Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 7, Problem 10MCQ
Which of the following is most likely to be bactericidal?
- a. membrane filtration
- b. ionizing radiation
- c. lyophilization (freeze-drying)
- d. deep-freezing
- e. all of the above
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what term best describes swabbing the skin with alcohol?
a.bacteriostasis
b. degerming
c. sterilization
d. sanitization
e. none of the above
1.
a. Disk A
b. Disk B
c. Disk C
d. Disk D
2.
a. Strip A with MIC at 0.25 μg/mL
b. Strip B with MIC at 0.064 μg/mL
c. Strip C with MIC at 0.075 μg/mL
d. All of the strips show equal antimicrobial efficacy
Which of the following is NOT a property of an antimicrobial agent?
a. Must have a known concentration over a period of time required to eliminate a pathogen
b. all choices are correct
c. must be selectively toxic
d. Must have a favorable chemotherapeutic index
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 - To determine the lethal action of microwave...Ch. 7 - A use-dilution test was used to evaluate two...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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