I have b1/B2 multi 5 yrs visa. I am BN graduated with 3 yrs experiences in nursing field from Nepal. Now i am in US/ dc and i have only 3 months visa stamp from Airport. Please anyone can give me the right suggestion, how can i apply the RN for US or other possible alternatives. How i have to extend visa or convert into H1 or student visa?? what happen the visa and other legal status if court marry with Greencard resident in US? 

How much cost approx. cost for  RN exam. Does it need any sponsor or publications or TOEFL scores. Is there any web links of online nursing exam test modules or e-books?

What happen if i have  overstay in multiple visa??? will my 5 yrs visa cancel.

Due to many BN failed license exam in India center so i want to give it here but......

Please help me.

thanks to all Nepalese community.