HESI LPN
Pediatric Practice Exam HESI
1. While caring for a 5-year-old child hospitalized for the treatment of acute lymphoblastic leukemia (ALL), what is the priority nursing intervention?
- A. Administering antibiotics
- B. Preventing infection
- C. Providing nutritional support
- D. Managing pain
Correct answer: B
Rationale: The priority nursing intervention for a child with acute lymphoblastic leukemia (ALL) is preventing infection due to their compromised immune system. Children undergoing treatment for ALL are highly susceptible to infections, making infection prevention crucial for the child's well-being and treatment success. Administering antibiotics, though important in specific cases, is not the priority in this scenario. Providing nutritional support and managing pain are significant aspects of care but take a back seat to infection prevention in this situation.
2. The nurse is implementing care for a school-age child admitted to the pediatric intensive care unit with diabetic ketoacidosis (DKA). Which prescribed intervention should the nurse implement first?
- A. Begin 0.9% saline solution intravenously as prescribed
- B. Administer regular insulin intravenously as prescribed
- C. Place child on a cardiac monitor
- D. Place child on a pulse oximetry monitor
Correct answer: A
Rationale: Initiating intravenous saline solution is the initial priority in managing diabetic ketoacidosis to address dehydration and electrolyte imbalances. Administering insulin without addressing dehydration first can lead to potential complications. While monitoring cardiac status and oxygen saturation are important, addressing the fluid and electrolyte imbalances takes precedence in the management of DKA.
3. The nurse is reviewing the laboratory test results of a child diagnosed with disseminated intravascular coagulation (DIC). What would the nurse interpret as indicative of this disorder?
- A. Shortened prothrombin time
- B. Increased fibrinogen level
- C. Positive fibrin split products
- D. Increased platelets
Correct answer: C
Rationale: Positive fibrin split products indicate disseminated intravascular coagulation (DIC), a condition characterized by the widespread formation of blood clots throughout the body. In DIC, clotting factors are consumed, leading to increased fibrin split products. A shortened prothrombin time (Choice A) is not typically seen in DIC as it indicates faster blood clotting, which is not consistent with the pathophysiology of DIC. An increased fibrinogen level (Choice B) is also not a characteristic finding in DIC, as fibrinogen levels may be decreased due to consumption in the formation of clots. Increased platelets (Choice D) are not typically observed in DIC; instead, thrombocytopenia (decreased platelet count) is more common due to their consumption in clot formation.
4. A nurse is teaching the parents of a child with a diagnosis of type 1 diabetes mellitus about insulin administration. What should the nurse emphasize?
- A. Rotate injection sites
- B. Administer insulin before meals
- C. Store insulin in the refrigerator
- D. Administer insulin at bedtime
Correct answer: A
Rationale: The correct answer is to rotate injection sites. Rotating injection sites is crucial in insulin administration to prevent lipodystrophy, which is the breakdown of subcutaneous fat at the injection site. It also helps ensure consistent insulin absorption. Administering insulin before meals (choice B) is important to match insulin peak action with the rise in blood glucose after eating. Storing insulin in the refrigerator (choice C) is correct to maintain its potency and stability. Administering insulin at bedtime (choice D) may not be suitable for all patients and is not a universal recommendation for insulin administration.
5. 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.
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