The status of open for an airline flight may mean they have open seating available. This is a way for passengers to see what kind of space is available.
You may receive Medicaid regardless of your Social Security status.
Medicaid/nursing home status does not excuse one from paying taxes.
It is possible for an alien to have Medicaid if the alien is here legally and has met additional requirements such as refugee status and/or minimum length of stay in the U.S.
Medicaid is a program for low-income persons who meet certain other requirements such as age or disability and citizenship/alienage status. A Federal employee who meets those requirements may receive Medicaid.
"Dual eligibility" means exactly that - eligibility for both Medicare and Medicaid.
You can get Medicaid if you are pregnant, even if you have insurance, if you meet the other factors of eligibility including citizenship/alien status and limited financial resources.
That the case has reached its end stage and can go no further. It is not an "open" case, but neither is it declared "closed."
The stimulus plan gives hundreds of billions of dollars to Medicaid. As far as how that money will be spent is as yet to be seen.
You can check PNR Status, just open PNR Status and put your PNR number and get status of that ticket.
If you mean, "illegal aliens," the answer is no.
Medicaid will pay for root canals, partials, crowns, etcetera regardless of state and pregnancy status. There are only specific offices that offer these treatments for medicaid patients, though, so make sure you visit an accredited dentist that accepts this form of payment.