You and another lifeguard are preparing for cpr on an adult who collapsed in the locker room. you determien that there is no breathing or pulse and state, "victim has no pulse. begin cpr." which of the follwoing should the other lifeguard do next? a.) check for breathing b.) give 2 ventilations c.) begin chest compressions d.) open the airway

Stimulants speed up the central nervous system.

Unlike  ct scans, which use x-rays,  mri scans  use powerful magnetic fields and radio frequency pulses to produce detailed pictures of organs, soft tissues, bone and other internal body structures.  differences between  normal and abnormal tissue is often clearer on an  mri  image than a  ct.you can see more with a mri scan. for example on an mri you can see internal bleeding.