She cannot go wrong disclosing that someone filed a visa petition for her husband.

No, a no objection letter does not work for a medical J1.

Only the principal beneficiary can get humanitarian reinstatement. Not a derivative beneficiary. Check if you qualify for 204(l) instead.

You can file as many applications as you wish. Once you are approved, the remaining application will be denied as moot.

An I-130 does not extend someone's status in the U.S. There is no need for the beneficiary to be in the U.S., and she can get the visa issued in...

File form I-130. Takes 2 plus years. Upon approval the visa goes to the National Visa Center. You pay more fees and file forms with them. They...

No, you are allowed to be divorced.

Form I-485 is an application for a green card. If your receipt for the 485 says a card it being produced, it means a green card.

At most you can get six months for your extension. If that will leave you out of status, then you need to file for another extension.

You are not required to be in the U.S. at all, and you can be outside of the U.S. for well over 180 days and still return on your H1b.