HESI RN
HESI Fundamentals Practice Exam
1. How many drops per minute should a client weighing 182 pounds receive if a nurse mixes 50 mg of Nipride in 250 ml of D5W and plans to administer the solution at a rate of 5 mcg/kg/min? The drip factor is 60 gtt/ml.
- A. 31 gtt/min.
- B. 62 gtt/min.
- C. 93 gtt/min.
- D. 124 gtt/min.
Correct answer: D
Rationale: To determine the drops per minute for the client, first convert the client's weight from pounds to kilograms: 182/2.2 = 82.73 kg. Calculate the dosage by multiplying 5 mcg by the client's weight in kg: 5 mcg/kg/min × 82.73 kg = 413.65 mcg/min. Find the concentration of the solution in mcg/ml by dividing 250 ml by 50,000 mcg (50 mg): 250 ml/50,000 mcg = 200 mcg/ml. As the client needs 413.65 mcg/min and the solution is 200 mcg/ml, the client should receive 2.07 ml per minute. Finally, using the drip factor of 60 gtt/ml, multiply the ml per minute by the drip factor: 60 gtt/ml × 2.07 ml/min = 124.28 gtt/min, which rounds to 124 gtt/min. Therefore, the client should receive 124 drops per minute. Choice D is the correct answer. Choices A, B, and C are incorrect because they do not reflect the accurate calculation based on the client's weight, dosage, concentration of the solution, and drip factor.
2. The healthcare provider obtains a BP reading of 100/88 in the right arm of a client whose blood pressure is typically 120/60 in the same arm. What action should the healthcare provider implement first?
- A. Use an electronic sphygmomanometer to take the BP every 30 minutes.
- B. Retake the blood pressure in the same arm, deflating the cuff slowly.
- C. Ask another healthcare provider to recheck the blood pressure to compare results.
- D. Obtain another blood pressure cuff and retake the blood pressure.
Correct answer: B
Rationale: The healthcare provider should first retake the blood pressure in the right arm, deflating the cuff slowly, because a low systolic and high diastolic blood pressure measurement is often the result of deflating the cuff too rapidly. Taking the BP in the same arm ensures consistency and accuracy of the measurement.
3. The healthcare provider receives a report that a client with an indwelling urinary catheter has an output of 150 mL for the previous 6-hour shift. Which intervention should the healthcare provider implement first?
- A. Check the drainage tubing for a kink
- B. Review the intake and output record
- C. Notify the healthcare provider
- D. Give the client 8 oz of water to drink
Correct answer: A
Rationale: The first intervention should be to check the drainage tubing for a kink. This step is crucial as any kinks in the tubing could obstruct urine flow, leading to a decreased output. By ensuring the tubing is free from any obstructions, the healthcare provider can address a potential mechanical issue causing the low output before considering other interventions. Reviewing the intake and output record may provide valuable information but should come after ensuring the tubing is clear. Notifying the healthcare provider can be done later if needed, but the immediate concern is to check for any obstructions. Giving the client water to drink may be necessary depending on the assessment findings, but addressing a possible kink in the tubing takes precedence.
4. The client is being taught how to self-administer a subcutaneous injection. To ensure sterility of the procedure, which subject is most important for the instructor to include in the teaching plan?
- A. Hand washing before preparing the injection.
- B. Technique for drawing medication from a vial.
- C. Selection and rotation of injection sites.
- D. Proper disposal of injection equipment.
Correct answer: B
Rationale: To maintain the sterility of the procedure, it is crucial to teach the client the correct technique for drawing medication from a vial. This ensures that the medication remains sterile during preparation and administration. While hand washing, injection site selection, and equipment disposal are important aspects of injection safety, the key focus should be on maintaining the sterility of the medication itself to prevent infections and ensure the effectiveness of the treatment.
5. UAP has lowered the head of the bed to change the linens for a client who is bedbound with a foley catheter and enteral tube feeds. Which change from the client warrants the most immediate intervention by the nurse?
- A. A feeding is infusing at 40 mL/hr through an enteral feeding tube
- B. The urine meter attached to the urinary drainage bag is completely full
- C. There is a large dependent loop in the client’s urinary drainage tubing
- D. Purulent drainage is present around the insertion site of the feeding tube
Correct answer: D
Rationale: Purulent drainage indicates infection at the insertion site, which requires immediate attention to prevent complications.
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