HESI LPN
Practice HESI Fundamentals Exam
1. 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.
2. A nurse on a medical-surgical unit is caring for a group of clients. For which of the following clients should the nurse expect a prescription for fluid restriction?
- A. A client who has a new diagnosis of adrenal insufficiency
- B. A client who has heart failure
- C. A client who is receiving treatment for diabetic ketoacidosis
- D. A client who has abdominal ascites
Correct answer: B
Rationale: The correct answer is B. Fluid restriction is commonly prescribed for clients with heart failure to prevent fluid overload and exacerbation of heart failure symptoms. Heart failure often leads to fluid retention, and restricting fluid intake can help manage this condition. Adrenal insufficiency, diabetic ketoacidosis, and abdominal ascites do not typically require fluid restriction as a primary intervention. Adrenal insufficiency may require hormone replacement therapy, diabetic ketoacidosis requires fluid and electrolyte replacement, and abdominal ascites may require diuretics or paracentesis to remove excess fluid.
3. A charge nurse is observing a newly licensed nurse prepare a sterile field. Which of the following actions should the charge nurse identify as contaminating the sterile field?
- A. The nurse opens the sterile field on a wet surface.
- B. The nurse turns away from the sterile field.
- C. The nurse uses a non-sterile glove to touch the sterile field.
- D. The nurse touches the edge of the sterile drape with her hand.
Correct answer: A
Rationale: The correct answer is A. Opening the sterile field on a wet surface contaminates it, rendering it unsafe for use. Moisture can carry microorganisms that can compromise the sterility of the field. Choice B is incorrect because turning away from the sterile field alone does not necessarily contaminate it unless the nurse touches non-sterile items. Choice C is incorrect because using a non-sterile glove to touch the sterile field directly introduces contaminants. Choice D is incorrect as touching the edge of the sterile drape with a hand may not necessarily contaminate the entire field, unlike opening it on a wet surface.
4. A client with chronic kidney disease is experiencing hyperkalemia. Which medication should the LPN/LVN anticipate being prescribed to lower the client's potassium level?
- A. Furosemide (Lasix)
- B. Sodium polystyrene sulfonate (Kayexalate)
- C. Calcium gluconate
- D. Albuterol (Proventil)
Correct answer: B
Rationale: The correct answer is B: Sodium polystyrene sulfonate (Kayexalate). Kayexalate is commonly used to lower potassium levels in clients with hyperkalemia by exchanging sodium ions for potassium ions in the large intestine, leading to the elimination of excess potassium from the body. Choice A, Furosemide (Lasix), is a loop diuretic that helps with fluid retention but does not directly lower potassium levels. Choice C, Calcium gluconate, is used to treat calcium deficiencies and does not impact potassium levels. Choice D, Albuterol (Proventil), is a bronchodilator used to treat respiratory conditions and does not affect potassium levels. Therefore, the LPN/LVN should anticipate the prescription of Kayexalate to address the client's hyperkalemia.
5. When should the nurse plan to collect a sputum specimen for culture and sensitivity as ordered by a client's provider?
- A. In the morning upon rising.
- B. Immediately after the client eats breakfast.
- C. Before the client goes to bed.
- D. After the client has had a drink of water.
Correct answer: A
Rationale: The correct time to collect a sputum specimen for culture and sensitivity is in the morning upon rising. This timing ensures the most concentrated sample as sputum produced overnight tends to accumulate and sit in the airways, providing a quality sample for testing. Collecting the specimen immediately after eating breakfast (choice B) may introduce food particles that could contaminate the sample. Collecting it before bed (choice C) may lead to a diluted sample due to daily activities. Collecting the specimen after having a drink of water (choice D) can also result in a diluted sample, impacting the accuracy of the test results.
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