Multiple Choice
Which of the following is not an example of the body's first line of defense against infection?
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21. The Immune System
Introduction to First-Line Defenses
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Which of the following is suitable for use on tissues for microbial control to prevent infection?
A
Sterilants
B
Antiseptics
C
Preservatives
D
Disinfectants
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Understand the definitions of each term: Sterilants, Antiseptics, Preservatives, and Disinfectants.
Sterilants are agents that destroy all forms of microbial life, including spores, but are typically too harsh for use on living tissues.
Antiseptics are substances that inhibit the growth and development of microorganisms on living tissues, making them suitable for preventing infection on skin or wounds.
Preservatives are chemicals used to prevent the decomposition of biological materials, often used in food or pharmaceuticals, not directly for microbial control on tissues.
Disinfectants are chemical agents used to destroy or inhibit the growth of harmful microorganisms on non-living surfaces, not suitable for use on living tissues.
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