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. What should be included in the preoperative teaching for a 4-year-old child scheduled for a tonsillectomy?
- A. Explaining the procedure in detail
- B. Encouraging deep breathing exercises
- C. Discussing the importance of hydration
- D. Using play therapy to prepare the child
Correct answer: B
Rationale: Encouraging deep breathing exercises is important preoperative teaching for a child scheduled for a tonsillectomy. Deep breathing exercises can help the child relax and reduce anxiety, which is beneficial before the procedure. Explaining the procedure in detail might be overwhelming for a 4-year-old, whereas encouraging deep breathing exercises can be more beneficial in promoting relaxation and preparing the child. Discussing the importance of hydration is crucial for postoperative care but may not be the priority for preoperative teaching. Using play therapy can help prepare the child, but encouraging deep breathing exercises is more directly related to relaxation and preparation for the procedure.
3. What definitive diagnostic procedure does the nurse expect to be used to confirm the diagnosis of Hirschsprung disease in a 1-month-old infant?
- 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. This procedure reveals the absence of ganglion cells in the affected bowel segment, which is a hallmark of Hirschsprung disease. Colonoscopy (Choice A) is not typically used for diagnosing Hirschsprung disease due to the risk of not accurately reaching the affected segment. Multiple saline enemas (Choice C) are not used to confirm the diagnosis of Hirschsprung disease. Fiberoptic nasoenteric tube (Choice D) is not a standard diagnostic procedure for Hirschsprung disease and does not provide the necessary information to confirm the absence of ganglion cells in the affected bowel segment.
4. What is the priority nursing intervention for a child with juvenile idiopathic arthritis (JIA)?
- A. Encouraging a diet high in protein
- B. Administering nonsteroidal anti-inflammatory drugs (NSAIDs)
- C. Applying heat to affected joints
- D. Providing range-of-motion exercises
Correct answer: B
Rationale: The priority nursing intervention for a child with juvenile idiopathic arthritis (JIA) is to administer nonsteroidal anti-inflammatory drugs (NSAIDs). NSAIDs help manage pain and inflammation associated with JIA, making them crucial in providing relief to the child. Encouraging a diet high in protein (Choice A) may be beneficial for overall health but is not the priority in managing JIA symptoms. Applying heat to affected joints (Choice C) can provide comfort but does not address the underlying inflammation. Providing range-of-motion exercises (Choice D) is important for maintaining joint mobility but is not the priority intervention when managing acute symptoms of JIA.
5. Following corrective surgery for hypertrophic pyloric stenosis (HPS), an infant is returned to the pediatric unit with an IV infusion in place. What is the priority nursing action?
- A. Apply adequate restraints.
- B. Administer a mild sedative.
- C. Assess the IV site for infiltration.
- D. Attach the nasogastric tube to wall suction.
Correct answer: C
Rationale: The priority nursing action after a corrective surgery for hypertrophic pyloric stenosis (HPS) is to assess the IV site for infiltration. This is crucial to ensure proper fluid administration and prevent complications such as extravasation or infiltration. Applying restraints (Choice A) is not indicated in this scenario and can compromise the infant's comfort and safety. Administering a mild sedative (Choice B) is not necessary and should only be done based on specific clinical indications. Attaching the nasogastric tube to wall suction (Choice D) may be important for certain conditions but is not the priority immediately post-surgery; assessing the IV site is more urgent to prevent potential complications related to IV therapy.
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