Final answer:
The next recommended action for an unresponsive victim of foreign-body airway obstruction is to start CPR with compression.
Step-by-step explanation:
If a victim of foreign-body airway obstruction becomes unresponsive, the next recommended action, after sending someone to activate the emergency system, is to start CPR, beginning with compression. Performing abdominal thrusts, otherwise known as the Heimlich maneuver, is not recommended for an unresponsive victim as it may cause further harm. Blind finger sweeps should also be avoided as they can push the object deeper into the airway. Instead, starting CPR immediately is crucial to provide oxygen to the brain and vital organs.