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

Exercise 7

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.
a. Discuss the factors that influence an antimicrobial agent's ability to completely remove microbial contaminants from dentures used on a daily basis.
b. Improper cleaning of endoscopes has led to the transmission of hepatitis C infection among patients given colonoscopies at the same facility. Develop one hypothesis to explain how the virus may have persisted and remained infectious.