Question

Zone Size Interpretive Chart Inbibition Zone Diametor ( Symbol/Potency AM 1loug 13 or less eram negative AM 1oug 28 or less sensitive microbes) CB 10oug 19 or less20-22 23 or mare Proteus sp or Escherichia coli) CB 100ug Carbenicillin 14-1617 or more 13 or less 14or ls 15-17 1 or mae CAZ 30ug 15-1718 CF 30ug I5-17 Cephalothin 14 or less C 30ug 13-17 18 or more Chlo 12 or less E 15ug 14-17 18 or more Erythromycin 13 or less GM ioug 14-1718 or more 13 or less K 30ug Kanamycin 14 or more 10-13 ME Sug Methicillin 9 or less 21 or more 20 or less Penicillin G (when testing staphylocooci) 22 or more 11 or less 22 P 10 units Penicillin G (whon testing other organisms) 17 or more 13-16 12 or less Go.25 250ug Sulfsoxazole 17 or more 13-16 12 or less Streptomycin S10 10ug 17 or more 12-16 12 or less Sulfonamides ST 300ug 15 or more 13-14 12 or less Tobramycin NN 10ug 10 or less 15 16 or more Trimethyloprim sulfomethoxazole SXT 23ug 12 or less 1216 17or more 14 or less 15-18 19 or mo Tetracycline 9 or less 10-11 12 or me Vancomycin VA 30ug

Answer 1

46. The size of zone of inhibition is C ) 14 mm or more . Zone of inhibition is the area around the spot where bacteria don't grow .

47 . The correct option is A) sensitive . If the bacteria are sensitive to the antibiotic, a clear ring, or zone of inhibition, is seen around the wafer indicating poor growth.