It may be beneficial to find out from the Dr. which facility he/she would like to place your partner in, then contact the hospital and ask if you can speak to someone who can explain what is available to your partner.
If your partner does agree to being admitted, then I would be attending the facility as soon as is possible to further ask what is available and to try to ensure these things happen.
It may also depend on the individual persons needs as to what care and assistance they receive.
I was admitted once to a mental health facility in S.A. I was mainly offered food, rest, medication and an opportunity to not have to worry about the outside world for a couple of weeks. There was minimal mental health assistance in the facility I was in.
That was a few years ago, so it may well be different now. I am sure each facility works differently.
All the best with getting the help your partner needs. A stay will provide an opportunity for your partner to be cared for and monitored at least.
Cheers from Dools