Question

Evaluate the effectiveness of various microbial control methods by dragging the descriptions to their corresponding class. Filtration Can sterilize Cannot sterilize Autoclaving odine Phenolics Dry oven Boiling water Ethylene oxide Quaternary ammonium compounds Glutaraldehyde Gamma radiation Alcohols

Answer 1

All the given methods can be used for sterilization.

Microfiltration is used to sterilize heat or chemical labile materials.
Autoclaving is used to sterilize heat-stable materials.
Iodine tincture is used as a skin disinfectant.
Phenolics also serve as a good disinfectant.
Longer exposure to dry air in the dry oven is more effective than moist heat exposure.
Boiling water to 100'C generally does not eliminate bacterial endospores.
Ethylene oxide is an alkylating agent that modifies the genome of the microorganisms and kills them.
Quaternary ammonium compounds are used as disinfectants and antiseptic agents.
Glutaraldehyde treatment is an effective sterilization method against several microbes including spores. It is also used to sterilize surgical instruments.
Gamma radiation is a physical sterilization method.
70% Alcohol serves as good anti-microbial agent.