HESI LPN
HESI Practice Test for Fundamentals
1. A nurse is preparing to check a client's blood pressure. Which of the following actions should the nurse take?
- A. Apply the cuff above the client's antecubital fossa.
- B. Use a cuff with a width that is about 60% of the client's arm circumference.
- C. Have the client sit with their arm resting at the level of their heart.
- D. Release the pressure on the client's arm at a rate of 5 to 6 mm per second.
Correct answer: A
Rationale: The correct action when checking a client's blood pressure is to apply the cuff above the client's antecubital fossa. Placing the cuff above this area allows for an accurate measurement of blood pressure. Choice B is incorrect because the cuff width should be approximately 40% of the arm circumference, not 60%. Choice C is incorrect as the client's arm should rest at heart level, not above it, to ensure an accurate reading. Choice D is incorrect as the pressure on the client's arm should be released at a rate of 2 to 3 mm per second, not 5 to 6 mm per second.
2. A client asks a nurse about their Snellen eye test results. The client's visual acuity is 20/30. Which of the following responses should the nurse make?
- A. “Your eyes see at 20 feet what visually unimpaired eyes see at 30 feet.”
- B. “Your right eye can see the chart clearly at 20 feet, and your left eye can see the chart clearly at 30 feet.”
- C. “Your eyes see at 30 feet what visually unimpaired eyes see at 20 feet.”
- D. “Your left eye can see the chart clearly at 20 feet, and your right eye can see the chart clearly at 30 feet.”
Correct answer: A
Rationale: The correct answer is A: 'Your eyes see at 20 feet what visually unimpaired eyes see at 30 feet.' In the Snellen eye test, a visual acuity of 20/30 means that the client sees at 20 feet what a person with normal vision sees at 30 feet. This indicates that the client's vision is slightly worse than average. Choice B is incorrect as it incorrectly describes the visual acuity of each eye individually, rather than the combined visual acuity. Choice C is incorrect as it misinterprets the meaning of the Snellen eye test results by reversing the values. Choice D is incorrect as it inaccurately describes the visual acuity of the client's eyes, attributing different visual acuities to each eye instead of a combined measurement as indicated by 20/30.
3. A client has pharyngeal diphtheria. What transmission precautions are necessary?
- A. Droplet
- B. Contact
- C. Airborne
- D. Standard
Correct answer: A
Rationale: Pharyngeal diphtheria is primarily spread through droplet transmission, which occurs when an infected person coughs, sneezes, or talks, releasing respiratory droplets containing the bacteria. Therefore, the correct precaution for caring for a client with pharyngeal diphtheria is droplet precautions. Droplet precautions help prevent the transmission of respiratory pathogens over short distances via respiratory droplets. Contact precautions are used for diseases spread through direct or indirect contact with the patient or their environment. Airborne precautions are used for diseases that spread through small droplets suspended in the air. Standard precautions are basic infection prevention practices applying to all patient care.
4. A healthcare professional is admitting a client who has decreased circulation in his left leg. Which of the following actions should the healthcare professional take first?
- A. Evaluate pedal pulses
- B. Assess skin temperature
- C. Check for capillary refill
- D. Measure the leg circumference
Correct answer: A
Rationale: Evaluating pedal pulses should be the first action taken as it provides immediate information about circulation. This assessment helps in determining the adequacy of blood flow in the client's leg. Assessing skin temperature, checking for capillary refill, and measuring leg circumference are important assessments; however, evaluating pedal pulses is the most crucial initial step in this scenario. Skin temperature assessment and capillary refill check can provide additional valuable information about perfusion, while measuring leg circumference is useful in monitoring for edema. Therefore, for a client with decreased circulation in the left leg, evaluating pedal pulses takes precedence over the other assessments.
5. A cerebrovascular accident patient is placed on a ventilator. The client’s daughter arrives with a durable power of attorney and a living will that indicates no extraordinary life-saving measures. What action should the nurse take?
- A. Refer to the risk manager
- B. Notify the healthcare provider
- C. Discontinue the ventilator
- D. Review the medical record
Correct answer: B
Rationale: The correct action for the nurse to take is to notify the healthcare provider. In this situation, involving the healthcare provider ensures appropriate review and adherence to legal and ethical standards based on the living will and durable power of attorney. Referring to the risk manager may not be directly related to the immediate decision-making process regarding the ventilator. Discontinuing the ventilator without proper authorization from the healthcare provider could lead to legal and ethical implications. Reviewing the medical record alone may not provide guidance on how to proceed with the specific instructions from the living will and durable power of attorney.
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