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

Exercise 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.
a. Explain why desiccation and cold are not reliable methods of disinfection. Discuss how food poisoning can occur through the consumption of frozen food that has been properly stored prior to thawing and cooking.
b. Lack of refrigeration on the battlefield makes milk hard to come by. Describe the microbial control method that can allow soldiers to have cream in their coffee and milk on their cereal each morning.