HESI LPN
HESI Fundamentals Exam
1. A client with amphetamine toxicity and sensory overload is being cared for by a nurse. Which intervention should the nurse implement?
- A. Immediately conduct a thorough assessment.
- B. Encourage visitors to distract the client.
- C. Provide a private room and limit stimulation.
- D. Speak softly to the client.
Correct answer: C
Rationale: The most appropriate intervention for a client with amphetamine toxicity and sensory overload is to provide a private room and limit stimulation. This approach helps reduce external stimuli, which can exacerbate sensory overload, and creates a calming environment for the client. Encouraging visitors to distract the client may worsen sensory overload by adding more stimulation. Speaking softly, rather than at a higher volume, is more suitable to help maintain a calm environment. Therefore, the correct choice is to provide a private room and limit stimulation (option C) in this scenario.
2. When developing a plan of care for a client with dementia, what should the LPN/LVN remember about confusion in the elderly?
- A. It is not a normal part of aging.
- B. It often follows relocation to new surroundings.
- C. It is primarily due to changes in the brain associated with the disease.
- D. It cannot be prevented or cured by adequate sleep alone.
Correct answer: B
Rationale: When caring for a client with dementia, it is crucial to understand that confusion often arises after relocating to new surroundings. This change can disrupt familiar routines and trigger increased disorientation and confusion. Choice A is correct because confusion in the elderly is not a normal part of aging. Choice C is incorrect because confusion in dementia is primarily due to changes in the brain associated with the disease, not just irreversible brain pathology. Choice D is incorrect because while adequate sleep is important for overall health, it alone cannot prevent or cure confusion associated with dementia.
3. The healthcare provider is providing postoperative care to a client who had a submucosal resection (SMR) for a deviated septum. The healthcare provider should monitor for what complication associated with this type of surgery?
- A. Occipital headache
- B. Periorbital crepitus
- C. Expectoration of blood
- D. Changes in vocalization
Correct answer: C
Rationale: Expectoration of blood is a potential complication following SMR surgery, as it may indicate bleeding postoperatively. In contrast, occipital headache (choice A) is not a common complication associated with SMR surgery. Periorbital crepitus (choice B) is more related to facial fractures or certain infections rather than SMR surgery. Changes in vocalization (choice D) are not typically associated with complications following SMR surgery.
4. 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?
- A. 80
- B. 8
- C. 21
- D. 25
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.
5. A client with a diagnosis of myocardial infarction (MI) is being treated. Which laboratory value would be most concerning?
- A. Troponin level of 0.5 ng/mL
- B. Creatine kinase-MB (CK-MB) of 5.0 ng/mL
- C. Serum potassium of 4.5 mEq/L
- D. Blood glucose of 180 mg/dL
Correct answer: A
Rationale: A troponin level of 0.5 ng/mL is elevated, indicating myocardial damage, making it the most concerning finding in a client with a myocardial infarction (MI). Troponin is a highly specific marker for cardiac muscle damage, and elevated levels suggest ongoing injury to the heart muscle. While Creatine kinase-MB (CK-MB) is also a cardiac enzyme, troponin is more specific and sensitive for myocardial damage. Serum potassium and blood glucose levels are important parameters to monitor in MI patients, but in this scenario, the elevated troponin level takes precedence as it directly reflects cardiac injury.
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