SSD Quizzez Questions, SSD ppt, SSD Bb Assignment
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
Expensive
____________________ 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.
Bowie-Dick tests
Activated glutaraldehyde requires total immersion of instruments for _______________ for sterilization.
10 Hours
how long does an item have to be in 2% glutaraldehyde to be considered sterile
10 hours
In a steris machine if the chamber is closed and sealed the contents are sterile for ___ hours, but once the machine is open the contents must be used in ___ hour(s)
12, 1
how long is 2% glutaraldehyde reusable for
14 days
what pressure accompanies 250 F in a steam sterilizer
15psi
how many layers does nonwoven (paper/plastic, polymer) packaging material need
2 layers
The cycle time for the Steris sterilization system is________.
20-30 minutes
what temperature must steam sterilizers reach
250-270 F
what pressure accompanies 270 F in a steam sterilizer
27psi
how many layers does woven (linen, muslin) packaging material need
4 layers
how long is tape that is initialed and used saved for?
7 years
what percentage of steam must steam sterilizers have
97%
The efficacy of steam sterilization depends on lowering and limiting the ______on the items to be sterilized
bioburden
The number of viable organisms in or on an object or surface or the organic material on a surface or object before decontamination or sterilization.
bioburden
The only method of monitoring that assures that items are sterile and the sterilization conditions have been met is__________.
biologic monitors
What is the only way you know that something is sterile?
biological indicators
________ items are items that must be sterile. These items enter sterile tissue or the vascular system. a. Semicritical b. Noncritical c. Critical d. A and B
c. Critical
________ is/are used in the operating room and elsewhere in the hospital to render objects nearly free, but not completely free, of microorganisms. a. Sporicidals b. Antisepsis c. Disinfection d. Cobalt 60 radiation
c. Disinfection
A higher concentration of __________ disinfectant agent will inactivate HIV and Hep-B.
chlorine compounds
removal of blood, body fluids, and dirt and organic debris (bioburden)
cleaning
Autoclaving destroys microorganisms by:
coagulation of cellular protein
how does steam sterilization destroy microbes
coagulation of cellular protein
During a surgical procedure, contamination should be __________ and _________ to as small an area as possible.
confined; contained
In an autoclaved pack, an internal indicator is used to:
confirm that the pack has been exposed to the sterilization process
surface or tissue that has been in contact with a microorganism
contaminated
If a washer-sterilizer is not adjacent to the operating room, instruments should be
covered for transport to Central Processing
During surgical procedures, small-bore cannulas and suction tip lumens should be flushed frequently with ________. a. antibiotics b. germicidal solution c. saline d. water
d. water
process by which instruments and supplies are cleaned and processed
decontamination
Milking an instrument is part of which surgical supply preparation phase?
decontamination or cleaning
removal of most, not all, microorganisms
disinfection
which method of sterilization is used for powder
dry heat
The central issue with reprocessing single-use items is not the patient and personal safety of the user but the cost of reprocessing. Selected Answer: True false
false
true or false. all inside edges, including glue, is sterile in a peel pack
false
true or false. when basins are stacked they MUST have a towel in between and be placed upside down to keep water from pooling
false
true or false. you never need to clean the shelves in the OR
false
which steam sterilizer works much quicker where instruments cannot be wrapped
flash autoclave
in a gas plasma sterilizer what are transmitted through the vapor
radio frequencies
Act of rendering items safe for use in subsequent cases
reprocessing
_____uses high-intensity sound waves to assist in the cleaning of instruments through a process called cavitation.
ultrasonic cleaner
Sterilization used primarily for endoscopes and fiberoptics
vapor/sterrad
Which sterilizer uses agitated water with a neutral detergent cleaning agent to dissolve and loosen blood debris
washer
Activated glutaraldehyde, although not the first choice, can be used on which of the following?
lensed instruments
Instruments processed in peracetic acid (Steris) are still considered sterile after storing for several days. True False
False
Sterilization used primarily for oils, petroleum products, and bulk powders
Hot air or dry heat
Agent that inhibits the growth of microorganisms on animate surfaces
Antiseptic
Chemical used to remove microorganisms from tissue
Antiseptic
which bacteria is used for dry heat, EO, and gas plasma sterilizers (Geobacillus stearothermophilus or Bacillus subtilis)
Bacillus subtilis
Agent that kills bacteria
Bactericidal
Agent that retards or prevents bacterial growth
Bacteriostatic
Chemical agent capable of inhibiting the growth of bacteria.
