OpenStax Microbiology Test Bank- Chapter 13: Control of Microbial Growth
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Course
Microbiology
Institution
Microbiology
OpenStax Microbiology Test Bank- Chapter 13: Control of Microbial Growth
BIOLOGY 206
* = Correct answer Multiple Choice
1. Which of the following is not an example of a fomite?
A. catheter
B. doorknob
C. mosquitoes*
D. towels
Difficulty: Easy
ASM Standard: 13, 14, 23
2. HEPA filters a...
openstax microbiology test bank chapter 13 control of microbial growth
biology 206 correct answer multiple choice 1 which of the following is not an example of a fomite a catheter b doorknob
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OpenStax Microbiology Test Bank- Chapter 13: Control of Microbial Growth
BIOLOGY 206
* = Correct answer
Multiple Choice
1. Which of the following is not an example of a fomite?
A. catheter
B. doorknob
C. mosquitoes*
D. towels
Difficulty: Easy
ASM Standard: 13, 14, 23
2. HEPA filters are required for which Biological Safety Level (BSL)?
A. BSL 1
B. BSL 2
C. BSL 3
D. BSL 4*
Difficulty: Easy
ASM Standard: 14, 37
3. From a clinical perspective, aseptic technique is carried out to do which of the following?
A. clean fomites
B. contaminate fomites
C. introduce contamination in living
tissueD. prevent contamination in living
tissue*
Difficulty: Easy
ASM Standard: 36, 37
4. The autoclave uses which of the following mechanism(s) for sterilization?
A. pressure
B. temperature
C. pressure and temperature*
D. pressure, temperature, and pH
Difficulty: Easy
ASM Standard: 14, 36, 37
5. Autoclaves are designed to kill which of the following heat-resistant
microbes?A. endospores*
B. prions
C. vegetative bacterial and fungal cells
, D. viruses
Difficulty: Easy
ASM Standard: 14, 36, 37
6. The decimal reduction time (D-value) is how long it takes to kill which percentage of
amicrobial population?
A. 10%
B. 50% C.
90%*D.
100%
Difficulty: Moderate
ASM Standard: 14
7. Which of the following actions would be most clearly considered bacteriostatic rather
thanbactericidal?
A. autoclaving bacterial cultures
B. placing a bacterial culture in the −80 C freezer*
C. spraying 70% alcohol on a laboratory bench
D. treating a mattress with ethylene oxide
Difficulty: Moderate
ASM Standard: 14
8. Microbial death follows which type of trend?
A. linear
B. logarithmic*
C. power series
D. variable
Difficulty: Moderate
ASM Standard: 14
9. Which of the following are the standard conditions for an autoclave?
A. 100 C, 1 psi, 60 minutes
B. 121 C, 1 psi, 60 minutes C.
121 C, 15 psi, 20 minutes*
D. 212 C, 15 psi, 10 minutes
Difficulty: Moderate ASM
Standard: 14, 36, 37
10. Which of the following is not a milkborne pathogen?
A. Escherichia coli O157:H7
B. Listeria monocytogenes
, C. Salmonella enterica
D. Yersinia pestis*
Difficulty: Moderate
ASM Standard: 23
11. For appropriate food storage in refrigerators, the temperature should be set to no higher
thanwhich of the following?
A. 5 C
B. 7 C*
C. 9 C
D. 11 C
Difficulty: Easy
ASM Standard: 14
12. How does pascalization control microbial growth?
A. by cross-linking proteins
B. by damaging DNA
C. by denaturing proteins*
D. by disrupting membrane integrity
Difficulty: Moderate
ASM Standard: 14
13. X-rays and gamma rays are examples of which type of radiation?
A. beta emission
radiationB. ionizing
radiation*
C. nonionizing radiation
D. nonpenetrating radiation
Difficulty: Easy
ASM Standard: 14
14. Ultraviolet light is an example of which type of radiation?
A. beta emission radiation
B. ionizing radiation
C. nonionizing radiation*
D. penetrating radiation
Difficulty: Easy
ASM Standard: 14
15. To sterilize packaged intravenous tubing, which method would not be acceptable?
A. ethylene oxide
B. freezing
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