HESI LPN
Pediatric Practice Exam HESI
1. A child with a diagnosis of leukemia is receiving chemotherapy. What is the priority nursing intervention?
- A. Monitoring for signs of infection
- B. Providing nutritional support
- C. Monitoring for signs of bleeding
- D. Monitoring for signs of pain
Correct answer: A
Rationale: The priority nursing intervention for a child with leukemia receiving chemotherapy is monitoring for signs of infection. Chemotherapy can suppress the immune system, increasing the risk of infections. Detecting and managing infections promptly is crucial to prevent complications and improve outcomes. Providing nutritional support is important, but infection prevention takes precedence due to the immediate threat it poses to the child's health. Monitoring for signs of bleeding is relevant in leukemia due to decreased platelet count, but infection surveillance is more critical. Monitoring for signs of pain is essential, but addressing infections promptly is the priority to prevent further deterioration in the child's condition.
2. Why does a cleft lip predispose an infant to infection, concerning a nurse caring for the infant?
- A. Waste products accumulate along the defect.
- B. There is inadequate circulation in the defective area.
- C. Nutrition is inadequate due to ineffective feeding.
- D. Mouth breathing dries the oropharyngeal mucous membranes.
Correct answer: D
Rationale: Mouth breathing due to a cleft lip can dry the mucous membranes, increasing their susceptibility to infection. While waste product accumulation (Choice A) and inadequate circulation (Choice B) may contribute to complications, they are not directly related to infection in this context. Inadequate nutrition (Choice C) may affect overall health but is not the primary reason for infection predisposition in this case.
3. The nurse is caring for a 15-year-old boy who has sustained burn injuries. The nurse observes the burn developing a purplish color with discharge and a foul odor. The nurse suspects which infection?
- A. Burn wound cellulitis.
- B. Invasive burn cellulitis.
- C. Burn impetigo.
- D. Staphylococcal scalded skin syndrome.
Correct answer: B
Rationale: The correct answer is B: Invasive burn cellulitis. Invasive burn cellulitis presents with the burn developing a dark brown, black, or purplish color with discharge and a foul odor. Burn wound cellulitis (choice A) typically involves redness, warmth, and swelling around the burn site. Burn impetigo (choice C) is a superficial infection characterized by honey-colored crusting. Staphylococcal scalded skin syndrome (choice D) is a condition caused by exotoxins from Staphylococcus aureus, leading to widespread skin peeling.
4. When assessing the perfusion status of a 2-year-old child with possible shock, which of the following parameters would be LEAST reliable?
- A. distal capillary refill
- B. systolic blood pressure
- C. skin color and temperature
- D. presence of peripheral pulses
Correct answer: B
Rationale: The correct answer is B: systolic blood pressure. In young children, systolic blood pressure is the least reliable parameter for assessing perfusion status. Factors such as anxiety, crying, and fear can significantly affect blood pressure measurements, leading to inaccuracies. Distal capillary refill, skin color and temperature, and presence of peripheral pulses are more reliable indicators of perfusion status in pediatric patients. Distal capillary refill assesses peripheral perfusion, skin color, and temperature reflect tissue perfusion, and the presence of peripheral pulses indicates blood flow to the extremities. Therefore, when evaluating a 2-year-old child with possible shock, focusing on parameters other than systolic blood pressure is crucial for an accurate assessment of perfusion status.
5. You are managing a 10-month-old infant who has had severe diarrhea and vomiting for 3 days and is now showing signs of shock. You have initiated supplemental oxygen therapy and elevated the lower extremities. En route to the hospital, you note that the child's work of breathing has increased. What must you do first?
- A. Lower the extremities and reassess the child
- B. Begin positive pressure ventilations and reassess the child
- C. Place a nasopharyngeal airway and increase the oxygen flow
- D. Listen to the lungs with a stethoscope for abnormal breath sounds
Correct answer: A
Rationale: In this scenario, the infant is presenting with signs of respiratory distress, as evidenced by the increased work of breathing. Lowering the extremities can help reduce the workload on the diaphragm and improve respiratory mechanics. This action can be beneficial in optimizing the infant's breathing before considering more invasive interventions. Option B, initiating positive pressure ventilations, should be considered if the infant's condition deteriorates further and not as the first step. Option C, placing a nasopharyngeal airway and increasing oxygen flow, is not indicated as the primary intervention for increased work of breathing. Option D, listening to the lungs with a stethoscope, may provide additional information but is not the most urgent action needed in this situation.
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