What indicates that a person may need immediate medical assistance for a burn?

The need for immediate medical assistance for a burn can be indicated by multiple factors, and the best choice here is the comprehensive option that encompasses all potential signs.

Swelling of the skin can suggest that the burn is more severe, as it may indicate inflammation or tissue damage. Burns on the face are particularly concerning because they can affect the airways, eyes, and other critical structures, leading to complications that require prompt attention. The presence of blisters is another serious sign; blisters are typically associated with second-degree burns, which damage deeper layers of skin and increase the risk of infection.

Given the severity associated with burns on the face, along with swelling and blistering, it is crucial to respond swiftly. Each of these signs confirms the potential for serious injury, justifying the need for immediate medical evaluation and intervention to prevent complications or further harm.