HESI LPN
HESI Fundamentals Study Guide
1. A client has been admitted to the hospital with severe diarrhea. The nurse should monitor the client for which complication?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Hyperkalemia
- D. Hypercalcemia
Correct answer: A
Rationale: Severe diarrhea can lead to metabolic acidosis due to the loss of bicarbonate. When there is excessive loss of bicarbonate through diarrhea, the pH of the blood decreases, leading to metabolic acidosis. Metabolic alkalosis (Choice B) is not typically associated with severe diarrhea as it involves elevated pH and bicarbonate levels. Hyperkalemia (Choice C) is less likely with severe diarrhea as potassium is often lost along with fluids. Hypercalcemia (Choice D) is not a common complication of severe diarrhea; instead, hypocalcemia may occur due to malabsorption of calcium.
2. A nurse is caring for a client who is postoperative and has signs of hemorrhagic shock. When the nurse notifies the surgeon, he directs her to continue measuring the client's vital signs every 15 minutes and call him back in 1 hour. From a legal perspective, which of the following actions should the nurse take next?
- A. Document the provider's directive in the medical record
- B. Notify the nursing manager
- C. Consult the facility's risk manager
- D. Complete an incident report
Correct answer: B
Rationale: In this scenario, the nurse is facing a critical situation with a client showing signs of hemorrhagic shock. The surgeon's directive of waiting for an hour without providing immediate intervention poses a risk to the client's well-being. The nurse should prioritize the client's safety and advocate for timely and appropriate care. Notifying the nursing manager is the correct action as it activates the chain of command to ensure that the client receives the necessary care promptly. Documenting the provider's directive, consulting the risk manager, or completing an incident report are not the immediate actions needed to address the client's deteriorating condition and ensure patient safety.
3. A client in the emergency department is being cared for by a nurse and has abdominal trauma. Which of the following assessment findings should the nurse identify as an indication of hypovolemic shock?
- A. Tachycardia
- B. Elevated blood pressure
- C. Warm, dry skin
- D. Decreased respiratory rate
Correct answer: A
Rationale: Tachycardia is a hallmark sign of hypovolemic shock. When a client experiences significant blood loss, the body compensates by increasing the heart rate to maintain adequate perfusion to vital organs. Elevated blood pressure is not typically seen in hypovolemic shock; instead, hypotension is a more common finding. Warm, dry skin is characteristic of neurogenic shock, not hypovolemic shock. Decreased respiratory rate is not a typical manifestation of hypovolemic shock, as the body usually tries to increase respiratory effort to improve oxygenation in response to hypovolemia.
4. When evaluating a client's use of a cane, which action should the nurse identify as an indication of correct use?
- A. The client's stronger side holds the cane
- B. The top of the cane is parallel to the client's waist
- C. The client holds the cane on the stronger side of their body
- D. The client moves the cane 46 cm (18 in) forward
Correct answer: C
Rationale: The correct way to use a cane is to hold it on the stronger side of the body. This helps to provide support and maintain alignment. Option A is incorrect because the cane should be held on the stronger side, not the weaker side. Option B is incorrect as the top of the cane should be at the level of the greater trochanter, not the waist. Option D is incorrect because the client should move the weaker limb forward with the cane for stability.
5. A healthcare professional is admitting a client who has influenza. Which of the following types of transmission precautions should the healthcare professional initiate?
- A. Airborne
- B. Droplet
- C. Contact
- D. Protective environment
Correct answer: B
Rationale: Droplet precautions should be initiated for clients with infections that spread via droplet nuclei larger than 5 microns in diameter, such as influenza, rubella, meningococcal pneumonia, and streptococcal pharyngitis. In the case of influenza, the virus is primarily spread through respiratory droplets produced when an infected person coughs, sneezes, or talks. Airborne precautions are used for pathogens that remain infectious over long distances, typically smaller than 5 microns, like tuberculosis. Contact precautions are for diseases transmitted by direct or indirect contact, and protective environment precautions are for immunocompromised individuals to protect them from environmental pathogens.
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