JUNE 2004 QUIZ OF THE MONTH . . . It has been postulated that a pathogenic immune response may play a role in damage to the site of some prosthetic hip replacements leading to loosening of the prosthesis. Which of the statements about such immune reactions is most appropriate? The immune reaction is directed against metallic components The immune reaction is directed against plastic components The immune reaction is induced by the ceramic material used in the prosthetic cup The immune reaction in the hip is accompanied by asthmatic symptoms Think you have the answer? Click here to find out if you're right! Please tell us what you think of this site. © Copyright 1997-2008 American Academy of Allergy, Asthma & Immunology All rights reserved