HESI LPN
Pediatric HESI Test Bank
1. The nurse is counseling a young couple who, in 2 months, are having their third baby. The nurse uses Von Bertalanffy's general system theory applied to families to analyze the family structure. Which best describes the main emphasis of this theory and its application to family dynamics?
- A. It emphasizes the family as a system with interdependent, interacting parts that endure over time to ensure the survival, continuity, and growth of its components.
- B. It emphasizes the social system of the family, such as the organization or structure of the family and how the structure relates to the function.
- C. It emphasizes the developmental stages that all families go through, beginning with marriage; the longitudinal career of the family is also known as the family life cycle.
- D. It addresses the way families respond to stress and how the family copes with the stress as a group and how each individual member copes.
Correct answer: A
Rationale: Von Bertalanffy's general system theory applied to families emphasizes the family as a system with interdependent, interacting parts that endure over time to ensure the survival, continuity, and growth of its components. This perspective views the family as a dynamic entity where each member's actions and behaviors impact the overall functioning of the family unit. Choice B is incorrect because it focuses more on the social aspects of family structure rather than the systemic view provided by Von Bertalanffy's theory. Choice C is incorrect as it pertains more to the family life cycle theory, which is different from the general system theory. Choice D is incorrect as it addresses stress response within families, a concept not central to Von Bertalanffy's general system theory.
2. After corrective surgery for hypertrophic pyloric stenosis (HPS) is completed, and the 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 corrective surgery for hypertrophic pyloric stenosis (HPS) is to assess the IV site for infiltration. This is crucial as it ensures proper fluid administration and prevents complications such as phlebitis or infiltration-related tissue damage. Applying restraints (Choice A) would not be appropriate in this situation as it is not related to the immediate post-operative care of an infant with an IV infusion. Administering a mild sedative (Choice B) is not indicated as the primary concern post-surgery is monitoring the IV site and the infant's response to the surgery. Attaching the nasogastric tube to wall suction (Choice D) is not the priority at this time, as assessing the IV site takes precedence to prevent potential complications.
3. When assessing a child with a possible fracture, what would be the most reliable indicator for the nurse to identify?
- A. Lack of spontaneous movement
- B. Point tenderness
- C. Bruising
- D. Inability to bear weight
Correct answer: B
Rationale: Point tenderness is the most reliable indicator of a possible fracture in a child. It refers to localized pain at a specific point, indicating a potential bone injury. Lack of spontaneous movement (Choice A) is non-specific and can be due to various reasons. Bruising (Choice C) may be present in fractures but is not as specific as point tenderness. Inability to bear weight (Choice D) can also be seen in fractures but may not always be present, making it less reliable compared to point tenderness.
4. A child has been admitted to the pediatric unit with a severe asthma attack. What type of acid-base imbalance should the nurse expect the child to develop?
- A. metabolic alkalosis caused by decreased acid metabolites production
- B. respiratory alkalosis caused by decreased respiratory rate and carbon dioxide retention
- C. respiratory acidosis caused by impaired respirations and increased carbonic acid formation
- D. metabolic acidosis caused by the kidneys' inability to compensate for increased carbonic acid production
Correct answer: C
Rationale: In a severe asthma attack, the child is likely to develop respiratory acidosis due to impaired respirations leading to the retention of carbon dioxide, which combines with water to form carbonic acid. This results in the pH imbalance characterized by an excess of carbonic acid. Choices A, B, and D are incorrect. Metabolic alkalosis (Choice A) is not typically associated with severe asthma attacks; respiratory alkalosis (Choice B) would involve a decrease, not an increase, in carbon dioxide levels; and metabolic acidosis (Choice D) is not the primary acid-base imbalance seen in severe asthma attacks.
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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