WEEK 6 DISCUSSION 2071 MICRBIOLOGY LAB

The discussion assignment provides a forum for discussing relevant topics for this week based on the course competencies covered.

To support your work, use your course and text readings and also use outside sources. As in all assignments, cite your sources in your work and provide references for the citations in APA format.

Start reviewing and responding to the postings of your classmates as early in the week as possible. Respond to at least two of your classmates. Participate in the discussion by asking a question, providing a statement of clarification, providing a point of view with a rationale, challenging an aspect of the discussion, or indicating a relationship between two or more lines of reasoning in the discussion.

Disinfectants and the Kirby-Bauer Method

Using the South University Online Library or the Internet, research about disinfectants and the Kirby-Bauer method. Based on your research, respond to the following:

Based on your research, respond to the following:

• What are the three mechanisms by which disinfectants work? Describe.
• Which microbes are most susceptible versus most resistant to disinfectants? Why?
• 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?

Submission Details:

• Post your response to the Discussion Area by the due date assigned. Respond to at least two posts by the end of the week.