Final answer:
The priority intervention is to assess the client every 30 to 60 minutes and release the restraints every 2 hours to monitor their condition and ensure comfort.
Step-by-step explanation:
The priority intervention for an older adult client in physical restraints is to assess the client every 30 to 60 minutes while releasing the restraints every 2 hours. This ensures that the client's physical condition and comfort are regularly monitored and allows for relief of pressure and repositioning to prevent complications such as skin breakdown and decreased circulation.