HESI LPN
HESI Fundamental Practice Exam
1. A nurse at an assisted living facility is preparing an in-service for residents about electrical safety. Which of the following instructions should the nurse include?
- A. Avoid taping electrical cords to the floor.
- B. Clean electrical equipment before disconnection.
- C. Cover exposed wires with tape before use.
- D. Disconnect electrical equipment by grasping the plug.
Correct answer: A
Rationale: The correct instruction for electrical safety is to avoid taping electrical cords to the floor. Taping cords can create tripping hazards, leading to falls and potential injuries. Choice B, cleaning electrical equipment before disconnection, is not directly related to electrical safety but rather to equipment maintenance. Choice C, covering exposed wires with tape before use, is incorrect as exposed wires should be properly insulated and repaired by a qualified professional. Choice D, disconnecting electrical equipment by grasping the plug, is unsafe and can lead to electrical shocks. It is always recommended to unplug devices by holding the plug itself, not by pulling the cord.
2. A client on a telemetry unit is being cared for by a nurse after a myocardial infarction. The client expresses, 'All this equipment is making me nervous.' Which of the following responses should the nurse make?
- A. 'All of this equipment can be frightening.'
- B. 'The equipment is necessary to monitor your condition.'
- C. 'You should try to ignore the equipment.'
- D. 'Try to relax; the equipment is not harmful.'
Correct answer: A
Rationale: Choice A is the most appropriate response as it acknowledges the client's feelings, showing empathy and understanding. It validates the client's experience, which can help reduce anxiety and build rapport. Choice B provides information but may not address the client's emotional needs. Choice C dismisses the client's concerns and does not offer support. Choice D minimizes the client's feelings and may not effectively address their anxiety.
3. When should discharge planning for a patient admitted to the neurological unit with a diagnosis of stroke begin?
- A. At the time of admission
- B. The day before the patient is to be discharged
- C. When outpatient therapy is no longer needed
- D. As soon as the patient's discharge destination is known
Correct answer: A
Rationale: Discharge planning for a patient admitted to the neurological unit with a stroke diagnosis should begin at the time of admission. Initiating discharge planning early allows for a comprehensive assessment of the patient's needs, enables better coordination of care, and ensures a smooth transition from the hospital to the next level of care. Option B is incorrect because waiting until the day before discharge does not provide enough time for adequate planning. Option C is incorrect because waiting until outpatient therapy is no longer needed delays the planning process. Option D is incorrect because waiting until the discharge destination is known may result in rushed planning and inadequate preparation for the patient's needs.
4. A charge nurse is observing a newly licensed nurse perform tracheostomy care for a client. Which of the following actions by the newly licensed nurse requires intervention?
- A. Obtaining cotton balls for the tracheostomy care
- B. Using a sterile water bottle
- C. Checking the suction equipment
- D. Wearing a sterile gown
Correct answer: A
Rationale: The correct answer is A. Obtaining cotton balls for tracheostomy care is not recommended due to the risk of fiber contamination. Sterile gauze should be used instead. Choice B, using a sterile water bottle, is a correct and appropriate action for tracheostomy care to maintain cleanliness. Choice C, checking the suction equipment, is also a necessary step to ensure it is functioning properly for the procedure. Choice D, wearing a sterile gown, is a standard precaution to maintain a sterile environment during tracheostomy care.
5. Which serum blood finding in diabetic ketoacidosis alerts the nurse that immediate action is required?
- A. pH below 7.3
- B. Potassium of 5.0
- C. HCT of 60
- D. PaO2 of 79%
Correct answer: C
Rationale: A hematocrit (HCT) of 60 indicates severe dehydration, a critical condition in diabetic ketoacidosis that requires immediate intervention. Severe dehydration can lead to hypovolemic shock and organ failure. While a low pH below 7.3 is indicative of acidosis, it may not require immediate action compared to severe dehydration. A potassium level of 5.0 is within the normal range and not a critical finding in this scenario. PaO2 of 79% reflects oxygenation status, which is important but not the most critical finding requiring immediate action in diabetic ketoacidosis.
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