working as a provider, finished a correspondecs course in nurses assistant, paid by me, i sked how to become certified in oklahoma and don't get answers, i'm told i don't have to be certified, im just a provider. i haved been working for 1 1/2. 1 year was 7 days a week. i can't take nigt courses, 3 kids and hubby works nights. can i go to wherever and take test or start all over again?