HESI Pediatric Practice Exam Related

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An infant with tetralogy of Fallot becomes acutely cyanotic and hyperpneic. Which action should the nurse implement first?

  • A. Administer morphine sulfate.
  • B. Start IV fluids.
  • C. Place the infant in a knee-chest position.
  • D. Provide 100% oxygen by face mask.
Correct Answer: C

Rationale: In a situation where an infant with tetralogy of Fallot is acutely cyanotic and hyperpneic, the priority action should be to place the infant in a knee-chest position. This position helps increase systemic vascular resistance, improving pulmonary blood flow and subsequently ameliorating the cyanosis and hyperpnea. It is a non-invasive and effective intervention that can be promptly implemented by the nurse to address the immediate respiratory distress.