the lpn prepares a 1000 ml iv of 5 dextrose and water to be infused over 8 hours the infusion set delivers 10 drops per milliliter the nurse should re
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HESI LPN

HESI Fundamentals Exam

1. The healthcare professional prepares a 1,000 ml IV of 5% dextrose and water to be infused over 8 hours. The infusion set delivers 10 drops per milliliter. The healthcare professional should regulate the IV to administer approximately how many drops per minute?

Correct answer: C

Rationale: To calculate the drops per minute for the IV infusion, first determine the total drops to be infused over 8 hours. 1,000 ml to be infused over 8 hours means 125 ml per hour (1000 ml / 8 hours = 125 ml/hr). Since the infusion set delivers 10 drops per ml, 125 ml/hr x 10 drops/ml = 1250 drops/hr. To find drops per minute, divide the drops per hour by 60 (minutes in an hour): 1250 drops/hr / 60 minutes = 20.83 drops/minute, which rounds up to 21 drops per minute (Option C). This rate ensures the correct infusion rate over 8 hours. Choices A, B, and D are incorrect calculations and do not provide the appropriate infusion rate needed to administer the IV over the specified time period.

2. The healthcare provider is caring for a client with a history of hypertension. Which assessment finding would be most concerning?

Correct answer: C

Rationale: Shortness of breath in a client with a history of hypertension is a critical assessment finding as it may indicate heart failure, pulmonary edema, or other severe complications. The development of shortness of breath suggests that the client's condition may be rapidly deteriorating and requires immediate medical attention. Elevated blood pressure (150/90 mmHg) is concerning but not as acute as the potential complications associated with shortness of breath. An irregular heart rate and headache can also be symptoms of hypertension, but in this scenario, shortness of breath poses a higher risk of severe cardiovascular or respiratory issues.

3. A child weighing 20 kg has a new prescription for cefoxitin at 80 mg/kg/day administered intravenously every 6 hours. How much cefoxitin should be administered with each dose?

Correct answer: A

Rationale: To determine the amount of cefoxitin to be administered with each dose, first, calculate the total daily dose by multiplying the child's weight (20 kg) by the prescribed dose (80 mg/kg/day): 80 mg/kg/day × 20 kg = 1600 mg/day. Since the medication is administered every 6 hours (4 doses/day), divide the total daily dose by the number of doses: 1600 mg / 4 = 400 mg. Therefore, each dose should be 400 mg. Choice B (200 mg) is incorrect because it is half the calculated dose. Choice C (1600 mg) is incorrect as it represents the total daily dose, not the dose per administration. Choice D (100 mg) is incorrect as it is a quarter of the calculated dose.

4. The nurse is caring for a client diagnosed with hypothyroidism. Which finding should the nurse expect to observe?

Correct answer: A

Rationale: The correct answer is weight gain. In hypothyroidism, there is a decrease in metabolic rate, which can lead to weight gain. Heat intolerance (choice B) is more commonly associated with hyperthyroidism. Increased appetite (choice C) and frequent diarrhea (choice D) are not typical findings in hypothyroidism. Therefore, choices B, C, and D are incorrect.

5. 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?

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.

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