Quiz Chapter 7 (6 ed) Surgical Asepsis and Sterility: Basic Practices and Techniques (Surgical Tech)

Which of the following terms means the number of microbes or amount of organic debris on an object at any given time?

bioburden

Which of the following chemicals is a high-level disinfectant when items are immersed for twenty to thirty minutes and a sterilant if items remain immersed for ten hours?

glutaraldehyde

Which of the following parts of the instrument reprocessing cycle is performed intraoperatively?

wiping with sterile water

Which of the following types of processes does the ultrasonic cleaner use to dislodge minute particles of soil and organic debris?

cavitation

Which of the following types of packaging systems has filters and removable locking devices?

rigid containers

Which of the following sterilization methods is most commonly used, safest, least expensive, and appropriate for the majority of surgical instruments?

saturated steam

Which of the following types of dating systems denotes the number of the calendar day from 1 through 365/366?

Julian

The biological indicator (BI) for the steam sterilization method is:

Geobacillus stearothermophilus

Contamination caused by the passage of microorganisms through a sterilized package by way of moisture wicking is termed:

strike-through

Which of the following sterilization methods presents the greatest exposure risk to CSPD personnel, is expensive, and requires the longest total cycle time?

ethylene oxide

CidexTM is the trade name for which of the following methods of sterilization?

glutaraldehyde

When opening a wrapped item such as a gown on a Mayo stand, the contents and wrapper are considered sterile up to what distance from the edge of the wrapper?

one inch from the edge

Which of the following terms refers to a barrier, such as plastic-backed table cover, that does NOT allow for the passage of liquid through it?

impervious

Which of the following types of wrapper material is compatible with the hydrogen peroxide gas plasma sterilization method?

Tyvek

The relationship of steam pressure to temperature in a steam sterilizer is:

increased pressure increases temperature.

The physical or chemical process by which all living microorganisms, including spores, are killed is:

sterilization

When nested basin sets are being sterilized, they should be placed in the steam sterilizer:

fold side down with a towel used to separate them

Why are large steam sterilizers loaded with space between wrapped items or trays?

It allows adequate circulation and penetration of steam to all surfaces.

Which of the following terms is used for inanimate objects that harbor microorganisms that contribute to environmental contamination?

fomites

Which of the following terms is NOT a classification of patient care items?

a.

critical

b.

hypercritical

c.

noncritical

d.

semi-critical

hypercritical

Which of the following substances would be appropriate for use on animate surfaces?

antiseptic

Which of the following patient care items would be classified as noncritical?

pulse oximeters

Which of the following types of chemical solutions is made of catalysts that aid in breaking down proteinaceous debris such as blood and fat?

enzymatic

Which of the following terms is the common name for the high-level disinfectant sodium hypochlorite?

bleach

Another name for the intermediate-level disinfectant compound phenol is:

carbolic acid.

Which of the following substances would be appropriate for soaking instruments covered with bioburden during a surgical procedure?

sterile water

Which of the following terms is used to describe the process of removing all soiled linen, waste, and instruments from the room and cleaning furniture, floors, or other contaminated surfaces in preparation for opening new supplies for a subsequent case?

turnover

All of the following choices are environmental specifications for the decontamination room in CSPD EXCEPT:

a.

air exchange rate, minimum of ten per hour.

b.

humidity between 35% and 72%.

c.

positive air pressure maintained.

d.

temperature between 64°F and 70°F.

positive air pressure maintained.

During manual cleaning of surgical instruments, which of the following types of solutions should be used?

lukewarm water, detergent, and enzymatic cleaner with neutral pH

Which of the following types of instruments must be cleaned with bristle brushes on wires, pipe cleaners, or handheld pressure guns?

suction tip lumens

A potential risk of placing surgical instruments of dissimilar metallic type together in a washer sterilizer cycle is:

electrolytic conduction reaction.

Which of the following terms is used for the process of lubricating stiffened stainless steel surgical instruments by immersion in a water-soluble solution?

milking

Which of the following cleaning methods for surgical instrumentation relies on bubbles imploding, creating a vacuum that dislodges minute particles in crevices of instruments?

ultrasonic cleaner

Which of the following types of surgical instruments must NEVER be immersed in any type of mechanical decontaminating equipment?

powered

Why are items disinfected or sterilized in activated glutaraldehyde dried prior to submersion?

Moisture will eventually dilute the concentration to ineffective levels.

Before opening any sterilely packaged item, what is MOST important to verify about the package?

integrity of package

Which of the following positions is acceptable for placement of a scrubbed, gowned, and gloved surgical technologist's hands?

clasped together in front at waist level

Sterilely attired surgical team members should pass one another in any of the following ways EXCEPT:

a.

back to back.

b.

front to front.

c.

front to back.

d.

rotating 360° around.

front to back.

A nonsterile person should approach a sterile area face forward while maintaining a distance of:

twelve inches.

When a sterilely attired surgical technologist drapes an unsterile table, they open the drape:

toward themselves first.

Which of the following factors is the MOST important in a surgical technologist's role in preventing surgical site infections?

strict surgical conscience

Which of the following concepts has replaced the previous system of assessing storage conditions and package integrity based on an arbitrary expiration designation?

event-related

Which of the following methods of sterilization uses gamma rays or beta particles and is chiefly used by large manufacturing companies?

ionizing radiation

The recommended biological indicator (BI) for hydrogen peroxide gas plasma is:

Geobacillus stearothermophilus

The Bowie-Dick test is performed for which of the following sterilization methods?

prevacuum air removal steam

Gravity displacement steam sterilizer cycles are much shorter than prevacuum cycles.

False

Sterilization process monitors include mechanical, chemical, and biological methods to ensure all parameters were met.

True

Internal chemical indicator/integrators should be placed in the center or most challenging portion of a tray for the sterilant to reach.

True

The relative humidity in an ethylene oxide sterilizer should be below 30% to aid in the penetration of the gas through bacterial spores' protective coating.

False

Performing the surgical scrub without a brush or sponge is acceptable.

True