Which type of work schedule may permit working different hours on different days within an available range of hours?
a.
swing shift
b.
flextime
c.
job sharing
d.
staggered hours

Pe.dometer would be the most useful to you for monitoring heart rate.

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.

Das well as e and possibly b.