HESI LPN
HESI Practice Test for Fundamentals
1. A client with congestive heart failure (CHF) is receiving furosemide (Lasix). Which laboratory value should the LPN monitor closely while the client is taking this medication?
- A. Sodium
- B. Potassium
- C. Calcium
- D. Magnesium
Correct answer: B
Rationale: The LPN should monitor potassium levels closely while the client is taking furosemide (Lasix) due to the medication's potential to cause hypokalemia. Furosemide is a loop diuretic that can lead to potassium loss through increased urine output. Hypokalemia can result in serious complications such as cardiac dysrhythmias. Monitoring sodium levels (choice A) is important but not as critical as monitoring potassium in this context. Calcium (choice C) and magnesium (choice D) levels are not typically affected by furosemide and are not the priority for monitoring in this scenario.
2. A client admitted with abdominal pain tells the nurse that her father died recently, and she begins crying while talking about him. The nurse determines that the client’s temperature is 39.2°C (102.6°F), her abdomen is soft without tenderness, and her menses are overdue by 2 days. To which observation should the nurse give priority attention?
- A. The client’s temperature
- B. The client’s menses are overdue
- C. The client’s crying
- D. The client’s soft abdomen
Correct answer: B
Rationale: The correct answer is B. An overdue menses might indicate a potential cause of abdominal pain, especially in the context of recent emotional stress. While the client's temperature, crying, and soft abdomen are important observations, the priority should be given to the overdue menses as it could provide crucial information related to the abdominal pain and the client's overall health status. The emotional distress may have a secondary impact on the physical symptoms, making the menstrual status a critical observation to address first.
3. A 73-year-old female client had a hemiarthroplasty of the left hip yesterday due to a fracture resulting from a fall. In reviewing hip precautions with the client, which instruction should the LPN/LVN include in this client's teaching plan?
- A. You will be able to bend at the waist to reach items on the floor in 8 weeks.
- B. Place a pillow between your knees while lying in bed to prevent hip dislocation.
- C. It is safe to use a walker to get out of bed, but you need assistance when walking.
- D. Take pain medication 30 minutes after your physical therapy sessions.
Correct answer: B
Rationale: The correct instruction to include in the teaching plan for a client who had a hemiarthroplasty of the left hip is to 'Place a pillow between your knees while lying in bed to prevent hip dislocation.' This technique helps maintain proper hip alignment and prevents dislocation during the postoperative recovery period. Choice A is incorrect because bending at the waist to reach items on the floor can strain the hip joint and is not recommended following hip surgery. Choice C is incorrect because using a walker alone without assistance can increase the risk of falls and injury, especially in the immediate postoperative period. Choice D is incorrect because pain medication should be taken as prescribed by the healthcare provider, not specifically timed after physical therapy sessions.
4. After performing foot care, the nurse checks the medical record and discovers that the patient has a disorder on the sole of the foot caused by a virus. Which condition did the nurse most likely observe?
- A. Corns
- B. A callus
- C. Plantar warts
- D. Athlete's foot
Correct answer: C
Rationale: The nurse most likely observed plantar warts, which appear on the sole of the foot and are caused by the papillomavirus. Corns (Choice A) and calluses (Choice B) are areas of thickened skin caused by pressure or friction and are not typically associated with viruses. Athlete's foot (Choice D) is a fungal infection that usually affects the skin between the toes and is not caused by a virus like plantar warts.
5. A client is to receive 10 mEq of KCl diluted in 250 ml of normal saline over 4 hours. At what rate should the LPN/LVN set the client's intravenous infusion pump?
- A. 13 ml/hour
- B. 63 ml/hour
- C. 80 ml/hour
- D. 125 ml/hour
Correct answer: B
Rationale: To calculate the correct rate of infusion, divide the total volume by the total time: 250 ml / 4 hours = 62.5 ml/hour, which is rounded up to 63 ml/hour. This rate ensures the proper administration of the KCl over the 4-hour period. Choice A (13 ml/hour) is incorrect as it does not match the calculated rate. Choices C (80 ml/hour) and D (125 ml/hour) are also incorrect as they do not correspond to the calculated rate needed for the specified time frame.
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