Final answer:
Yes, using a barrier device when performing mouth-to-mouth resuscitation is recommended to prevent disease transmission and ensure safety.
Step-by-step explanation:
True, for your protection, you should always utilize a barrier device when attempting mouth-to-mouth resuscitation with an unresponsive adult. These devices are designed to prevent the transmission of infectious diseases between the rescuer and the victim. It’s critical in providing safe and effective care during an emergency situation.