Primary and Secondary Survey

A 32-year-old man is brought to the emergency department following a high-speed motor vehicle collision. During the primary survey, which is the most common cause of preventable death in the immediate post-trauma period?

During the secondary survey of a trauma patient, which is the most common site of blunt abdominal injury requiring operative intervention?

A 28-year-old woman is brought to the trauma bay after a stab wound to the right anterior chest at the 4th intercostal space. On primary survey: GCS 15, airway patent, respiratory rate 24/min with equal bilateral air entry, BP 128/82 mmHg, HR 92/min. Examination of the wound shows a 2 cm laceration with minimal bleeding. There is no subcutaneous emphysema or tension pneumothorax. What is the most appropriate next step in management?

A 32-year-old man is brought to the trauma bay after a high-speed motor vehicle collision. During the primary survey, you identify severe facial trauma with airway compromise. Which feature best distinguishes a PRIMARY survey finding from a SECONDARY survey finding in this patient?

During the primary survey of a trauma patient, which component of the ABCDE assessment is evaluated FIRST?