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. While caring for a client who is postoperative and has refused to use an incentive spirometer following major abdominal surgery, what is the nurse's priority action?
- A. Request that a respiratory therapist discuss the technique for using the incentive spirometer
- B. Determine the reasons why the client is refusing to use the incentive spirometer
- C. Document the client's refusal to participate in health restorative activities
- D. Administer a pain medication to the client
Correct answer: B
Rationale: The nurse's priority is to determine the reasons why the client is refusing to use the incentive spirometer. By understanding the client's concerns or barriers, the nurse can address them appropriately. Requesting a respiratory therapist (Choice A) may be necessary later but is not the priority. Documenting the refusal (Choice C) is important but does not address the immediate need to assess and intervene. Administering pain medication (Choice D) without addressing the root cause of refusal is not appropriate and may mask the issue rather than resolve it.
3. A client with a history of congestive heart failure (CHF) is admitted with dyspnea and a productive cough. What is the most important assessment for the LPN/LVN to perform?
- A. Measure the client's urine output.
- B. Auscultate the client's lung sounds.
- C. Assess the client's apical pulse.
- D. Check the client's blood pressure.
Correct answer: B
Rationale: Auscultating lung sounds is crucial for assessing the extent of congestion in a client with CHF. The presence of crackles or wheezing can indicate fluid accumulation in the lungs, a common complication of CHF. Monitoring urine output (Choice A) is important to assess renal function but is not the priority in this situation. While assessing the apical pulse (Choice C) and checking blood pressure (Choice D) are important in managing CHF, they do not provide immediate information about the respiratory status and congestion level in the lungs, making auscultating lung sounds the most critical assessment.
4. A client who has just had a mastectomy has a closed wound suction device (hemovac) in place. Which nursing action will ensure proper operation of the device?
- A. Collapsing the device whenever it is 1/2 to 2/3 full of air.
- B. Emptying the device every 4 hours.
- C. Replacing the device every 24 hours.
- D. Keeping the device above the level of the surgical site.
Correct answer: A
Rationale: Collapsing the device when it is 1/2 to 2/3 full of air is the correct nursing action to ensure proper operation of a closed wound suction device (hemovac). This action maintains negative pressure, which is essential for proper suction and drainage of the wound. Emptying the device every 4 hours (Choice B) is not necessary as the focus should be on collapsing it appropriately. Replacing the device every 24 hours (Choice C) is not a standard practice unless indicated by the healthcare provider. Keeping the device above the level of the surgical site (Choice D) is not necessary for the device's proper operation; collapsing it to maintain negative pressure is the key action.
5. The nurse is preparing a handout on infant feeding to be distributed to families visiting the clinic. Which notation should be included in the teaching materials?
- A. Solid foods are introduced one at a time beginning with cereal.
- B. Finely ground meat should be avoided early to provide iron.
- C. Egg white is not recommended early to increase protein intake.
- D. Solid foods should not be mixed with formula in a bottle.
Correct answer: A
Rationale: The correct answer is A. Introducing solid foods one at a time, starting with cereal, is recommended to monitor for any food allergies or intolerances in infants. Choice B is incorrect as finely ground meat should be introduced later due to the risk of choking and is not necessary for iron intake. Choice C is incorrect as egg white should be avoided early due to the risk of allergies. Choice D is incorrect as solid foods should not be mixed with formula in a bottle to prevent overfeeding and promote healthy eating habits.
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