Which of the following is the MOST reliable indicator of a fractured spinal vertebra?

Pretty sure this would be b. the rest are trick questions. the bystanders  won't go near you if u have cpr cuffs that could hurt them. the dog will back off because the sound will scare him. and the vomits just a stupid trick. if there is that much slober and vomit on the guy hes either choking on it, or just take off his shirt. 

Ibelieve this is a true statement. i hope this ! : -)

Your answer is b. centers of disease control and prevention. the description is in the name of the agency. : )