Problem 1: What are the three mechanisms by which disinfectants work? Describe.
Problem 2: Which microbes are most susceptible versus most resistant to disinfectants? Why?
Problem 3: What are the factors that influence the size of the zone of inhibition of an antibiotic when employing the Kirby-Bauer method? How can this method determine if an antimicrobial agent is bactericidal or bacteriostatic?