User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-11560977-20130927114500/@comment-22748142-20130927203244

fewer, some will be replaced by other monster part.

Kinda like free hunt, and yes , you can create the quest and then send them to other player via the 3DS street pass function. I don't know how to create the quest.