Your goal for this discussion is to focus on the moral issues facing nurses. You can write from your own experience or from that of people you know, or you can find cases set out in other places. I suggest using one of the cases here:
https://www.netce.com/casestudies.php?courseid=1939
You could also look at https://www.reddit.com/r/Nurses/ or https://www.reddit.com/r/nursing/
You should also bring what you have learned in the course to your discussion.
You get credit for originality; just repeating points already made by others means you get less credit.