Is this malpractice, negligence or nothing ?

Consult with an attorney.

Tis would be very difficult, if not impossible to do. I am sorry for you situation.

I was a passenger in bad hit&run accident,no ins on car I was in and have tons of medical bills, what can I do?

Mr. LaBore has given you some good advice. He is very knowledgeable in this area of the law. I would consider talking with an attorney who could...

Is it 30 business days or regular days(weekends included) to appeal arbitration?

Calendar days.

When I sign a release form to settle under my uninsured motorist claim does that include PIP as well?

Have the release reviewed by a lawyer.

Can I do lawsuit against Veternarian that had my cat on IV fluid for kidney failure over night no staff watch cat died alone?

I am sorry for your loss. It would be very difficult to pursue such a claim.

Had dental work done May 2012, a crown lengthening ,he had to section my lower bridge. Now my bridge has snapped is he liable

I agree with the others - these cases are very difficult to prove and very costly.

I just had surgery for endometriosis from a c-section I had 12yrs ago. It's was 5cms. can I sue?

I would say from the facts you set forth, no.

Just got into an accident, I have no license and found out that the car has no insurance. Am I completely at fault ?

What you need to do is to consult with an attorney. Set up a meeting to to discuss the specific facts with an attorney in your community.

I hit a pole with my friends truck. He let me borrow it and it has been over a month and he hasn't told me what he wants to do.

Paying the $1,000 seems like it would be the right thing to do for your friend.