Answer:
A. airway, breathing, and circulation
Explanation:
First aid is the term used to describe a set of techniques where interventions are established quickly, so that it is possible to help a patient who has suffered an accident or sudden illness. The primary purpose of first aid is to prevent the patient from suffering severe irreversible damage before specialized help arrives.
A term used within first aid is "ABC" which means the main factors that must be observed in a victim, each letter corresponds to a factor that are: airway, breathing, and circulation
