HESI LPN
HESI PN Exit Exam 2024
1. Which of the following is the most effective way to prevent the spread of infection in a healthcare setting?
- A. Using sterile gloves
- B. Wearing a face mask
- C. Performing hand hygiene
- D. Using disposable equipment
Correct answer: C
Rationale: Performing hand hygiene is the most effective way to prevent the spread of infection in a healthcare setting. Hand hygiene helps remove pathogens that could be transmitted through direct contact, making it a crucial practice in infection control. While using sterile gloves and disposable equipment are important in certain situations, they do not address the potential transmission of pathogens through direct contact, unlike hand hygiene. Wearing a face mask is important for respiratory precautions but may not be as effective as hand hygiene in preventing the spread of infections through direct contact.
2. A nurse who receives a patient in the operative suite prior to the actual surgery is in charge of the patient’s care. Which of the following is NOT a task related to the nurse’s intraoperative care?
- A. Go over the surgical procedure with the patient before he or she is anesthetized
- B. Strictly adhere to asepsis during all intraoperative procedures
- C. Provide emotional support to the patient and their family
- D. Monitor the patient’s physical status
Correct answer: A
Rationale: The correct answer is A. Going over the surgical procedure with the patient is typically done preoperatively, not intraoperatively. Intraoperative tasks of a nurse involve strictly adhering to asepsis during procedures, monitoring the patient's physical status, and providing emotional support to the patient and their family during the surgery. Choices B, C, and D are all tasks that are directly related to the nurse's responsibilities during the intraoperative phase of care.
3. Which hormone is primarily responsible for the regulation of calcium and phosphate in the blood?
- A. Parathyroid hormone
- B. Insulin
- C. Cortisol
- D. Thyroxine
Correct answer: A
Rationale: Parathyroid hormone is the correct answer. It regulates calcium and phosphate levels in the blood by increasing calcium reabsorption in the kidneys and releasing calcium from bones. Insulin is involved in glucose metabolism, not calcium and phosphate regulation. Cortisol is a stress hormone and is not primarily responsible for regulating calcium and phosphate levels. Thyroxine is a thyroid hormone that primarily regulates metabolism, not calcium and phosphate in the blood.
4. A nurse is completing a focused assessment of an older adult's skin. The nurse notes a crusted 0.7 cm lesion on the client's forehead. Which action should the nurse take in response to this finding?
- A. Report the finding to the healthcare provider
- B. Place a clear occlusive dressing over the site
- C. Apply a warm compress to remove the crusted area
- D. Explain that this is a normal skin change with aging
Correct answer: A
Rationale: A crusted lesion, especially in an older adult, could be indicative of skin cancer or another serious condition. Therefore, reporting this finding to the healthcare provider is crucial for further evaluation and appropriate management. Placing an occlusive dressing (Choice B) could prevent proper assessment and treatment. Applying a warm compress (Choice C) may not be suitable for a suspicious skin lesion as it could worsen the condition. Explaining it as a normal skin change (Choice D) without proper evaluation can delay necessary interventions and potentially harm the patient.
5. What is the most common genetic cause of intellectual disability?
- A. Down syndrome
- B. Fragile X syndrome
- C. Prader-Willi syndrome
- D. Turner syndrome
Correct answer: B
Rationale: The correct answer is Fragile X syndrome because it is the most common inherited cause of intellectual disability, resulting from a mutation in the FMR1 gene. Down syndrome, Prader-Willi syndrome, and Turner syndrome are not the most common genetic causes of intellectual disability. Down syndrome is caused by the presence of an extra chromosome 21, Prader-Willi syndrome results from specific genetic abnormalities on chromosome 15, and Turner syndrome is characterized by the absence of part or all of one of the X chromosomes.
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