Questions: 1) In your opinion should the ambulance service respond to each call quickly
2) If the ambulance had responded every time, what affect would this have the service that they provide to others?
3) Identify what makes the actions taken by the ambulance service prudent? How did the offer a more practical service to Lucy?

It would be answer choice b (1975)

Ithink it's traditional 

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.