<prompt> A child presents with a white patch over the tonsils; diagnosis is best made by culture in:Loeffler mediumLJ mediumBlood agarTellurite medium  <response>: In the child presenting with a white patch over the tonsil, we suspect a diagnosis of diphtheria. Usual media used for cultivation of Diphtheria are Loefflers serum slope tellurite blood agar. Ref: Text Book of Microbilogy By Ananthanarayan, 6th Edition, Page 215 and 8th Edition, Page 233 