Clarifications re: Bridging Program in AU and AHPRA

Hello, I'm new and would love more informationregarding nursing in Australia, specifically about bridging programs. I've reada number of very useful forums here and am now sifting through AHPRA and DIACposts/forms/documents as recommended. But I do have some questions on a fewmore things, please bear with me :)

Here they are:

1. Does having a relative who's a permanent resident in AU (sponsor) help with the chances of approval for a student visa or getting into a university/TAFE or is it both?
   
2. Will RN conversion program be more useful to someone like me, whose nursing experience was limited to 6months volunteer work then almost 2 years of not working as a nurse not to mention not having an IVT versus taking a bridging course? (BTW, if anyone has further information on RN conversion, can you please tell me more about it).
   
3. Is it better to mail required documents to my relatives who will submit it in person to the nearest AHPRA office?
   
4. The IELTS results will arrive at AHPRA's office separately, right? I'm a bit paranoid regarding lost documents, AHPRA will know how to organize each and every application even though the IELTS doc arrives later/earlier, is that correct?
   
5. Re: AHPRA form AGOS-40...this is for overseas RN's right?
   

• For questions 4 & 5, do they mean residential and working address of the place you plan to live in/work in AU?
  
• From Section D, is the Certificate of Registration Status/Certificate of Good Standing come from the PRC?
  

I'll be uber grateful to anyone who can provideme answers for these