HESI LPN
HESI Fundamental Practice Exam
1. A client with chronic kidney disease is being assessed. Which laboratory value would be most concerning?
- A. Serum creatinine of 3.0 mg/dL
- B. Blood urea nitrogen (BUN) of 45 mg/dL
- C. Serum potassium of 6.5 mEq/L
- D. Hemoglobin of 10 g/dL
Correct answer: C
Rationale: In a client with chronic kidney disease, an elevated serum potassium level (hyperkalemia) is the most concerning finding. Hyperkalemia can lead to life-threatening cardiac dysrhythmias due to its effect on the electrical conduction system of the heart. Monitoring and managing serum potassium levels are crucial in patients with chronic kidney disease to prevent serious complications. While elevated serum creatinine (Choice A) and Blood Urea Nitrogen (BUN) levels (Choice B) indicate impaired kidney function, hyperkalemia poses an immediate risk of cardiac complications. Hemoglobin levels (Choice D) are typically lower in chronic kidney disease due to decreased erythropoietin production, but they do not present an immediate life-threatening risk like hyperkalemia.
2. A nurse is precepting a newly licensed nurse who is preparing to help a client perform tracheostomy care. The nurse should intervene if the equipment the preceptee gathered included:
- A. Cotton balls
- B. Sterile gloves
- C. A suction catheter
- D. Tracheostomy tubes
Correct answer: A
Rationale: The correct answer is A: Cotton balls. Cotton balls are not suitable for tracheostomy care due to the risk of lint and contamination. When performing tracheostomy care, sterile supplies such as sterile gloves, a suction catheter, and tracheostomy tubes are essential. Sterile gloves are needed to maintain asepsis, a suction catheter is necessary for airway clearance, and tracheostomy tubes are crucial for maintaining a patent airway. Cotton balls should be avoided to prevent introducing lint or fibers into the tracheostomy site, which can lead to infection or airway obstruction.
3. A healthcare provider is preparing to provide chest physiotherapy for a client who has left lower lobe atelectasis. Which of the following actions should the healthcare provider plan to take?
- A. Place the client in Trendelenburg's position.
- B. Position the client in an upright sitting position.
- C. Administer bronchodilators after the procedure.
- D. Perform chest percussion and vibration while the client is lying flat.
Correct answer: A
Rationale: Placing the client in Trendelenburg's position is the appropriate action when providing chest physiotherapy for a client with left lower lobe atelectasis. This position helps mobilize secretions from the lower lobes of the lungs, aiding in their clearance. Trendelenburg's position promotes drainage from the affected area. Positioning the client in an upright sitting position (Choice B) would not facilitate the drainage of secretions from the affected lobe. Administering bronchodilators after the procedure (Choice C) is not directly related to chest physiotherapy and the treatment of atelectasis. Performing chest percussion and vibration while the client is lying flat (Choice D) may not effectively target the lower lobes where the atelectasis is located.
4. Which nursing action prevents injury to a client's eye during the administration of eye drops?
- A. Holding the tip of the container above the conjunctival sac
- B. Rinsing the eye with saline before administration
- C. Placing the client in a supine position
- D. Pressing gently on the lower eyelid to open the eye
Correct answer: A
Rationale: The correct nursing action to prevent injury to a client's eye during the administration of eye drops is to hold the tip of the container above the conjunctival sac. This technique helps to prevent direct contact between the container and the eye, reducing the risk of injury. Rinsing the eye with saline before administration (Choice B) is not a standard practice and may not necessarily prevent injury. Placing the client in a supine position (Choice C) is not directly related to preventing eye injury during eye drop administration. Pressing gently on the lower eyelid to open the eye (Choice D) is not recommended as it can potentially cause injury or discomfort to the client.
5. To evaluate a client's understanding of self-administering insulin within the psychomotor domain of learning, what action should the instructor take?
- A. Have the client demonstrate the procedure.
- B. Explain the procedure again.
- C. Ask the client to describe the procedure.
- D. Observe the client watching a video on the procedure.
Correct answer: A
Rationale: Having the client demonstrate the procedure is the most appropriate action to evaluate understanding within the psychomotor domain of learning. This allows the instructor to assess the client's ability to perform the skill, which is a key aspect of this domain. Choice B, explaining the procedure again, focuses on the cognitive domain rather than the psychomotor domain. Choice C, asking the client to describe the procedure, pertains more to the verbal or cognitive domain of learning. Choice D, observing the client watching a video on the procedure, does not directly assess the client's ability to perform the skill in the psychomotor domain.
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