Hi, Dan ...
I've never worked as a ship's doc but I've met a number of them over the years. Happily, all the meetings except one were social.
No doubt Paul Motter will be by soon with his unique insights about working on a cruise ship. (He doctored electronics.)
In the meantime, cruise over to my website <http://happysails.com> , click on Sea Cloud under the "ships" title, and scroll through the story to part three to see Sabine, the ship's doc, rocking. Go a little further to see her hard at work and a photo of what may be the world's smallest sick bay.
Good luck on your interview !!!
pamda -- CruiseMates First Time Cruiser Hostess