Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 6MCQ
The data were obtained from a use-dilution test comparing four disinfectants against Salmonella choleraesuis. G = growth, NG = no growth
6. Which disinfectant is the most effective?
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Which disinfectant is the most effective? and why?
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Examine the given sets of table below. Which disinfectant is the MOST recommended? Support and Justify your answer.
Table 2. Phenol Coefficient of Test Disinfectant
Name of disinfectant
Growth after 5
minutes
Dettol
Phenol
Name of disinfectant
Z-germicSide
Phenol
Name of disinfectant
Jik
Phenol
KEY:- = No growth, + = Growth
Dilution
1:100
1:125
1:150
1:175
1:200
1:95
1:100
1:105
1:110
1:115
Dilution
1:100
1:125
1:150
1:175
1:200
1:95
1:100
1:105
1:110
1:115
Dilution
1:100
1:125
1:150
1:175
1:200
1:95
1:100
1:105
1:110
1:115
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Growth after 5 mins
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Growth after 5 mins
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Growth after 10
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Growth after 10
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Growth after 10
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Growth after 15
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Growth after 15
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Growth after 15
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Chapter 7 Solutions
Microbiology: An Introduction
Ch. 7 - The thermal death time for a suspension of...Ch. 7 - If pasteurization does not achieve sterilization,...Ch. 7 - Thermal death point is not considered an accurate...Ch. 7 - Prob. 4RCh. 7 - DRAW IT A bacterial culture was in log phase in...Ch. 7 - How do autoclaving, hot air, and pasteurization...Ch. 7 - How do salts and sugars preserve foods? Why are...Ch. 7 - Prob. 8RCh. 7 - A large hospital washes burn patients in a...Ch. 7 - Prob. 10R
Ch. 7 - Which of the following does not kill endospores?...Ch. 7 - Which of the following is most effective for...Ch. 7 - Prob. 3MCQCh. 7 - Which of the following cannot be used to sterilize...Ch. 7 - Prob. 5MCQCh. 7 - The data were obtained from a use-dilution test...Ch. 7 - The data were obtained from a use-dilution test...Ch. 7 - Prob. 8MCQCh. 7 - A classmate is trying to determine how a...Ch. 7 - Which of the following is most likely to be...Ch. 7 - Prob. 1ACh. 7 - For each of the following bacteria, explain why it...Ch. 7 - A use-dilution test was used to evaluate two...Ch. 7 - To determine the lethal action of microwave...Ch. 7 - Entamoeba histolytica and Giardia lamblia were...Ch. 7 - Between March 9 and April 12five chronic...Ch. 7 - Prob. 3CAE
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