To keep a victim of severe internal bleeding from going into shock, keep him calm until EMS arrives.
Don't make them speak, but speak to them. If they speak, the movement of their lungs could make the bleeding worse. So could any movement. And if they were upright, the bleeding could cause even more damage.
C is not a response of stress.
This is confirmed to be True.
Efferent Nerves send signals to your brain to move your muscles.
The answer is C)
Backflow prévention device
