Anurse is caring for a client with severe depression. the client reports changes in appetite and sleep pattern and has lost her job because of the effects of her depression. the client has two young children at home and states, "i just wish things could be like they were. i feel so that i can't even get out of bed in the morning." the physician has ordered electroconvulsive therapy (ect) for the client in addition to her current antidepressant medications. a nurse evaluates the ect therapy as effective when the client: