HESI LPN
Pediatric Practice Exam HESI
1. Why might a healthcare provider question a health care provider's order for a tap water enema for a 6-month-old infant with suspected Hirschsprung disease?
- A. The result could lead to loss of necessary nutrients.
- B. It could cause a fluid and electrolyte imbalance.
- C. It could increase the fear of intrusive procedures.
- D. The result could cause shock from a sudden drop in temperature.
Correct answer: B
Rationale: The correct answer is B. Tap water enemas can cause significant fluid and electrolyte imbalances, particularly in infants, making them unsafe for this age group. Choice A is incorrect because tap water enemas are unlikely to lead to loss of necessary nutrients. Choice C is incorrect as it does not directly relate to the physiological risk of tap water enemas. Choice D is incorrect as shock from a sudden drop in temperature is not a common concern with tap water enemas.
2. How is the diagnosis of Hirschsprung disease confirmed in a 1-month-old infant admitted to the pediatric unit?
- A. Colonoscopy
- B. Rectal biopsy
- C. Multiple saline enemas
- D. Fiberoptic nasoenteric tube
Correct answer: B
Rationale: Rectal biopsy is the definitive diagnostic procedure for Hirschsprung disease in infants. It confirms the absence of ganglion cells in the affected bowel segment, which is characteristic of Hirschsprung disease. Colonoscopy (Choice A) is not typically used for confirmation as it may not provide a definitive result. Multiple saline enemas (Choice C) are utilized in the treatment of meconium ileus, a complication of cystic fibrosis, and not in the diagnosis of Hirschsprung disease. Fiberoptic nasoenteric tube (Choice D) is not a diagnostic tool for Hirschsprung disease; it is commonly used for gastrointestinal decompression or feeding purposes but does not confirm the diagnosis.
3. A nurse is caring for a child with a diagnosis of acute lymphoblastic leukemia (ALL). What is the priority nursing intervention?
- A. Administering chemotherapy
- B. Preventing infection
- C. Monitoring for signs of bleeding
- D. Providing nutritional support
Correct answer: B
Rationale: The correct answer is preventing infection. In caring for a child with acute lymphoblastic leukemia (ALL), preventing infection is the priority nursing intervention. Children with ALL are immunocompromised due to the disease and its treatment, making them more susceptible to infections. Administering chemotherapy, while important, is not the priority as preventing infection takes precedence to avoid complications. Monitoring for signs of bleeding and providing nutritional support are also essential components of care for a child with ALL, but preventing infection is the priority to ensure the child's safety and well-being.
4. A home care nurse is visiting a family for the first time. The 4-week-old infant had surgery for exstrophy of the bladder and creation of an ileal conduit soon after birth. When the nurse arrives, the mother appears tired, and the baby is crying. After an introduction, which is the most appropriate statement by the nurse?
- A. “Tell me about your daily routine.”
- B. “You look tired. Is everything all right?”
- C. “When was the last time the baby had a bottle?”
- D. “Oh, it looks like you two are having a bad day.”
Correct answer: A
Rationale: The most appropriate statement by the nurse in this scenario is to inquire about the family's daily routine. This question allows the nurse to gather information about the family dynamics, the care routine for the infant post-surgery, feeding schedules, and potential stressors. It opens the conversation in a non-intrusive manner and helps the nurse assess the family's situation to provide appropriate support. Choices B, C, and D do not address the situation effectively. Asking about the daily routine is crucial for the nurse to understand the family's needs and offer targeted assistance.
5. The nurse is reviewing the laboratory test results of a child with Addison's disease. What would the nurse expect to find?
- A. Hypernatremia
- B. Hyperkalemia
- C. Hyperglycemia
- D. Hypercalcemia
Correct answer: B
Rationale: In Addison's disease, adrenal insufficiency leads to decreased aldosterone production. The decreased aldosterone results in impaired sodium reabsorption and potassium excretion, leading to hyperkalemia. Hypernatremia (Choice A) is unlikely because sodium reabsorption is impaired. Hyperglycemia (Choice C) is not a typical lab finding in Addison's disease. Hypercalcemia (Choice D) is not associated with Addison's disease; rather, it can be seen in conditions like hyperparathyroidism.
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