What is the difference between primary and secondary surveys in rescue medicine?

• A. Primary assesses life threats and stabilizes; secondary conducts a head-to-toe assessment after stabilization
• B. Primary is a medical imaging test
• C. Primary is performed after transport
• D. Primary and secondary are identical in scope

Answer: (A)

The main idea is the sequence and purpose of two quick assessments in emergency care. The primary survey is all about identifying and stopping life-threatening problems right away. You rapidly assess and manage airway, breathing, and circulation (often using the ABCDE framework) and address critical issues like a blocked airway, failed breathing, severe bleeding, or shock. The aim is to stabilize the patient so they can survive the initial minutes and hours.

Once those life threats are controlled, you move into the secondary survey. This is a thorough, head-to-toe evaluation conducted after stabilization to uncover injuries that aren’t immediately life-threatening and to collect a complete history and mechanism of injury. It involves a careful exam of all body regions, reassessing vital signs, and identifying problems that require definitive care later.

So the best choice reflects this sequence: prioritizing life threats and stabilization in the primary survey, followed by a comprehensive secondary assessment after stabilization. Choices that describe the primary as a medical imaging test, as occurring after transport, or as being identical in scope don’t fit how rescue medicine is structured.