My son was riding his bicycle and moved into the left side of the road to turn left. A car going straight hit him and now suing

Unclear who was at fault based on the post.

Since she won't testify it will depend on what other witnesses reported, what the police observed and any other evidence that they may have in...

Are we able to sue?

What happened to your Dad without the oxygen?

How are workman's comp lump sum settlements affected in cases where some of the bills for treatment were paid by Medicaid?

Medicaid paid bills for injuries which lump sum payment is to cover must be paid back as statutory lien. Consult your workers compensation...

UIM coverage usually is limited for your benefit when you are injured in an accident with an underinsured party.

Malicious prosecution,abuse of power, and dont know any other legal terms

Injury not clear from post. If there are damages speak to local counsel in detail to see if they will accept your case for representation.

I was involved in a wreck with a person that had a suspended license? is it my fault?

Generally since you were switching into your left lane you had a duty to ensure it was safe to do so,. Going 15 MPH while switching into the left...

Inaccurate medical opinion that leads to unnecessary medical examination.

No harm no foul. Not a case that any malpractice attorney would consider taking.

Would I need a labor or a workman's comp lawyer if I did not receive the correct amount of money from workman's comp?

Speak to your workers compensation attorney.

(Part 2/EDITED for detail) Would this be a case for public humiliation/emotional distress?

If your spouse was traumatized he should seek medical care and treatment and then seek local legal representation for the ordeal you describe.