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Microbial Decontamination: Processes, Targets, and Chemical Agents

Explore the processes and targets involved in microbial decontamination, as well as the effectiveness of different chemical agents. Learn about the contributions of Sir Joseph Lister and the use of physical agents for degermination and sterilization.

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Microbial Decontamination: Processes, Targets, and Chemical Agents

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  1. Chemicals Physical Agents Microbial Control Vocab Microbial Targets Deconta-mination More Chemicals 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 FINAL JEOPARDY!!

  2. Decontamination 100 What is the process that either destroys or removes contaminants?

  3. Decontamination200 What is a contaminant? Give a microbe example.

  4. Decontamination 300 The two main categories of decontamination.

  5. Decontamination 400 Why is the ultimate goal of sterilization the destruction of endospores?

  6. Decontamination 500 Who was Sir Joseph Lister? What was his specific contribution?

  7. Microbial Targets 100 What are the four main targets?

  8. Microbial Targets 200 What are some of the ways that microbial agents can target the cell wall?

  9. Microbial Targets 300 Why is it totally safe for us to have an agent that targets the cell wall?

  10. Microbial Targets 400 How is the cell membrane targeted through microbial control agents?

  11. Microbial Targets 500 What is it called when a protein’s shape is changed by either a physical or chemical control agent?

  12. Microbial Control Vocab 100 Which is the strongest type of microbial control agent?

  13. Microbial Control Vocab 200 Why would a sporicide be considered a sterilant?

  14. Microbial Control Vocab 300 Putting food in the refrigerator would be an example of what type of agent?

  15. Microbial Control Vocab 400 What is the difference between a microbicidal and microbistatic agent?

  16. Microbial Control Vocab 500 Which of the following are used on animate objects? Inanimate objects? * Sterilant * Disinfectant * Antiseptic * * Sanitatary agent * Degermation agent *

  17. Physical Agents 100 Flaming the inoculating loop would be an example of what type of physical agent?

  18. Physical Agents 200 This picture is an example of what type of physical agent?

  19. Physical Agents 300 How does radiation work? What does it target?

  20. Physical Agents 400 What is a limitation of using heat as a microbial control agent?

  21. Physical Agents 500 How does an autoclave work? How does it affect the boiling point of water?

  22. Chemicals 100 In general, are chemical agents more or less reliable than heat?

  23. Chemicals 200 List two factors that will affect the activity of chemical agents

  24. Chemicals 300 How do alcohols work?

  25. Chemicals 400 What are the two halogens that work as chemical agents?

  26. Chemicals 500 What is a limitation of each of the halogens that serve as chemical agents?

  27. More Chemicals 100 Why is ethylene oxide used with caution?

  28. More Chemicals 200 Which two heavy metals are commonly used as antimicrobials?

  29. More Chemicals 300 Lysol and Triclosan fall into what category of chemical agents?

  30. More Chemicals 400 What type of chemical agent makes ·OH radicals that will shred a cell membrane?

  31. More Chemicals 500 Why are Quats less effective if they are anionic than cationic?

  32. Final Jeopardy • List the three categories of effectiveness of chemical agents of microbial control AND give an example that would fall into each category.

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