Actually it’s not, quarantining in the same room is exactly the same as no quarantine.
Quarantine needs to be done in another room , and you should always work with your establish animals first and the new addition last.
Vet checkup while recommended do not mean quarantine should be bypassed or cut short as some issues can appear later on even if a clean bill of health was originally given by a vet.
Here is a good thread on quarantine procedures http://www.ball-pythons.net/forums/s...ght=quarantine