Chapter 7 Review
These questions MAY BE similar to those found on your Lecture Midterm I exam. THERE MAY BE MORE THAN ONE CORRECT ANSWER FOR ANY OF THE QUESTIONS BELOW.
_______ is the removal of all microbial life.
1 point
_______ is used to remove microbial life from inanimate objects/fomites.
1 point
_______ is used to remove microbial life from skin and mucus membranes.
1 point
_______ is used to remove microbial life from a small area, for instance before an injection.
1 point
_______ is the reduction of microbial life to a safe level.
1 point
The viable cell count shown would most likely be determined using which of the following methods of counting a bacterial culture?
1 point
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The total cell count shown below would most likely be determined using which of the following methods of counting a bacterial culture?
1 point
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The graph below represents the addition of a ____________ agent to a bacterial culture.
1 point
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The graph below represents the addition of a ____________ agent to a bacterial culture.
1 point
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The graph below represents the addition of a ____________ agent to a bacterial culture.
1 point
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As discussed in lecture, which of the following does not affect how well a given method of microbial control will work?
1 point
Wet cultures can be sterilized more quickly than dry cultures.
1 point
Which of the following are true of biofilms/vegetations?
1 point
Biofilms make antibiotic sensitive cells act like they're resistant to antibiotics.
1 point
The reduction of a bacterial culture to 10% (1/10) its number is defined as ____________.
1 point
The time it takes to kill all microorganisms in 10 minutes is defined as ____________.
1 point
The temperature and time within which all cells are killed is defined as ____________.
1 point
What is the decimal reduction time?
1 point
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What is the thermal death point?
1 point
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What is the thermal death time?
0 points
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Dry heat kills by ______________.
1 point
Moist heat heat kills by ______________.
1 point
Dry heat kills cells faster than moist heat.
1 point
Pasteurization sterilizes food.
1 point
Which of the following are true of filter sterilization?
1 point
Which of the following damages DNA directly?
1 point
Which of the following DOES NOT damage DNA directly?
0 points
Which of the following creates ionizing radiation?
1 point
Which of the following creates non-ionizing radiation?
1 point
Which of the following creates thymine dimers?
1 point
The Use-Dilution Test tests for ___________ properties.
1 point
The Disk Diffusion Test tests for ___________ properties.
1 point
A zone of inhibition is created during the
1 point
Which of the following is most RESISTANT to growth control?
1 point
Which of the following is most RESISTANT to growth control?
1 point
Which of the following is most RESISTANT to growth control?
1 point
Which of the following is most RESISTANT to growth control?
1 point
Which of the following is most SENSITIVE to growth control?
1 point
Which of the following is most SENSITIVE to growth control?
1 point
Which of the following is most SENSITIVE to growth control?
1 point
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