Which of the following is an essential step in the management of a trauma patient?

Establishing a secure airway is a critical step in the management of a trauma patient because it ensures that the patient can breathe adequately and receive sufficient oxygen. In trauma cases, particularly those involving head injuries or facial trauma, the airway can be compromised. A secure airway is essential for effective ventilation and can prevent hypoxia, which is potentially life-threatening.

In the context of trauma management, prioritizing airway management is part of the ABCs (Airway, Breathing, Circulation) principle, which is fundamental in emergency care. If the airway is not secured, it may lead to severe complications, including brain damage or death, due to inadequate oxygen delivery.

Other options, such as initial lab tests and administration of pain medication, are important in the overall management of trauma patients, but they are secondary to the immediate need for managing the airway. Observation in the waiting room is inappropriate for trauma patients as immediate assessment and intervention are often vital to their survival and recovery.