There are dozens, even hundreds of questions you will have when you first get an inclination that you may have dementia.
How did I know? Because this disease is not like you can't find your car keys, or you misplaced you purse, or perhaps you can't remember what time a meeting is.
What do you do? Before your diagnosis, you need to get long term health care insurance. You can get this very reasonably and can be canceled if you do not have dementia.
But, the main thing is try to remain calm. As calm as possible.
If you are a caregiver, take one day at a time. Don't worry about what things may bring in a month, or six months or even an year.