Can a person take out 2 school loans?

I took out a loan for 00 to go to school to become a medical assistant. I am now finished with school and am paying my loan back now. But I want to take out another loan so I can attend college to further my career in the medical field by becoming a registered nurse. What I would like to know is that although I took out a loan for 00 to attend school and have not finished paying it all off yet, will I still be able to take out another loan to go to college to become an RN? Or will I need to pay back the 00 first before I can take out another loan?

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