Nursing skills can be very overwhelming, however a little introduction & exposure can go a long way. I truly hope that you find these videos & nursing exam style questions helpful.
Here NCLEX (Nursing exam style) quiz, see below for video without music.
Here is the NCLEX style questions related to port a cath:
Here is the video without music accessing a port-a-cath:
Here is the video without music deaccessing a port a cath: