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WorksheetsCRCST Practice Test #1
Total questions: 50
Worksheet time: 50mins
The three major areas in sterility assurance related to environmental controls are:
temperature, time, humidity
temperature, humidity, air exchanges
humidity, concentration, temperature
pressure, time, temperature
At a minimum, what PPE should the sterile technician wear when cleaning the sterilizer drain strainer?
goggles, head cover, shoe covers and scrub attire
shoe covers, head cover, gloves and scrub attire
gloves, face shield and apron, scrub attire
gloves, face shield and protective gown, shoe covers
The ideal level of chloride in tap water should be :
50 ppm
100 ppm
150 ppm
200 ppm
The bottom shelf of any sterile storage system should be:
perforated and 8-10 inches from the floor
solid and 2-4 inches from the floor
solid and 8-10 inches from the floor.
cleaned weekly
Which of the following are chemicals that hold hard water minerals in solution and prevent soaps or detergents from reacting with the minerals?
sequestering agent
chelating agents
wetting agent
surfactant
Which of the following is the primary cause of pitting?
Magnesium
Chloride
Acid
Calcium
Which organization provides regulations and requirements for biohazard material transport safety?
DOT
FDA
EPA
WHO
Which organization provides guidelines for Cleaning and Care of Surgical Instruments?
AAMI
FDA
OSHA
AORN
This organization specializes in endoscopy issues and has established standards for the effective processing of flexible endoscopes.
FDA
SGNA
AORN
AAMI
Routine surgical instrument maintenance repair is important because it can...
prevent surgical instrument corrosion
decrease the instrument processing time
reduce the need for a risk assessment
reduce the need for point-of-use enzymatic spray
Which of the following indicators is recommended for use in monitoring sterilization cycles?
Type 5 or 6 indicators
Type 4 indicators
Type 2 indicators
Type 3 indicators
Which of the following will occur if the Ultrasonic bath temperature is too high?
The vapor will keep the ultrasonic lid open
Cavitation will fail to occur
It will cause the protein on the instruments to coagulate
It will lead to uneven distribution of ultrasonic cleaning action in the tank
Requirement for cleaning, disinfection and sterilization, inspection, and routine maintenance of equipment can be obtained from?
EPA
TJC
FDA
IFU
If a processed tray is opened and found to be missing an internal chemical indicator, what needs to happen?
The tray can be used if the external indicators indicate the tray is completely processed
It should trigger a recall of the entire load
The tray can be used if the operator signed the sterilizer chart at the end of the cycle
The tray should not be used in surgical procedures
To clean, disinfect, and rinse flexible fiber-optic endoscopes which of the following equipment will you use?
Automated Endoscope Reprocessor
Pasteurizers
Automated Mechanical Washers
Ultrasonic
The detergents used in an ultrasonic cleaner should be:
abrasive
maintained at 275°F
non-biodegradable
Low foaming
Trays with overhang shelving…
is the appropriate way to store trays as it allows for the use of proper body mechanics when lifting heavy trays
can become contaminated
must be seldom used
are ok for rigid containers but not for flat wrapped trays
Which of these bodies develops international standards to reduce the burden of fire and other hazards?
FHA
WHO
NFPA
ANSI
Among the following low-temperature sterilizations, which of them has the longest instrument turnaround me?
ozone sterilization
Ethylene oxide
hydrogen peroxide gas plasma
vaporized hydrogen peroxide
An inventory system that keeps track of all incoming and outgoing supplies so that quantities of supplies in storage are known at all times.
Case Cart
Perpetual Inventory System
Par level
Consignment
OSHA requires that EtO personal monitoring records be stored for how long after the employee has completed the last EtO related task?
3 years
30 years
5 years
7 years
How frequently should de-gassing in ultrasonic cleaner be performed?
Each time the solution is changed
Daily
Weekly, preferable daily
Any time the tank is being filled
Which of the following is removed with Descalers?
rainbow-type stain
bluish stains
hard brown rust
chalky white substance
A mode of bacterial transmission where an infectious agent is transmitted through an item such as food or fluid is:
Fomite
Common vehicle
Chain of infection
Vector-borne
The final phase of the EtO sterilization cycle is:
Evacuation
Preconditioning
Exposure
Aeration
Which of the following is a system used to treat the final rinse water used for cleaning?
