Sterilization and Disinfection Bb Test

after every case

Furniture and equipment should be damp-dusted with a disinfectant

Shelf life

Length of time a wrapped package remains sterile while in storage

Ionizing radiation

Method of sterilization with cobalt 60 used by manufacturers

Skin surface

On which of the following would an antiseptic be used

humidity

One factor affecting ethylene oxide sterilization is

sterilant

Packaging must allow for adequate removal of air, adequate penetration ofthe______________, and direct contact with the items.

Terminal decontamination

Process of rendering all articles free of pathogens at the end of an operative procedure

chlorine compounds

A higher concentration of __________ disinfectant agent will inactivate HIV andHep-B.

intermediate level

70-90% ethyl or isopropyl alcohol, phenolic germicidal solution such as hexachlorophene and carbolic acid, iodophor solution, and sodium hypochlorite (household bleach) are examples of which type of disinfectant?

10 hours

Activated glutaraldehyde requires total immersion of instruments for_______________ for sterilization.

lensed instruments

Activated glutaraldehyde, although not the first choice, can be used on which of the following?

Antiseptic

Agent that inhibits the growth of microorganisms on animate surfaces

Bactericidal

Agent that kills bacteria

Bacteriostatic

Agent that retards or prevents bacterial growth

coagulation of cellular protein

Autoclaving destroys microorganisms by:

red biohazard bag

Blood soaked sponges should be disposed of in a ___________________.

confined; contained

During a surgical procedure, contamination should be __________ and_________ to as small an area as possible.

packages were exposed to sterilization conditions

During steam sterilization, the heat-sensitive tape is intended to indicate that:

Ethylene oxide

Highly explosive and flammable gas used as a chemical sterilant

on their side

How must basins be positioned when sterilized in the autoclave?

covered for transport to Central Processing

If a washer-sterilizer is not adjacent to the operating room, instruments should be ___________________.

With one basin stacked inside the other and separated by a towel

If two basins are wrapped together for sterilizing, how should they be packaged?

confirm that the pack has been exposed to the sterilization process

In an autoclaved pack, an internal indicator is used to:

open

Instruments may be placed on instrument racks, stringers, or secured with towel clipsto maintain a/an _____________, fixed position when placed in sets.

expensive

Steam sterilization is preferred to other methods because it is the least ______, most efficient, and the safest method of processing heat and moisture stable items.

Autoclave

Steam sterilizer

Saturated steam

Steam that contains the maximum amount of water vapor

Vapor/Sterrad

Sterilization used primarily for endoscopes and fiberoptics

Hot air or dry heat

Sterilization used primarily for oils, petroleum products, and bulk powders

Sterilant

Substance that kills all forms of living matter including spore bearing ones

20-30 minutes

The cycle time for the Steris sterilization system is________.

bioburden

The efficacy of steam sterilization depends on lowering and limiting the ______on the items to be sterilized

Steam

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

biologic monitors

The only method of monitoring that assures that items are sterile and the sterilization conditions have been met is__________.

endoscopes

The peracetic acid sterilization system is a self-contained unit most commonly usedto sterilize ___________________.

Bacillus stearothermophilus

The spore-forming organism used to test the proper functioning of steam autoclaves is:

request the drill bit be resterilized

The surgeon notices debris on a drill bit at the time of use, and hands it off to be flashed. When the instrument is returned, there is no indicator in the flash pan. The surgical technologist should:

Three minutes

What is the MINIMUM time required to sterilize unwrapped metal instruments at 270 degrees F (132 degrees C)?

paper-plastic peel packs

What is the method of packaging an item that has an open end that can be closed withself-sealing adhesive or sealed with heat called?

Ethylene oxide

What method of sterilization requires a period of aeration?

penetrable by the sterilization agent

When an article is prepared for steam sterilization, the packaging materials must be

washer-sterilizer

When handling contaminated instruments after a surgical procedure, excessive bioburden should be removed by using an automated or manual method of decontamination, such as placing them into the___________ or hand washing each item.

biological indicators

Which method of monitoring uses live, nonpathogenic, spore-forming bacteria available on specially commercially-prepared strips or ampules that is placed in a test pack?

rigid containers

Which method of packaging items for sterilization is made of anodized aluminum, stainless steel, polymer, or polymer-metal combination that cannot be punctured?

250

Which of the following Fahrenheit temperatures must be reached in order to kill bacterial spores?

size of the sterilizer

Which of the following factors DO NOT affect the sterilization process?

radiating heat

Which of the following is NOT a method of sterilization?

non-porous to prevent escapage of the sterilizing agent

Which of the following is NOT a recommended characteristic for packaging materials?

moist heat

Which of the following is used with steam sterilization?

mechanical monitors

Which of the following methods of monitoring the sterilization process has devices such as thermometers, timers, pressure gauges, and recording devices?

chemical indicators

Which of the following methods of monitoring uses heat-sensitive tapes or paper strips impregnated with a chemical ink that changes color when exposed to the correct temperature and time?

sterilization

Which of the following processes destroys all microorganisms on inanimate objects including spore-bearing ones?

The by-products are water and carbon dioxide.

Which of the following statements is FALSE concerning the advantages of gas/plasma sterilization systems?

Ethylene oxide is a method of sterilization used for equipment which can withstand the extreme pressure and temperature.

Which of the following statements is a FALSE statement concerning the principles of ethylene oxide sterilization?

gravity displacement sterilizer

Which sterilizer allows steam to enter at the top of the chamber and then displaces theair downward?

pre-vacuum

Which sterilizer mechanically pulls air out of the sterilizing chamber and replaces it with steam that immediately penetrates the wrapped items

two wrappers, sequentially

Wrapping a small item with muslin or nonwoven fabric requires

Glutaraldehyde

__________________ has a broad anti-microbial range, effective against vegetative bacteria, mycobacterium tuberculosis, fungi, and viruses.

Bowie-Dick tests

____________________ are a special test performed on pre-vacuum (high vacuum) sterilizers to monitor the efficiency of the vacuum pump and the presence of air leaks and/or gases in the steam.

Ultrasonic cleaner

_____uses high-intensity sound waves to assist in the cleaning of instruments through a process called cavitation.