HESI LPN
HESI Fundamental Practice Exam
1. A charge nurse is teaching a newly licensed nurse about the care of a client who has methicillin-resistant Staphylococcus aureus (MRSA). Which of the following statements should the charge nurse identify as an indication that the newly licensed nurse understands the teaching?
- A. I should obtain a specimen for culture and sensitivity after the first dose of an antimicrobial.
- B. MRSA is usually resistant to vancomycin, so another antimicrobial will be prescribed.
- C. I will protect others from exposure when I transport the client outside the room.
- D. To decrease resistance, antimicrobial therapy is discontinued when the client is no longer febrile.
Correct answer: C
Rationale: The correct answer is C. Protecting others from exposure when transporting a client with MRSA is crucial in preventing the spread of infection. This statement demonstrates understanding of infection control measures. Stating that MRSA is usually resistant to vancomycin (choice B) is incorrect; vancomycin is often effective against MRSA. Obtaining a specimen for culture and sensitivity after the first dose of an antimicrobial (choice A) is unnecessary and not indicated. Discontinuing antimicrobial therapy when the client is no longer febrile (choice D) is incorrect because antimicrobial therapy should be completed as prescribed to prevent the development of resistant strains.
2. During the initial physical assessment of a newly admitted client with a pressure ulcer, an LPN observes that the client's skin is dry and scaly. The nurse applies emollients and reinforces the dressing on the pressure ulcer. Legally, were the nurse's actions adequate?
- A. The nurse should have also initiated a plan to increase activity.
- B. The nurse provided supportive nursing care for the well-being of the client.
- C. Debridement of the pressure ulcer should have been performed before applying the dressing.
- D. Treatment should not have been initiated until the healthcare provider's prescriptions were received.
Correct answer: B
Rationale: The correct answer is B. Providing supportive nursing care, such as applying emollients and reinforcing the dressing on the pressure ulcer, meets the immediate needs of the client and is in line with legal and professional standards. Option A is incorrect because increasing activity may not be directly related to the immediate skin care needs of the client. Option C is incorrect as debridement might not be immediately necessary based on the initial assessment. Option D is incorrect as nurses are often authorized to initiate treatments within their scope of practice without waiting for healthcare provider prescriptions, especially for routine care like skin moisturization and dressing reinforcement.
3. During an admission history, a client tells a nurse that she is under a lot of stress. Which of the following physiological responses should the nurse expect to increase as a result of stress?
- A. Blood glucose - a common stress response.
- B. Intestinal peristalsis - should decrease due to stress.
- C. Peripheral blood vessels diameter - can vary in response to stress.
- D. Urine output - may vary but not a typical stress response.
Correct answer: A
Rationale: The correct answer is A. Stress typically increases blood glucose levels due to the release of stress hormones like cortisol and adrenaline. Elevated blood glucose helps provide energy for the body to cope with the stressful situation. Choice B is incorrect because intestinal peristalsis, the movement of the intestines, is more likely to decrease under stress due to the 'fight or flight' response. Choice C is incorrect as peripheral blood vessels' diameter may vary in response to stress, with both constriction and dilation possible. Choice D is incorrect as urine output may increase or decrease depending on individual differences and the specific stress response, but it is not a typical or direct physiological response to stress.
4. After a renal biopsy, a client has returned to the unit. Which of the following nursing interventions is appropriate?
- A. Ambulate the client 4 hours after the procedure
- B. Maintain the client on NPO status for 24 hours
- C. Monitor vital signs
- D. Change the dressing every 8 hours
Correct answer: C
Rationale: Monitoring vital signs is crucial after a renal biopsy to promptly detect any signs of bleeding or complications. Ambulating the client 4 hours after the procedure may increase the risk of bleeding, so it is not appropriate. Maintaining the client on NPO status for 24 hours is not necessary unless specifically ordered by the healthcare provider. Changing the dressing every 8 hours is not typically indicated unless there is a specific concern or order to do so.
5. While measuring a client’s vital signs, the nurse notices an irregularity in the heart rate. Which nursing action is appropriate?
- A. Count the apical pulse rate for 1 full minute, and describe the rhythm in the chart
- B. Measure the blood pressure
- C. Perform an ECG
- D. Recheck the heart rate after 5 minutes
Correct answer: A
Rationale: The appropriate nursing action when an irregularity in the heart rate is observed is to count the apical pulse rate for a full minute and describe the rhythm in the chart. This approach helps in obtaining an accurate assessment of the irregularities present. Measuring the blood pressure (Choice B) is important but not the immediate priority when an irregular heart rate is noted. Performing an ECG (Choice C) may be necessary but is a more advanced intervention that should follow the initial assessment. Rechecking the heart rate after 5 minutes (Choice D) may delay potential interventions for addressing the irregularity, making it less appropriate than the immediate assessment and documentation of the pulse rhythm.
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