All her monthly income is subject to be used for her copay or SOC (share of cost) required by Medicaid.
If she has any recurring debts - like credit cards, life insurance policy payment, auto or property costs - all those she will default on unless family want to pay for them out of a sense of familial duty on her behalf.
If Medicaid is paying for her care the answer is yes. Since I knew my Mom would be in the NH for the rest of her life, I allowed the NH to become payees for her SS and pension.
If she has any recurring debts - like credit cards, life insurance policy payment, auto or property costs - all those she will default on unless family want to pay for them out of a sense of familial duty on her behalf.