I have before but usually I don't have more than one major concern

Do you mean go see them about more than one health concern? I would hope so.

Yes, of course. It's absurd that you can't.

I can ask Dr Google many things!

Technically yes, but not every doctor likes that.

I have no idea, I don't remember if I've ever tried. But I would think so? I mean, what's the doctor gonna do, say "sorry, I can't help you with that second problem, you're SOL"? People working for you aren't really that rude in America..

It's generally frowned upon. At least for minor concerns or when the practice is busy.

Usually I do. Is that different with the NHS now? I remember being a patient in England was quite good but it's been some years ...