Upon arriving at the scene of a 4-year-old boy with respiratory distress, what should be your initial action?

The most appropriate initial action upon arriving at the scene of a 4-year-old boy with respiratory distress is to visually assess the child from across the room for any signs of increased work of breathing. This approach is critical in emergencies, especially with children, as it allows the paramedic to quickly evaluate the child's condition without causing additional distress.

By observing the child from a distance, the responder can assess for key indicators of respiratory distress, such as the use of accessory muscles, retractions, nasal flaring, or changes in color. This initial visual assessment helps to determine the severity of the child's condition and informs subsequent actions, such as whether immediate interventions, like oxygen administration or positioning, are necessary.

In a pediatric emergency, safety is also a top priority. A visual assessment minimizes the stress often caused by sudden, close physical contact, which can be particularly alarming for young children. Once a preliminary evaluation is made, further steps can be taken based on the child's needs.

The other options do not prioritize the necessary rapid assessment of a potentially life-threatening condition. Engaging physically with the child without first assessing their state could exacerbate anxiety and lead to a more dangerous situation.