The antibiotic Tetracycline, 30 g was used in a Kirby-Bauer test, and the zone of inhibition was found to be 12mm. From the pdf, what is your interpretation of this result?
a. The bacteria are resistant to Tetracycline.
b. The bacteria are intermediate to Tetracycline.
c. The bacteria are susceptible to Tetracycline.
d. The result cannot be interpreted without additional information.