What key patient information can be obtained during the scene assessment?

During the scene assessment, obtaining information about the mechanism of injury, the environment, and potential hazards at the scene is crucial for several reasons. Understanding the mechanism of injury helps responders gauge the severity of the patient's condition and anticipate possible injuries that may not be immediately visible. The environment provides context about the conditions under which the injury occurred, which can influence decision-making and treatment strategies. Additionally, identifying potential hazards is vital for ensuring the safety of both the patient and the responders; awareness of environmental risks can prevent further injuries.

In contrast, the other options provide either limited or less critical information for immediate patient care in a trauma situation. For example, knowing just the patient's name and contact information does not assist in treating the injuries or understanding the circumstances of the trauma. Similarly, the time of injury alone lacks context about the condition of the patient or the mechanisms involved. Understanding the patient's previous medical history is important but is generally obtained during the secondary assessment, rather than being a focal point of scene assessment where immediate threats and injury mechanics are prioritized.