Among the general methods of decontamination, the one almost never used by EMS personnel is:

When an emergency call requires another person in the office to call 911, after relaying the immediate information to EMS, you should not:

A) hang up once the caller understands that help is coming B) give the caller appropriate specific instructions in relation to the situation C) reassure the caller that EMS is on the way D) try to stay calm and support the caller until EMS arrives

Which term best defines the following formula?All new and preexisting cases of a specified disease during a given time period divided by the total population during the same time period×1,000

A. Prevalence rate B. Incidence rate C. Both a and b D. Neither a nor b