Ch 7 Preventing Diseases Exam

Non living obligate interests cellular parasites, contains either DNA or RNA but not both:

Viruses

Gravity displacement steam sterilization cycles are much shorter than pre-vacuum cycles. T/F

false

Contamination caused by passage of micro organisms through a sterilized package by way of moisture wicking is termed: Saturation, sequestration, strike-through, solubilization

strike-through

When opening a wrapped items such as a mayo stand, the contents and rapper are considered sterile up to what distance from the edge of the wrapper? 1" from the edge, 2" from the edge, only the item itself is sterile, all the way to the edge

1 inch from the edge

A nonsterile person should approach a sterile area face forward while maintaining a distance of: 2', 6', 6", 12"

12 inches

How long should the steam biological indicator be incubated before the reading is recorded? 6 hours, 24 hours, 12 hours, one hour

24 hours

What is the weight of that AAMI has a recommended instrument sets should not exceed? 10 pounds, 25 pounds, 20 pounds, 15 pounds

25 pounds

What would be the exposure phase time for an unwrapped instruments set with some loomans in a pre-vacuum/dynamic air removal steam autoclave? 3 minutes, 4 minutes, 10 minutes, 30 minutes

4 minutes

Which of the following would be appropriate for use on animate surfaces? Sterileant, Decontaminant, antiseptic common disinfectant

Antiseptic

The recommended biological indicator (BI) for hydrogen peroxide gas plasma is: Staphylococcus aureus, Bacilus subtilis, Geobacilus stearothermophilus, Bacilus atrophaeus

Bacillus atrophaeus

Which term means the number of microbes or amount of organic debris on any object at any given time? Stepsis, infection, asepsis, bioburden

Bioburden

What is the common name for the high level disinfectant sodium hypochlorite? Bleach, peroxide, vinegar, ammonia

Bleach

Where should the biological test pack be placed on the steam sterilization card for the first run of the day? Bottom rack, front of sterilizer, over the drain Top rack, front of sterilizer, over the drain Top rack, back of sterilizer, under the injection valve Bottom rack, back of sterilizer, under the injection valve

Bottom rack, front of sterilizer, over the drain

What is another name for the intermediate-level disinfectant compound Phenol? Peracetic acid, muriatic acid, amino acid, carbolic acid

Carbolic acid

Which of the following statements regarding parasitic acid sterilization items is correct? Eration times will add hours to the total sterilization time cycle, Cassettes are not sealed due to liquid immersion during the process so they can not be stored Item is a must be wrapped with Tyvek wrappers instead of cellulose-based rappers Paper filters on the top lid and bottom of container must be changed for each cycle

Cassettes are not sealed, due to liquid immersion during the process, so they can not be stored

What is the type of process of the ultrasonic cleaner uses to dislodge minute particles of soil and organic debris? Solubilization, emulsification, chelation, cavitation

Cavitation

What kind of quality control device consists of a paper that has been impregnated with a dye that changes color in the presence of a specific temperature and sterilant? Chemical indicator, mechanical read out, cidex test strip, vile of spore population

Chemical indicator

Which of the following is an acceptable position for placement of a scrubbed, gowned, and gloved surgical technologists hands? Grasping edge of draped back table with fingers coiled under table edge, Clasping together in front at waist level, tucked into axillary region, hanging down at side with hands below table

Clasped together in front at waist level

Annaerobic gram-positive bacteria responsible for gas gangrene, cellulitis, and fascitis:

Clostridium perfringes

How should air hoses of powered instruments or fiber-optic light cords be placed in rigid container trays for sterilization? Bound tightly with rubber bands, bound a loosely with electrical tape, coiled tightly in sealed peel pack inside tray, coiled loosely in perforated or mesh basket

Coiled loosely in perforated or mesh basket

What is the a potential risk of placing surgical instruments of dissimilar metallic type together in a washer sterilizer cycle? Bio burden contamination, electrolyric conduction reaction, alarm triggered by washer sterilizer, static electrical spark

Electrolytic conduction reaction

Which type of chemical solution is made of catalysts that aid in breaking down proteinaceous debris such as blood and fat? Antiseptics, disinfectant, enzymatic, emulsifier

Enzymatic

Which sterilization method presents the greatest exposure risk to CSPD personnel, is expensive, and requires the longest total cycle time? Parasitic acid, saturated steam under pressure, hydrogen peroxide gas plasma, ethylene oxide

