Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan

تمرين 2

Critical thinking is the ability to reason and solve problems using facts and concepts. These questions can be approached from a number of angles and, in most cases, they do not have a single correct answer.
You are working for the county health department this summer, and your job is to regularly survey the local beaches for microbial contamination.
a. Describe the tests you may use to analyze the water quality in these recreational areas.
b. You identify high levels of Enterobacter species in a sample one day. Summarize how you will convey this information to the beach supervisor who asks, "Are we shutting down today "
c. Explain why there is little tolerance for fecal coliforms in drinking or recreational water.