are various medical reports that are filed in the medical records with tabs that label the source, such as lab, x-ray, consultations, and special studies

Dang it i was gonna answer but yeah its c

Blood transfusions were rarely done and often fatal; they were outlawed until the nineteenth century.

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.