Which of the following technologies would be most useful in determining whether you are staying within your target heart rate zone during a workout?

a. bathroom scale
b. calorimeter
c. wrist and chest monitor
d. pedmeter

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.

Answeraddiction; i know this to be true: )