Final answer:
An unusual lack of activity at the scene may signal impending violence against the EMT. Signs of impending violence are not always obvious, but can be identified if you know what to look for. It is not accurate to say that you do not need to worry about violence at an emergency scene once the police have secured it.
Step-by-step explanation:
In regard to the potential for violence at the scene of an EMS call, it is important to be aware of certain signs and indicators. A. An unusual lack of activity at the scene may signal impending violence against the EMT. This means that if there is an absence of normal activity, it could be a warning sign of potential violence. B. Signs of impending violence are not always obvious, but can be identified if you know what to look for.
It is important to be knowledgeable about common warning signs such as intimidating behavior, threats, and radical changes in behavior. C. It is not accurate to say that you do not need to worry about violence at an emergency scene once the police have secured it.
While the police presence may help to mitigate the risk, it does not eliminate the potential for violence. D. The chance for violence at emergency scenes is not very low. Emergency scenes can be unpredictable and there is always a potential for extreme physical danger.