HESI LPN
HESI Fundamental Practice Exam
1. A client with pneumonia has a decrease in oxygen saturation from 94% to 88% while ambulating. Based on these findings, which intervention should the LPN/LVN implement first?
- A. Assist the ambulating client back to the bed.
- B. Encourage the client to ambulate to resolve pneumonia.
- C. Obtain a prescription for portable oxygen while ambulating.
- D. Move the oximetry probe from the finger to the earlobe.
Correct answer: A
Rationale: The correct intervention is to assist the client back to bed. A decrease in oxygen saturation while ambulating indicates hypoxemia, and the immediate priority is to stabilize oxygen levels. Returning the client to bed allows for rest and decreased oxygen demand, potentially preventing further desaturation. Encouraging continued ambulation (Choice B) may worsen the hypoxemia by increasing oxygen demand. Obtaining portable oxygen (Choice C) is essential but should not delay addressing the low oxygen saturation. Moving the oximetry probe (Choice D) may not address the underlying cause of decreased oxygen saturation and should not be the first intervention.
2. The nurse is assessing a 17-year-old female client with bulimia. Which of the following laboratory reports would the nurse anticipate?
- A. Increased serum glucose
- B. Decreased albumin
- C. Decreased potassium
- D. Increased sodium retention
Correct answer: C
Rationale: The correct answer is C, 'Decreased potassium.' Clients with bulimia often have decreased potassium levels due to frequent vomiting, which causes a loss of this essential electrolyte. This loss can lead to various complications such as cardiac arrhythmias. Option A, 'Increased serum glucose,' is not typically associated with bulimia. Option B, 'Decreased albumin,' is more related to malnutrition or liver disease rather than bulimia. Option D, 'Increased sodium retention,' is not a common finding in clients with bulimia; instead, they may experience electrolyte imbalances like hyponatremia due to purging behaviors.
3. 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.
4. A healthcare professional is admitting a client who has tuberculosis. Which of the following types of transmission precautions should the healthcare professional plan to initiate?
- A. Contact
- B. Droplet
- C. Airborne
- D. Protective environment
Correct answer: C
Rationale: Tuberculosis is transmitted through airborne particles, so airborne precautions are necessary to prevent the spread of the disease. Airborne precautions (Choice C) involve measures such as negative pressure rooms and N95 respirators to prevent the transmission of infectious agents that remain infectious over long distances when suspended in the air. Contact precautions (Choice A) are used for diseases that spread through direct contact with the patient or their environment. Droplet precautions (Choice B) are for diseases transmitted through respiratory droplets, typically over short distances. Protective environment (Choice D) is used for clients who are immunocompromised to protect them from environmental pathogens, not for diseases like tuberculosis that spread through the air.
5. When providing postmortem care to a client diagnosed with Methicillin-resistant Staphylococcus aureus (MRSA) who has passed away, what type of precautions is appropriate to use?
- A. Airborne precautions
- B. Droplet precautions
- C. Contact precautions
- D. Compromised host precautions
Correct answer: C
Rationale: Contact precautions are the appropriate type to use when performing postmortem care for a client with MRSA. MRSA is primarily spread through direct contact, so using contact precautions helps prevent the transmission of the infection. Airborne precautions are not necessary for MRSA, as it is not transmitted through the air like tuberculosis or measles. Droplet precautions are used for diseases transmitted through respiratory droplets like influenza. Compromised host precautions are not a standard precaution type and are not specific to managing MRSA infection.
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