Multiple Choice
In the context of an introduction to microbiology, what would most likely result from an invasion of microorganisms into normally sterile body tissues (as indicated by the arrow in a diagram)?
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1. Introduction to Microbiology
Introduction to Microbiology
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Which of the following defines the process of sterilization?
A
The complete removal or destruction of all forms of microbial life, including spores
B
The reduction of microbial population to safe levels
C
The use of chemicals to inhibit or kill pathogens on living tissue
D
The removal of visible dirt and debris from surfaces
Verified step by step guidance1
Understand the definition of sterilization in microbiology: it refers to the process that eliminates all forms of microbial life, including bacteria, viruses, fungi, and spores.
Compare sterilization with other related terms: for example, disinfection reduces microbial populations to safe levels but does not necessarily kill all spores, while antisepsis involves using chemicals on living tissues to inhibit or kill pathogens.
Recognize that cleaning (removal of visible dirt and debris) is a physical process and does not necessarily kill or remove microbes.
Identify that sterilization is the only process among the options that ensures complete removal or destruction of all microbial life, including the most resistant forms like spores.
Conclude that the correct definition of sterilization is 'The complete removal or destruction of all forms of microbial life, including spores.'
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