Ok, found the source: "Trailer Trash Nurses 6"... dunno which scenes this is from, though.Also, nurse thread.
I have that vid, rapidsearch for nursecare
here be torrenthttp://www.pinktorrent.com/torrent/909184/Trailer_Trash_Nurses_6_2002
http://rapidsearch.yi.org/?s=Trailer+Trash+Nurses+6