Microbiology gives the learner a chance to study the biology of bacteria, viruses, protozoa and fungi. If one has a good understanding on this topic they will be able to have answers to some scientific questions on diseases. Do you believe you got a proper understanding of Chapter 8 on Microbiology? Take up the quiz below.
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Concentration of the agent
Duration of exposure
Temperature
All of the above
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Disinfection
Antisepsis
Sterilization
Sanitization
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True
False
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True
False
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Fungistatic agent
Mycostatic agent
Fungicidal agent
Germicidal agent
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Disinfection
Antisepsis
Sterilization
Sanitization
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A larger population of microorganisms
A smaller population of microorganisms
Killing will be equally as rapid in a large or a small microbial population.
There is no way to predict which will require a longer kill time.
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False
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False
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Autoclaving
Boiling
Pasteurization
All of these are equally effective against resistant endospores
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Fluorine
Chlorine
Either fluorine or chlorine
Ultraviolet light
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Lysozyme
Bactericidal agent
Bacteriostatic agent
Antiseptic agent
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Less toxic
More toxic
Equally as toxic
Unpredictable in toxicity
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Killing pathogenic microorganisms
Reducing the total microbial population
Increasing the shelf life of the product
All of the choices
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True
False
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Ethanol; methanol
Ethanol; isopropanol
Methanol; butanol
Methanol; isopropanol
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Disinfection
Antisepsis
Sterilization
Sanitization
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The organism will not grow on minimal medium.
The organism will not grow on a medium that normally supports its growth.
The organism no longer retains its original shape and structures.
None of these adequately describe microbial death.
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Ultraviolet (UV) radiation at 260 nm
X rays
Gamma radiation
Alpha and beta particles
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Disinfection
Antisepsis
Sterilization
Sanitization
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Killing
Removing
Killing OR removing
Metabolically inactivating
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Faster
Slower
Equally as fast
Sometimes faster but sometimes slower
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True
False
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Autoclaving
Open flame
Use of chemicals
Filtration
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Ethylene oxide
Gultaraldehyde
Chlorine gas
Isopropanol
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PH
Presence or absence of a biofilm
Concentration of organic matter
Refractive index
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Causing the formation of thymine dimers.
Denaturing proteins.
Causing production of singlet oxygen.
All of the choices
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Pioneered the use of gamma rays for sterilizing food.
Demonstrated that microorganisms are carried on dust particles in the air.
Revolutionized surgery by introducing phenol as a disinfectant.
Designed and built the first autoclave.
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Oxidant
Disinfectant
Antiseptic
Sterilant
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Kill any pathogens present
Retard spoilage
Sterilize beverages
Kill any pathogens present and retard spoilage
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Its inherent detergent action.
Membrane damage and protein denaturation.
Oxidation of disulfide bonds in proteins.
Extraction of lipids from membranes.
Damage to nucleic acids and proteins caused by free radicals.
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Sterilants
Oxidants
Detergents
Soaps
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Iodides
Tinctures
Iodophors
Iodochromes
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Lead acetate
Copper sulfate
Silver nitrate
Mercuric chloride
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Food and Drug Administration.
Environmental Protection Agency.
The National Institutes of Health.
Centers for Disease Control and Prevention.
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Thermal death time (TDT).
Thermal death point (TDP).
Decimal reduction time (D value).
Z value
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Bacterial endospores.
Fungal spores
Viruses
Bacterial endospores and fungal spores
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Milk
Wine
Beer
Cheese
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Autoclaving
Boiling
Pasteurization
All of these are equally effective against resistant endospores.
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Food and Drug Administration.
Environmental Protection Agency.
The National Institutes of Health.
Centers for Disease Control and Prevention.
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