I am a donor and the majority of the clinic does not need 4 yrs of University. Anyone can ask the questions and do you really think they care after about the first week. if they have concerns refer you to THE nurse or supervisor.
I have had blood taken and most lab techs or medics do better thsn a nurse who doesn't have the venipuncture course or constant practice. If the hospitals are short direct the RNs there.
So RN don't like the shift work as they have families. CDS is mostly 9-5 Mon to Fri
I get insulted with the same old stupid questions if I had sex in Chad even once since 1985. Well there was that one night OK I was drunk but I wore a condom. So much time is wasted with the questionaire, I get asked for ID at least 4 times and I go to the same place and only there, Put a picture on my blood donors card.