Sterilization and disinfection

A chemical that kills most pathogenic organisms but does not kill spores

• disinfectant

• disinfection

• sterilant

• broth

Antiseptics are like disinfectants for living tissues

• True

• false

An example of an antiseptic would be _______________.

• Soap

• Rubbing alcohol

• hand lotion

• bleach

Containers marked with the biohazard symbol are used to collect _________.

• clean dressings

• extra dressings

• disposable supplies

• infectious material

Cleaning, disinfecting, and sterilization differ as follows:

• Cleaning removes gross contamination; Disinfecting kills 100% of the germs plus endospores; Sterilization kills germs

• Cleaning kills germs; Disinfecting kills endospores; Sterilization removes dirt and grease

• Cleaning does not kill germs; Disinfecting kills germs; Sterilization kills 100% of the germs plus endospores

• Only Cleaning and Disinfecting are required in the hospital setting.

________ is an example of Dry Heat Sterilization

• Autoclave

• Oven

• Pasteurization

• Tyndallization

The following is TRUE about Sterilization indicators

• Sterilization Indicators are used to determine whether an item has been properly exposed to the sterilization process

• There are three types of indicators used: physical, chemical and biological

• All of the above

A fungicide is a chemical agent that

• inhibits the growth of bacteria on mucous membranes.

• removes viruses from a nonporous surface.

• reduces the number of microorganisms on a surface.

• has a lethal effect on molds and yeasts.

The following are all examples of sterilization systems for heat sensitive items EXCEPT

• Filtration

• Gamma ray

• Autoclave

• UV light

Sterilization method for growth media

• gamma rays

• hot air oven

• autoclave

• chlorination