Which of the following statements best defines first aid? a. first aid is treatment given at the time of an injury. b. first aid is treatment given at the location of an injury. c. first aid is treatment given at the time and location of an injury. d. none of the above

The answer would be C. First aid is treatment given at the time and location of an injury. 

The definition of first aid is to provide emergency treatment as soon as possible. It aims to preserve life, prevent further injury and promote recovery. This treatment is done before full or regular medical treatment is provided.