Multiple Choice
Which of the following practices can help prevent cross-contamination in a laboratory or clinical setting?
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11. Controlling Microbial Growth
Introduction to Controlling Microbial Growth
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Which of the following represents the second level of infection control in microbiology?
A
Disinfection
B
Sterilization
C
Sanitization
D
Antisepsis
Verified step by step guidance1
Understand the hierarchy of infection control methods, which are generally categorized into three levels: sterilization, disinfection, and sanitization/antisepsis.
Recognize that sterilization is the highest level of infection control, aiming to destroy all forms of microbial life, including spores.
Identify disinfection as the second level, which reduces or eliminates pathogenic microorganisms on inanimate objects but may not destroy all spores.
Note that sanitization refers to reducing microbial numbers to safe levels, often on surfaces, and antisepsis involves applying antimicrobial agents to living tissues to prevent infection.
Conclude that among the options given, disinfection correctly represents the second level of infection control.
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