Why is it important for the first responder on scene to conduct a “size-up?

1 1. From a safety and security perspective, why is it important for the first responder on scene to conduct a “size-up?” What does the size-up process entail? The first responder on the site should quickly assess the situation to ensure that it is safe to offer care there and that the appropriate resources are brought in in accordance with the number of patients and their individual care requirements (Pascapurnama et al., 2018). A size-up process entails gathering and analyzing information that will influence decisions fire officers to make and actions firefighters take.