First, thanks for your post on the other thread. I hope you enjoyed meeting the authors. They were thrilled to be there. If you have any other ideas on how LWW can give back to students, let me know.
Buzzwords is a great book for the end of the day when you are too tired to do "real" studying, or you have a couple of minutes. Think of the question part of Buzzwords as the stems (the stem is the question part of a clinical vignette) on the clinical vignettes that you'll see.
If you use the book a couple of minutes here and there, I think you will find that you can go through it twice in four weeks. It will help reinforce key concepts. This should not replace any of your other sources of questions like medrevu, Q-bank or the NMS or Board Simulator books.
If you study with a group, it also make a good way to quiz each other.
-Scott