Which Among the Following Are Included in the Secondary Survey

Which among the following are included in the secondary survey assessing trauma patients?

A) Full set of vital signs, comfort measures, taking a detailed history, head-to-toe assessment and inspection of posterior surfaces
B) Full set of vital signs, allergies, mechanism of injury, physical assessment, administration of fluids and analgesia
C) Spinal immobilisation, full set of vital signs, administration of oxygen and analgesia, blood tests
D) C-spine and spinal immobilisation, full set of vital signs, head-to-toe assessment, inspection of posterior surface