Bacteriostatic
The peracetic acid sterilization system is a self-contained unit most commonly used to sterilize ________.
Endoscopes
which method of sterilization is highly explosive and flammable causing it to be used less
Ethylene Oxide Gas
Highly explosive and flammable gas used as a chemical sterilant
Ethylene oxide
A chemical monitor may be placed on the outside or the inside of a package, but never both. Selected Answer: True False
False
All items to be gas sterilized may be wet or dry. Selected Answer: True False
False
By running a sterilizer the proper length of time, sterility is guaranteed. Answers: True False
False
which bacteria is used for steam and ozone sterilizers (Geobacillus stearothermophilus or Bacillus subtilis)
Geobacillus stearothermophilus
__________________ has a broad anti-microbial range, effective against vegetative bacteria, mycobacterium tuberculosis, fungi, and viruses.
Glutaraldehyde
which steam sterilizer works by steam going in and pushing air out as it fills the chamber
Gravity air displacment
Method of sterilization with cobalt 60 used by manufacturers
Ionizing radiation
Blood soaked sponges should be disposed of in a ___________________.
Red biohazard bag
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 tech should:
Request the drill bit be resterilized
Which method of packaging items for sterilization is made of anodized aluminum, stainless steel, polymer, or polymer- metal combination that cannot be punctured?
Rigid containers
Steam that contains the maximum amount of water vapor
Saturated steam
Length of time a wrapped package remains sterile while in storage
Shelf life
On which of the following would an antiseptic be used
Skin surface
a way to determine if a patient care device reqires sterilization, disinfection, or cleaning (washing) critical, semicritical, and noncritical
Spaulding Classification
The following are all examples of sterilization systems for heat sensitive items EXCEPT Sterrad Steris Steam Ethylene Oxide
Steam
Packaging must allow for adequate removal of air, adequate penetration of the _______, and direct contact with the items
Sterilant
Substance that kills all forms of living matter including spore bearing ones
Sterilant
What is the MINIMUM time required to sterilize unwrapped metal instruments at 270 degrees F (132 degrees C)?
Three minutes
CJD can be transmitted from one patient to another through contaminated medical equipment. True False
True
Growth of bacteria in a test monitor culture indicates that the sterilization process was ineffective. Selected Answer: True False
True
Sterile items should be stored in areas that are separate from those used to store clean, nonsterile items. True False
True
The more a sterile-wrapped package is handled, the greater the risk for contamination. Selected Answer: True False
True
The procedure for wrapping goods for sterilization is based on the principle of enhancing the ease of sterilization and preserving the sterility of the item. True False
True
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.
Washer-Sterilizer
If two basins are wrapped together for sterilizing, how should they be packaged?
With one basin stacked inside the other and separated by a towel
________ is a process/are processes that destroy(s) microorganisms except bacterial spores. a. High-level disinfection b. Intermediate-level disinfection c. Low-level disinfection d. A and C
a. High-level disinfection
Furniture and equipment should be damp-dusted with a disinfectant
after every case
Steam sterilizer
autoclave
which method of sterilization is Sterad used for lenses and cameras
gas plasma
which method of sterilization is effective and inexpensive causing it to be widely used
high temperature steam
level of disinfectant that kills vegetative bacteria except spores- may kill spores given time
high-level
One factor affecting ethylene oxide sterilization is
humidity
in a gas plasma sterilizer vapor is created by ________
hydrogen peroxide
which of the following would you NOT find on a label content date of sterilization employee ID initials in ball point pen load number
initials in ball point pen
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?
intermediate level
level of disinfectant that kills resistant mycobacteria, and all other vegetative bacteria, fungi, and most viruses but not bacterial spores
intermediate-level
level of disinfectant that kills most vegetative bacteria, some fungi, and some viruses, but not mycobacteria or spores
low-level
Which of the following is used with steam sterilizations? gas plasma dry heat moist heat chemicals
moist heat
How must basins be positioned when sterilized in the autoclave?
on their side
Instruments may be placed on instrument racks, stringers, or secured with towel clips to maintain a/an _____________, fixed position when placed in sets.
open
During steam sterilization, the heat-sensitive tape is intended to indicate that:
packages were exposed to sterilization conditions
which method of sterilization is Steris
peracitic acid
Which sterilizer mechanically pulls air out of the sterilizing chamber and replaces it with steam that immediately penetrates the wrapped items
pre-vacuum
which steam sterilizer works by sucking the air out before flooding the chamber with steam
pre-vacuum steam
Complete destruction of all forms of microbial life
sterilization