Ethylene oxide

Which of the following concept to has replaced the previous system of assessing storage conditions and package integrity based on an arbitrary expiration designation? Event related, time related, double wrapping, Julian dating

Event related

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. T/F

False

Long, thin structure attached to the outside of a cell, motility achieved by whipping motion:

Flagella

When nested basin sets are being sterilized, how should they be placed in the steam sterilizer? Facing upright with a towel used to separate them, fold side down with a towel used to separate them, fold side down with tape holding them together securely, facing upright with tape holding them together securely

Fold side down with a towel used to separate them

What is the term for inanimate objects that harbor microorganisms that contribute to environmental contamination? fomites, viruses, vectors, flora

Fomites

Sterilely attired surgical team members should pass one another in any of the following ways except: Front to back, front to front, rotating 360ﾟ around, back-to-back

Front to back

Which sterilization method is most commonly used, safest, least expensive, and appropriate for the majority of surgical instruments? Parasitic acid, saturated steam, Ionizing radiation, ethylene oxide

Saturated steam

Which part of the instrument reprocessing cycle is performed intra-operatively? Wiping with sterile water, steam sterilization, mechanical decontamination, ultrasonic washer

Wiping with sterile water

Phone go infection caused by bread mold, sometimes seen in a immune-suppressed organ transplant patients:

Zygomycosis

What is the relationship of steam pressure to temperature in a steam sterilizer? Increased pressure increases temperature, Decreased temperature increases pressure, Increased temperature increases pressure, Decreased pressure increases temperature

Increased pressure, increases temperature

Bacterial species that can survive in environmental extremes and who's genetic material is enclosed within a protein capsule until conditions hard favorable for reproduction:

Spores

Organism most commonly associated with surgical site infections:

Staphylococcus aureus

Which of the following would be appropriate for soaking instruments covered with bioburden during a surgical procedure? Parasitic acid, sterile water, isopropyl alcohol, sterile saline

Sterile water

The physical or chemical process by which all living micro organisms, including spores, are killed is: Sterilization, decontamination, disinfection, sanitation

Sterilization

Which of the following is the most important factor in a surgical technologists role in preventing surgical site infections? Participation in the "time-out", high GPA while a student, extensive knowledge of anatomy, strict surgical conscience

Strict sterile conscience

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

Suction tip lumens

What is the term for the condition of a surgical technologists skin after performing a surgical scrub? Surgically clean, terminally sterile, nosocomial, bacteria static

Surgically clean

The biological indicator (BI)for the steam sterilization method is: DART, Bowie-dick, Bacilus atrophaeus, Geobacilus stearothermophilus

Geobacillus stearothermophilus

Which of the following chemicals is a high level disinfectant when items are immersed for 20 to 30 minutes and a sterile and if items remain immersed for 10 hours? Sodium hypochlorite, gluteraldehyde, Quartenary ammonium compounds, Isopropyl alcohol

Glutaraldehyde

CidexIs the trade name for which of the following methods of sterilization? Ethylene oxide, hydrogen peroxide gas plasma, parasitic acid, gluteraldehyde

Gluteraldehyde

Aerobic, gram-negative bacilli responsible for many gastric ulcers:

Helicobacter pylori

Classification of parasites such as tapeworms of that can create lesions on the brain and soft tissues, which requires surgical removal:

Helminths

Which method of chemical sterilization has limitations based on the challenge of diffusion into narrow lumens? Hydrogen peroxide gas plasma, ethylene oxide gas, parasitic acid, glutaraldehyde

Hydrogen peroxide gas plasma

Which of the following is not a classification of patient care items? Noncritical, hypercritical, critical, semi critical

Hypercritical

What term refers to a barrier, such as plastic backed table covers common that does not allow for passage of liquid through it? Imperceptible, impervious, integral. insoluble

Impervious

Which of the following should never be processed by immediate-use (flash) sterilization methods? Titanium micro instrumentation, ebonized laser instruments, stainless steel suction tips, implantable devices

Implantable devices

Before opening any sterilely packaged item, what is most important to verify about the package? Internal indicator/integrator, sterilization cycle number, integrity of package, date sterilized

Integrity of the package

Which method of sterilization uses gamma rays or Beta particles and is chiefly used by large manufacturing companies? Hydrogen peroxide gas plasma, dry heat, ethylene oxide, ionizing radiation

