Final answer:
Factors that might warrant a call for air medical service include uncertainty over serious fire or hazard, potential for extreme physical danger, and suspicion of influenza.
Step-by-step explanation:
Factors that might warrant a call for air medical service include:
- The presence of uncertainty over serious fire or hazard after an alarm.
- Potential for extreme physical danger.
- John's illness being suspected to be an influenza (flu) case.
- Regret over not receiving a flu vaccine.