<prompt> Which of the following is a Small Vessel Vasculitis:Polyaeritis Nodosa PANMicroscopic polyangitisGiant cell vasculitisTakayasus Disease  <response>: Answer is B Microscopic polyangitis: Miscroscopic Polyangitis Microscopic Polyaeritis is classified as Small Vessel Vasulitis Polyaeritis Nodosa PAN is classified as Medium Vessel vasculitis, while, Giant cell vasculitisTemporal and Takayasu disease are both classified as Large Vessel vasculitides. 