Micro: Chapter 9: Physical and Chemical Control of Microbes

____are chemical agents that kill non-endospores forming pathogens.

Germicides

Disinfection

Physical processs or a chemical agent

A chemical agent applied directly to exposed body surface (skin and mucous membranes), wounds, and surgical incisions to destroy or inhibit pathogens is a(n)

antiseptic

Any process or agent that inhibits bacterial growth is referred to as

bacteristatic

A ____ agent will inhibit the growth of bacteria, whereas a ____ agent will kill bacteria.

bacteristatic bactericide

Sepsis is

growth of microorganisms is the blood or other tissues

Prions are resistant to inactivation by ____, radiation, and chemicals.

heat

A virucide ___ viruses

inactivates

Fungicides ___ fungal spores, hyphae, and yeasts.

kill

A bactericide ___ bacteria.

kills

Disinfection destroys

only vegetative bacterial cells

Items are classified as critical, semicritical, or noncritical based on

parts of the body contacted by the item

Sterilization

process that destroys or removes all viable microorganisms

The inability to ____ is the practical definition of microbial death.

reproduce

A ___ is an agent that can destroy bacterial endospores.

sporicide

Chemical agents that can destroy all forms of life, including endospores are called

sterilants

An object is ____ if it is free of all viable microorganisms including viruses.

sterile

Which root indicates the ability to kill microorganisms?

-cide

Which root indicated the ability to prevent microbial growth?

-stasic

sterilization

A process that completely removes or destroys all viable microorganisms, including viruses, from an object or habitat

____ is a procedure or process designed to prevent entry of infectious agents

Aseptic

____ involves the permanent termination of a particular organism's vital processes, and special qualifications are often needed to define and delineate this phenomenon in microbes.

Death

____ is the general term used for the reduction of the microbial load in order to lower the possibility of infection or spoilage.

Decontamination

____ is the physical removal of surface oils, debris, and soil from skin to reduce the microbial load

Degermation

True or False: there are several degrees of sterility, based on the destruction of endospores.

False