Certified Pediatric Emergency Nurse (CPEN) Practice Exam

Delivering 100% oxygen to a pediatric patient in need of high flow is essential in acute situations where there is a risk of hypoxia or when the patient shows signs of respiratory distress. High-flow oxygen therapy provides the patient with a high concentration of oxygen, maximizing oxygen availability to the tissues and organs, which is particularly crucial in emergencies. This is commonly used in conditions such as severe asthma, respiratory infections, or any scenario where the child demonstrates inadequate oxygenation.

When pediatric patients require urgent intervention, the immediate and high-level administration of oxygen helps correct any deficits in respiratory function that could lead to serious complications or further distress. It is important to monitor the patient closely for any changes in their oxygen saturation levels and vital signs while administering 100% oxygen, and to be prepared to adjust the intervention as the situation evolves.

The other percentages, although relevant in different contexts, do not provide the same level of oxygenation that is necessary in critical care situations. Each of those alternatives would be more suitable for less acute scenarios or for maintaining oxygen levels in patients who do not have immediate medical needs.