HESI LPN
HESI Practice Test for Fundamentals
1. A nurse observes an assistive personnel (AP) preparing to obtain blood pressure with a regular size cuff for a client who is obese. Which of the following explanations should the nurse give the AP?
- A. Using a cuff that is too small will result in an inaccurately high reading.
- B. Using a cuff that is too large will result in an inaccurately low reading.
- C. The regular size cuff is appropriate for all clients.
- D. You should use a cuff of any size as long as it fits.
Correct answer: A
Rationale: The correct answer is A: 'Using a cuff that is too small will result in an inaccurately high reading.' When obtaining blood pressure for an obese client, it is crucial to use a larger cuff to ensure an accurate reading. Choice B is incorrect because using a cuff that is too large for an obese client would actually result in an inaccurately low reading. Choice C is incorrect as a regular size cuff is not appropriate for obese clients due to their larger arm circumference. Choice D is incorrect because using a cuff of any size as long as it fits is not suitable for obtaining accurate blood pressure readings on an obese client.
2. A client is receiving total parenteral nutrition (TPN). The nurse should monitor the client for which complication?
- A. Hypoglycemia
- B. Hyperglycemia
- C. Hypertension
- D. Hyperkalemia
Correct answer: B
Rationale: Hyperglycemia is the correct complication to monitor for in a client receiving total parenteral nutrition (TPN) due to the high glucose content of the solution. TPN solutions are rich in glucose, so monitoring blood glucose levels is crucial to prevent hyperglycemia. Hypoglycemia (Choice A) is less common with TPN due to the high glucose content, making hyperglycemia a more significant concern. Hypertension (Choice C) and hyperkalemia (Choice D) are not typically associated with TPN administration, making them incorrect choices in this scenario.
3. A client has a new prescription for a metered-dose inhaler. Which of the following instructions should the nurse include?
- A. Inhale quickly and deeply while pressing down on the inhaler.
- B. Hold your breath for 10 seconds after inhaling the medication.
- C. Exhale immediately after inhaling the medication.
- D. Shake the inhaler before each use.
Correct answer: B
Rationale: The correct instruction for using a metered-dose inhaler is to hold your breath for 10 seconds after inhaling the medication. This allows the medication to be absorbed more effectively in the lungs. Inhaling quickly and deeply while pressing down on the inhaler (Choice A) may cause the medication to deposit in the mouth and throat rather than reaching the lungs. Exhaling immediately after inhaling the medication (Choice C) may also lead to medication wastage. Shaking the inhaler before each use (Choice D) is not necessary for all types of inhalers and can sometimes cause improper drug delivery.
4. 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.
5. The healthcare professional is evaluating the body alignment of a patient in the sitting position. Which observation will indicate a normal finding?
- A. The edge of the seat is making contact with the popliteal space.
- B. Both feet are supported on the floor with ankles flexed.
- C. The body weight is solely on the buttocks.
- D. The arms hang comfortably at the sides.
Correct answer: B
Rationale: In a normal sitting position, both feet should be supported on the floor with the ankles comfortably flexed. This position helps in maintaining stability and proper alignment. Choice A is incorrect because the edge of the seat pressing against the popliteal space may cause discomfort and is not indicative of proper alignment. Choice C is incorrect as the body weight should be evenly distributed for proper alignment and comfort, not solely on the buttocks. Choice D is incorrect as the position of the arms alone does not indicate proper body alignment in the sitting position; proper arm positioning is important for comfort but not a key indicator of body alignment.
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