“Probably”

Vaguely ask and you shall receive: https://imgur.io/gallery/YPHY0

No love for “H”? (I know it didn’t appear until the Gameboy game, but I basically exclusively play Contra III, so…)

Depends on if it’s a credit to redeemed later or an immediate thing…

…or like “start prepping the moment you get home for the next one” sort of thing…

Could be pretty okay if you need regular colonoscopy, or it could be Hell; depends on the timing.

In the US, universities have a significant number of graduate degrees along with undergraduate degrees while colleges offer (almost) exclusively undergraduate degrees. My alma mater became a university shortly before I started because they started offering enough graduate degrees.