<prompt> A dairy farmer presented to the dermatology OPD with an ulcer with central black eschar over the forearm .Which of the following media will be used as selective medium for the growth of responsible organism?PLET mediumAshdown mediumCasteneda mediumThayer main medium  <response>: Based on the profession of the person and clinical description of the lesionits most likely cutaneous anthrax the most common form of Anthrax and a selective medium used for it is PLETpolymyxin-lysozyme-EDTA-thallous acetate medium. Neisseria meningitidis Thayer main medium B.pseudomallei Ashdown medium Brucella Casteneda medium Reference: Ananthanarayan and Paniker;s Textbook of Microbiology Tenth edition 