Final answer:
Among the provided options, a temperature of 101.5°F is the most indicative of early septic shock, as fever is a common sign of infection especially following a burn injury.
Step-by-step explanation:
Among the options provided for the assessment of a 10-year-old child following a burn injury, the indication of early septic shock would be: Option 4: Temperature of 101.5°F. An elevated body temperature, also referred to as fever, is a common sign of infection and can be indicative of the onset of septic shock. This is particularly significant in the context of a burn injury, which can compromise the skin's barrier and increase the risk of infection leading to sepsis. While slightly elevated heart rate and capillary refill time may be concerning and should be monitored, they are not as specific to sepsis as the presence of a fever is. It is crucial that any signs of sepsis in a burn patient be promptly addressed due to the speed at which sepsis can progress.