HESI LPN
HESI Practice Test for Fundamentals
1. The nurse is caring for a client with cirrhosis of the liver. Which finding should the LPN/LVN report to the healthcare provider immediately?
- A. Yellowing of the skin and eyes
- B. Dark-colored urine
- C. Abdominal distention
- D. Confusion
Correct answer: A
Rationale: Yellowing of the skin and eyes (jaundice) is a classic sign of liver dysfunction in clients with cirrhosis. Jaundice indicates the accumulation of bilirubin in the body due to impaired liver function. This finding suggests worsening liver damage and should be reported immediately to the healthcare provider for prompt evaluation and management. Dark-colored urine (choice B) is also a concerning symptom in liver disease, indicating possible bilirubin presence, but it is not as urgent as jaundice. Abdominal distention (choice C) and confusion (choice D) are common in cirrhosis but do not indicate an immediate need for healthcare provider notification compared to jajsondice.
2. Which serum blood finding in diabetic ketoacidosis alerts the nurse that immediate action is required?
- A. pH below 7.3
- B. Potassium of 5.0
- C. HCT of 60
- D. PaO2 of 79%
Correct answer: C
Rationale: A hematocrit (HCT) of 60 indicates severe dehydration, a critical condition in diabetic ketoacidosis that requires immediate intervention. Severe dehydration can lead to hypovolemic shock and organ failure. While a low pH below 7.3 is indicative of acidosis, it may not require immediate action compared to severe dehydration. A potassium level of 5.0 is within the normal range and not a critical finding in this scenario. PaO2 of 79% reflects oxygenation status, which is important but not the most critical finding requiring immediate action in diabetic ketoacidosis.
3. When teaching adult cardiopulmonary resuscitation (CPR) to a group of newly licensed nurses, what should the charge nurse instruct as the initial response in CPR?
- A. Confirm unresponsiveness
- B. Check for a pulse
- C. Begin chest compressions
- D. Call for emergency help
Correct answer: A
Rationale: The correct initial response in CPR is to confirm unresponsiveness. This step is crucial to ensure that the person actually needs CPR before proceeding with further actions. Checking for unresponsiveness is essential to determine if the individual is in need of immediate assistance. Checking for a pulse or beginning chest compressions without confirming unresponsiveness could waste valuable time and potentially harm the individual. Calling for emergency help is important, but it should follow the confirmation of unresponsiveness to ensure timely activation of emergency services.
4. What intervention should be implemented by the LPN to reduce the risk of aspiration in a client with a nasogastric tube receiving continuous enteral feedings?
- A. Elevate the head of the bed to 30-45 degrees.
- B. Check residual volumes every 4 hours.
- C. Verify tube placement every shift.
- D. Flush the tube with water every 4 hours.
Correct answer: A
Rationale: Elevating the head of the bed to 30-45 degrees is crucial in reducing the risk of aspiration because it helps keep the gastric contents lower than the esophagus, thereby promoting proper digestion and preventing reflux. This position also aids in reducing the likelihood of regurgitation and aspiration of gastric contents. Checking residual volumes every 4 hours is important for monitoring feeding tolerance but does not directly address the risk of aspiration. Verifying tube placement every shift is essential for ensuring the tube is correctly positioned within the gastrointestinal tract but does not directly reduce the risk of aspiration. Flushing the tube with water every 4 hours may help maintain tube patency and prevent clogging, but it does not specifically address the risk of aspiration associated with nasogastric tube feedings.
5. A client is to receive cimetidine (Tagamet) 300 mg q6h IVP. The preparation arrives from the pharmacy diluted in 50 ml of 0.9% NaCl. The LPN plans to administer the IVPB dose over 20 minutes. For how many ml/hr should the infusion pump be set to deliver the secondary infusion?
- A. 150
- B. 50
- C. 100
- D. 75
Correct answer: A
Rationale: Setting the infusion pump to 150 ml/hr ensures the correct administration rate of the IVPB dose over 20 minutes. To calculate the infusion rate, consider that the total volume to be infused is 50 ml over 20 minutes. To convert this to ml/hr, the calculation is (50 ml / 20 minutes) x 60 minutes/hr = 150 ml/hr. Choices B, C, and D are incorrect as they do not reflect the correct calculation for the infusion rate needed to deliver the secondary infusion over the specified time.
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