper documentation. Choice D is incorrect because the 'read back' process is essential for all telephone prescriptions to confirm accuracy and prevent errors in transcription or administration.
2. A healthcare professional is administering 1 L of 0.9% sodium chloride to a client who is postoperative and has fluid-volume deficit. Which of the following changes should the healthcare professional identify as an indication that the treatment was successful?
- A. Increase in hematocrit
- B. Increase in respiratory rate
- C. Decrease in heart rate
- D. Decrease in capillary refill time
Correct answer: C
Rationale: Fluid-volume deficit causes tachycardia. With correction of the imbalance, the heart rate should return to the expected range. An increase in hematocrit (Choice A) would indicate hemoconcentration, not a successful fluid replacement. An increase in respiratory rate (Choice B) could indicate respiratory distress or hypoxia, not improvement in fluid volume status. A decrease in capillary refill time (Choice D) may indicate improved peripheral perfusion but is not a direct indicator of fluid replacement success.
3. A healthcare professional is reviewing a client's fluid and electrolyte status. Which of the following findings should the healthcare professional report to the provider?
- A. BUN 15 mg/dL
- B. Creatinine 0.8 mg/dL
- C. Sodium 143 mEq/L
- D. Potassium 5.4 mEq/L
Correct answer: D
Rationale: The correct answer is D. A potassium level of 5.4 mEq/L is above the expected reference range, indicating hyperkalemia. Hyperkalemia can lead to serious complications such as dysrhythmias, making it important for the healthcare professional to report this finding to the provider for further evaluation and intervention. Choices A, B, and C fall within normal ranges and do not pose an immediate risk to the client's health, so they would not warrant immediate reporting to the provider. Elevated BUN or creatinine levels may indicate kidney dysfunction, while a sodium level of 143 mEq/L falls within the normal range for adults and does not typically require urgent intervention.
4. A client is in the radiology department at 0900 when the prescription levofloxacin (Levaquin) 500 mg IV q24h is scheduled to be administered. The client returns to the unit at 1300. What is the best intervention for the LPN/LVN to implement?
- A. Contact the healthcare provider and complete a medication variance form.
- B. Administer the Levaquin at 1300 and resume the 0900 schedule the next morning.
- C. Notify the charge nurse and complete an incident report to explain the missed dose.
- D. Give the missed dose at 1300 and change the schedule to administer daily at 1300.
Correct answer: D
Rationale: The correct intervention is to give the missed dose at 1300 and adjust the schedule to administer daily at 1300. This approach ensures that the client receives the correct total daily dose of levofloxacin. Choice A is incorrect because contacting the healthcare provider and completing a medication variance form would not address the immediate need to administer the missed dose. Choice B is incorrect as administering the missed dose at 1300 and resuming the 0900 schedule the next morning would result in a missed dose for that day. Choice C is not the best course of action as notifying the charge nurse and completing an incident report should come after addressing the immediate need to administer the missed dose and adjusting the schedule for future doses.
5. A client with chronic kidney disease is being assessed. Which laboratory value would be most concerning?
- A. Serum creatinine of 3.0 mg/dL
- B. Blood urea nitrogen (BUN) of 45 mg/dL
- C. Serum potassium of 6.5 mEq/L
- D. Hemoglobin of 10 g/dL
Correct answer: C
Rationale: In a client with chronic kidney disease, an elevated serum potassium level (hyperkalemia) is the most concerning finding. Hyperkalemia can lead to life-threatening cardiac dysrhythmias due to its effect on the electrical conduction system of the heart. Monitoring and managing serum potassium levels are crucial in patients with chronic kidney disease to prevent serious complications. While elevated serum creatinine (Choice A) and Blood Urea Nitrogen (BUN) levels (Choice B) indicate impaired kidney function, hyperkalemia poses an immediate risk of cardiac complications. Hemoglobin levels (Choice D) are typically lower in chronic kidney disease due to decreased erythropoietin production, but they do not present an immediate life-threatening risk like hyperkalemia.
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