Iodizing radiation

Why are large steam sterilizers loaded with space between wrapped items or trays? It makes it easier to unload when the cycle is complete Kama it allows for air to remain inside the packages to facilitate steam penetration, it ensures that the carts are not overweighted, It allows adequate circulation and penetration of steam to all surfaces

It allows adequate circulation and penetration of steam to all services

What is the advantage of using ethylene oxide gas sterilization? It has the shortest total cycle time, it is safe for heat and moisture sensitive items, it is the least expensive method, it is the safest method of sterilization

It is safe for heat and moisture-sensitive items

What is the name of the outside area of an autoclave where steam is created before injection into the interior compartment? Aerator, chamber, jacket comic gasket

Jacket

Which of the following is the type of dating system that denotes the number of the calendar day in 1 through 365/366? Cartesian, Julian, military, alphanumeric

Julian

During manual cleaning of surgical instruments, what type of solution should be used? Cold sterile water and enzymatic solution with low ph, hot water detergent and enzymatic cleaner with high ph, lukewarm water Detergent and enzymatic cleaner with neutral ph, cold water detergent and enzymatic cleaner with high ph

Luke warm water, detergent, and enzymatic cleaner with neutral pH

What is the term for the process of lubricating stiffened stainless steel surgical instruments by immersion in a water soluble solution? Bathing, dunking, greasing, milking

Milking

Why are items disinfected or In activated glutaraldehyde dried prior to submersion? Moisture will cause air bubbles to form and prevent full contact, Moisture will prevent sterile it from reaching all surfaces, Moisture will create a toxic chemical reaction with sterile and, Moisture will eventually dilute the concentration to ineffective levels

Moisture will eventually dilute the concentration to ineffective levels

Why are instruments placed in perforated or mesh-bottom trays for sterilization? Easy removal of instruments, penetration of sterile and, reduce tray wait, easy grouping of instruments

Penetration of sterilant

All of the following are environmental specifications for the decontamination room in CSPD except: Humidity Between 35% and 72%, air exchange rate minimum of 10 per hour, temperature between 64ﾟF and 70ﾟF, positive air pressure maintained

Positive air pressure maintained

Which type of surgical instrument must NEVER be immersed in any type of mechanical decontaminating equipment? Powered, titanium, stainless steel, tungsten carbide

Powered

The Bowie-Dick test is performed for which sterilization method? Hydrogen peroxide gas plasma, pre-vacuum air removal steam, activated gluteraldehyde, ethylene oxide gas

Pre-vacuum air removal steam

Dawn living proteinaceous infectious particle, contained no DNA or RNA, responsible for transmissable spongiform encephalopathy:

Prions

Type of organism whose organelles are not membrane bound, divide by binary fission, includes bacteria:

Prokaryotes

Personnel in CSPD who must move instruments from the ethylene oxide sterilizer to in aeration room should do which of the following with the cart to reduce their exposure to vented gasses? Open a window, pull it, push it, cover it with plastic

Pull it

Which of the following a patient care items would be classified as non-critical? Pulse oximiters, colonoscopes, hypodermic needle, laryngoscope

Pulse Oximeters

Which type of packing system has filters and removable locking devices? Woven wrapped, rigid containers, paper-plastic peel packs, non woven wrapped

Rigid containers

When a sterilely attired surgical technologist drapes and and sterile table he or she opens the drape: Away from himself 1st, toward sides and pulls drape down well below edge, by shaking out folds 1st and laying it across table, toward himself 1st

Toward him or herself first

Which of the following diseases is NOTA a form of transmissable spongiform encephalopathy? Crutchfield's Jacobs, scrapie, mad cow, toxic shock

Toxic shock

In steam sterilization, thermal destruction of microbes is the result of the denaturation and coagulation of protein within the cells. T/F

True

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

True

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

True

What is the term used to describe the process of removing all soiled linen, waste, and instruments from the room and cleaning of furniture, floors, or other contaminated surfaces in preparation for opening new supplies for a subsequent case? Change over, terminal cleaning, Turn over, concurrent cleaning

Turnover

Which type of rapper material is compatible with the hydrogen peroxide plasma gas sterilization method? Muslin, cloth, tyvek, paper

Tyvek

Which of the following cleaning methods for surgical instrumentation relies on imploding, creating a vacuum of that dislodges particles in crevices of instruments? Washer sterilizer, manual soak, washer decontaminator, ultrasonic cleaner

Ultrasonic cleaner