Sanitization
Filtration
Deionization
Water conductivity
Which of the following is used to remove chalky, powder-like, hard to remove substance, that sometimes forms on equipment and sinks?
Descalers
Chelating agents
Granular Activated Charcoal
Enzymatic detergent
Instruments with lumens should be soaked in a...
vertical position
horizontal position but not fully submerged
horizontal or vertical position it does not matter
horizontal position
Which of the following areas should be cleaned first?
Distribution
Preparation and Packaging
Sterile storage
Decontamination
Which of the following organizations furthers international cooperation in improving health condition?
WHO
FDA
ANSI
ISO
Which of the following will be removed by a water softener?
Calcium and magnesium
Chloride and iron
Iron and pyrogens
Silicate and pyrogens
When does the sterile storage process begin?
when the sterilizer door is opened at the end of the cycle
when items are received in the decontamination area.
after items are sterilized and cooled and items removed from the sterilizer.
when items are placed into the sterilizer
The recommended maximum weight for containerized trays is:
10 lbs
30 lbs
7 lbs
25 lbs
Which of the following is used to remove chloride from water?
Chelating agents
Descalers
Enzymatic detergent
Granular Activated Charcoal
Which of the following elements cause bluish or rainbow stains on the surface of surgical instruments?
Fluoride and Bromides
Iron and silicates
Chlorides and solids
Calcium and magnesium
Which of the following packaging materials is compatible with Ethylene oxide (EtO)?
Tyvek
Aluminum foil
Polyester
Nylon
When should the process of pre-cleaning begin?
As soon as devices reach the central service area
Before items are sorted
Immediately after the completion of an invasive procedure
Immediately after instruments are inspected
Internal chemical indicators may be placed in these areas EXCEPT:
in an area most accessible to steam penetration
in an area or areas considered least accessible to steam penetration
in accordance with the manufacturer's instructions for use
in an area visible to the person opening the tray
Ultrasonic cleaners clean by a process called:
Explosion
Cavitation
Combustion
Impingement
What are the primary variables of Ethylene oxide sterilization?
Temperature, time, contact, concentration
Moisture, humidity, temperature, and time
Temperature, concentration, contact, and humidity
Concentration, humidity, temperature and time
Brushing of instruments underwater should be done using a...
circular motion
one-directional motion
combination of circular and up and down motions
to and fro motion
The efficacy of sterilizers should be routinely monitored using...
Class 5 integrating CI
Class 6 emulating CI
BI PCD
Bowie Dick Test
What action should the CS technician take if while assembling an instrument tray, he finds out that some instruments were missing?
He should mark the tray as missing some instruments and place it on a holding rack
He must look for the missing instrument or a substitute to ensure the tray is complete
He should never substitute the instruments
He should seek clearance from the owning department to substitute the missing instrument
Manual cleaning needs to be performed as soon as possible upon entering the decontamination area so as to:
Prevent the formation of bioburden
Allow Sterile processing technicians to complete their work before the end of their shift
Keep sterile processing technicians busy and productive
Prevent disease transmission to the decontamination area
Which of the following is considered a critical device?
Endoscope
Endotracheal tube
Blood pressure cuff
Retractor
Water must be degassed each me the ultrasonic cleaner's tank is changed because the excess bubbles formed while filling the tank will:
reduce the energy of the cavitation process
decrease the temperature of the tank
reduce the effectiveness of the detergent
make it difficult to see items being cleaned
To prevent coagulation of proteins, instruments should be pre-rinsed using...
a disinfectant rinse
a neutral detergent
cold water
warm water
Which of the following instruments can be cleaned in an ultrasonic cleaner?
chrome-plated instruments
fiber-optic instruments
lumens
ebonized
The two key factors to consider when handling sterilized items are:
contamination of sterile items and re hazard
productivity and cleanliness
employee safety and contamination of sterile items
employee safety and productivity
An inventory system where items are owned by the vendor but stored at the health care facility.
Consignment
Requisition
Leased
External
