HESI LPN
HESI Fundamentals Exam Test Bank
1. The nurse is providing wound care to a client with a stage 3 pressure ulcer that has a large amount of eschar. The wound care prescription states 'clean the wound and then apply collagenase.' Collagenase is a debriding agent. The prescription does not specify a cleaning method. Which technique should the nurse use to cleanse the pressure ulcer?
- A. Lightly coat the wound with povidone-iodine solution
- B. Irrigate the wound with sterile normal saline
- C. Flush the wound with sterile hydrogen peroxide
- D. Remove the eschar with a wet-to-dry dressing
Correct answer: B
Rationale: Irrigating the wound with sterile normal saline is the correct technique for cleansing a wound when the prescription does not specify a cleaning method. Sterile normal saline is a standard and safe solution that helps to remove debris and promote healing without damaging healthy tissue. Choice A, using povidone-iodine solution, can be cytotoxic and delay wound healing. Choice C, using hydrogen peroxide, can be cytotoxic, cause tissue damage, and delay wound healing. Choice D, using wet-to-dry dressing to remove eschar, is an outdated and non-selective method that can cause trauma to the wound bed and delay healing. Therefore, choice B is the best option for wound cleansing in this scenario.
2. A healthcare professional is administering 1 L of 0.9% sodium chloride to a client who is postoperative and has fluid volume deficit. Which of the following changes should the healthcare professional identify as an indication that the treatment was successful?
- A. Decrease in heart rate
- B. Fluid volume deficit causes tachycardia
- C. Decrease in blood pressure
- D. Increase in respiratory rate
Correct answer: A
Rationale: A decrease in heart rate can indicate that the fluid volume deficit is improving. In cases of fluid volume deficit, the body compensates by increasing the heart rate to maintain adequate perfusion. Therefore, a decrease in heart rate after fluid resuscitation suggests that the body's perfusion status is improving. Choices B, C, and D are incorrect because fluid volume deficit typically causes tachycardia, not a decrease in heart rate, and would not result in a decrease in blood pressure or an increase in respiratory rate as primary signs of improvement.
3. A nurse on a rehabilitation unit is transferring a client from a bed to a chair. To avoid a back injury, which of the following techniques should the nurse use?
- A. Bend at the knees while maintaining a wide stance and a straight back, with the client’s hands on the nurse’s shoulders, and the nurse’s hands under the client’s axillae
- B. Use a mechanical lift
- C. Twist at the waist while holding the client
- D. Ask for assistance from another staff member
Correct answer: A
Rationale: The correct technique for transferring a client from a bed to a chair to avoid back injuries is to bend at the knees while maintaining a wide stance and a straight back. This position ensures that the nurse uses leg muscles rather than the back muscles for lifting, reducing the risk of injury. Placing the client’s hands on the nurse’s shoulders and the nurse’s hands under the client’s axillae provides additional support and stability during the transfer. Using a mechanical lift may be appropriate for certain situations but is not necessary for a simple bed-to-chair transfer. Twisting at the waist while holding the client can lead to back strain or injury. Asking for assistance from another staff member is a good practice, but proper body mechanics should still be followed to ensure safe client handling.
4. A nurse on a med-surg unit is providing care for four clients. The nurse should identify which of the following situations as an ethical dilemma?
- A. A surgeon who removed the wrong kidney during a surgical procedure refuses to take responsibility for her actions
- B. A client who has a new colostomy refuses to follow instructions from the ostomy therapist because she 'doesn’t like him'
- C. The family of a client who has a terminal illness asks that the provider not disclose the diagnosis to the client
- D. A client who has Crohn’s disease reports that his prescription drug plan will not cover his medications
Correct answer: C
Rationale: The correct answer is C. It is an ethical dilemma when the family of a client with a terminal illness asks healthcare providers not to inform the client of their diagnosis. This situation poses a conflict between respecting the client's right to know the truth about their condition (autonomy and truth-telling principles) and honoring the family's wishes. Choices A, B, and D do not present ethical dilemmas. Choice A involves professional accountability and responsibility, Choice B involves a client's personal preference, and Choice D involves financial challenges.
5. When assessing a male client, the nurse finds that he is fatigued and is experiencing muscle weakness, leg cramps, and cardiac dysrhythmias. Based on these findings, the nurse plans to check the client's laboratory values to validate the existence of which condition?
- A. Hyperphosphatemia
- B. Hypocalcemia
- C. Hypermagnesemia
- D. Hypokalemia
Correct answer: D
Rationale: The symptoms of muscle weakness, leg cramps, and cardiac dysrhythmias are indicative of hypokalemia, a condition characterized by low potassium levels. Checking the client's laboratory values for potassium will help confirm this diagnosis. Hyperphosphatemia (Choice A) is an elevated phosphate level in the blood, which is not consistent with the symptoms described. Hypocalcemia (Choice B) is a low calcium level and typically presents with different symptoms than those mentioned in the scenario. Hypermagnesemia (Choice C) is an excess of magnesium in the blood and does not align with the symptoms of muscle weakness, leg cramps, and cardiac dysrhythmias observed in the client.
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