- immediate care given to casualty injured or ill prior to arrival of hospital
- immediate care given only to unconscious casualty prior to arrival hospital
- immediate care given only to ill person prior to arrival to hospital
- None of the above
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)