Neutron radiation is commonly used in commercial and industrial operations.

What is the step of extrication that begins at dispatch and continues throughout the incident?

A. Size-up B. Stabilizing the vehicle C. Securing the electrical system D. Securing passenger safety systems

You initiate positive pressure ventilations with a bag-mask device on an 82-year-old patient who is in respiratory arrest. After two breaths, you cannot observe chest rise when you squeeze the bag. This finding most likely indicates:

A. your artificial ventilations are inadequate. B. your artificial ventilations are adequate. C. this patient has a chest injury. D. less volume is needed when administering the breath.