Disinfectant Concentration Growth after time of exposure (minutes) Control 5 minutes 10 minutes 15 minutes Sodium hypochlorite 5% Sodium hypochlorite 0.05% Alcohol 70% Alcohol 40% Iodophor (Betadine) 10% solution Mouthwash Cetylpyridinium Chloride - 0.075% Sodium Fluoride - 0.05%
Disinfectant Concentration Growth after time of exposure (minutes) Control 5 minutes 10 minutes 15 minutes Sodium hypochlorite 5% Sodium hypochlorite 0.05% Alcohol 70% Alcohol 40% Iodophor (Betadine) 10% solution Mouthwash Cetylpyridinium Chloride - 0.075% Sodium Fluoride - 0.05%
Chapter15: Antibiotic Agents
Section: Chapter Questions
Problem 20RQ
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Question
Disinfectants and Sterilization Procedures
Complete the table by putting (+) for growth of microorganisms or (–) absence of growth of microorganisms.
Disinfectant |
Concentration |
Growth after time of exposure (minutes) |
|||
Control |
5 minutes |
10 minutes | 15 minutes | ||
Sodium hypochlorite |
5% |
|
|
|
|
Sodium hypochlorite |
0.05% |
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|
|
|
Alcohol |
70% |
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|
|
|
Alcohol |
40% |
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|
|
|
Iodophor (Betadine) |
10% solution |
|
|
|
|
Mouthwash |
Cetylpyridinium Chloride - 0.075% Sodium Fluoride - 0.05% |
|
|
|
|
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