CRCST EXAM with correct answers

CRCST EXAM 2023-24 After the Bowie Dick's test cycle completes, the color of the test sheet is found to be patchy. What action should be taken? A. The sterilization time should be increased and the test rerun per manufacturer's IFU B. CST should go ahead and load the sterilizer for sterilization to begin. C. Sterilizer must be taken out of service until the issue is identified and fixed. - correct answer C. Sterilizer must be taken out of service until the issue is identified and fixed. The spore producing microorganism used in steam sterilizer testing is A. Geobacillus Stearothermophilus B. Bacillus Subtillus C. Bacillus Atrophaeus - correct answer A. Geobacillus Stearothermophilus Which of the following is used to reduce the amount of chloride in water that will otherwise inhibit the effectiveness of deionization and reverse osmosis systems? A. Descalers B. Granular Activated Charcoal C. Enzymatic detergent D. Chelating Agents - correct answer B. Granular Activated Charcoal Wha tis the packaging of choice for dry heat sterilization? A. Aluminum Foil B. Nonwoven wrap C. Paper-plastic - correct answer A. Aluminum Foil All of the following PPE are required by OSHA for techs in Decon except A. Utility Gloves B. Face Protection C. Shoe Covers D. Scrub Attire - correct answer D. Scrub Attire Which of the orgs work to prevent HAI. (Hospital Associated Infection) A. ANSI B. NFPA C. APIC D. USP-NF - correct answer C. APIC Which of the following agencies develops recommended standards, practices and guidelines for care and processing of devices? A. DOT B. FDA C. SGNA D. AAMI - correct answer D. AAMI Which of the following sterilants will be most appropriate for point of use, just in time processing system? A. Peracetic Acid B. Ethylene Oxide C. Steam - correct answer A. Peracetic Acid The length of time after which the efficiency of a disinfectant is diminished A. Sterility B. Shelf life C. Effective period D. Use Life - correct answer D. Use Life The medical abbreviation ESS involves A. Hip joint reconstruction B. Treatment of fractured bone without with surgical incision. C. Use of endoscopic instrumentation to operate on the nose. - correct answer C. Use of endoscopic instrumentation to operate on the nose. The main objectives for tracking patient care equipment include all of the following except A. Provide information on trends B. Provide information on current location C. To track productivity - correct answer C. To track productivity What is orchiopexy? A. Making an opening onto the skull bone access the brain. B. Straightening or removal of bone from the nose. C. Relocating a non-descended testicle to the correct location in the scrotum. - correct answer C. Relocating a non-descended testicle to the correct location in the scrotum. Sterile packs should be stored ______ away from the exterior walls and windows in the storage area A. 8" B. 1" C. 2" - correct answer C. 2" After sterilization, the wrapped package must cool to ____________ A. Body temperature B. Room temperature C. Temperatures below 50 degrees F. - correct answer B. Room temperature Every load that contains implantable device must be monitored with A. A minimum physical monitors B. Process Challenge Device (PCD) C. At a minimum a Chemical Indicator (CI) - correct answer B. Process Challenge Device (PCD) The following agencies recognize that sterility is event related A. The Joint Commission and AORN B. AAMI and OSHA C. AORN and OSHA - correct answer A. The Joint Commission and AORN The relative humidity in the sterile storage area should be A. Less than 80% B. Less than 70% D. Between 30% and 75% - correct answer B. Less than 70% What action should be taken if a failed BI is obtained after the release of processed medical devices? A. All medical devices processed in that sterilizer since the last negative biological indicator was obtained must be recalled. B. The medical devices must be recalled and reprocessed immediately. C. The medical devices can only be used after the event is reported and documented. - correct answer A. All medical devices processed in that sterilizer since the last negative biological indicator was obtained must be recalled. Which microorganism is used in the Biological indicator for monitoring Ethylene Oxide (EtO)? A. Bacillus Atrophaeus B. Bacillus Subtilis C. Staphylococcus aureus - correct answer A. Bacillus Atrophaeus Spunbond-Meltdown-Spunbond packaging material should be used in which of the following? A. Steam Sterilizer B. Gas Plasma C. Ethylene Oxide - correct answer B. Gas Plasma Which of the following is a requirement of the OSHA Bloodborne Pathogen Standard? A. Provide hepatitis B vaccine to employees B. Keep biohazards areas locked C. Provide body fluid resistant gowns - correct answer A. Provide hepatitis B vaccine to employees After loaner instruments have been sterilized they should be A. Kept in a cold room to effect rapid cooling B. Moved to an area with low traffic to cool away C. Immediately sent to the OR - correct answer B. Moved to an area with low traffic to cool away Which of the following can be used to monitor the efficiency of automated mechanical washer? A. Cycle Temperature B. Cycle print out C. Cycle completion time - correct answer B. Cycle print out Bacteria that are often pathogenic to humans because they grow at body temperature A. Aerobic B. Thermophiles C. Mesophiles - correct answer C. Mesophiles Before the results of the BI testing become available A. Implants can never be used B. Implants should be quarantined C. Implants can be used in a emergency without documentation. - correct answer B. Implants should be quarantined All of the following can cause chemical test failure except A. Not following the medical device's IFU B. Sterilizer malfunction C. Not placing the chemical indicator in the center of the package. - correct answer C. Not placing the chemical indicator in the center of the package. When a Bi and control test, what results will the CS technician be expecting for a successful sterilization? A. Negative reading for the control and positive reading for the BI test. B. Positive reading for the control and positive reading for the BI test. C. Positive reading for the control and negative reading for the BI test. - correct answer C. Positive reading for the control and negative reading for the BI test. The Bowie Dick Test is considered a _________ indicator. A. Biological B. Mechanical C. Class I chemical D. Class II chemical - correct answer D. Class II chemical Ultrasonic cleaners use a process called A. Cavitation B. Impingement C. Aeration - correct answer A. Cavitation Which of the following about ergonomic injuries is true? A. Ergonomic injuries do not happen in health care facilities. B. Ergonomic injuries can be minimized by not working too fast. C. Are risk factors for persons who perform repetitive or physical work. - correct answer C. Are risk factors for persons who perform repetitive or physical work. The pH of purified water is A. 4.5-5.5 B. 5.5-6.5 C. 6.5-7.5 - correct answer C. 6.5-7.5 Until cleaning can begin it is important to A. Discard all disposable items B. Keep instruments moist C. Lubricate the instruments - correct answer B. Keep instruments moist Which of the following sterilization methods eliminates the need to purchase a sterilant? A. Hydrogen Peroxide B. Ozone C. Ethylene oxide - correct answer B. Ozone Which of the following agencies establishes standards and guidelines for processing of flexible endoscopes? A. FDA B. OSHA C. SGNA - correct answer C. SGNA If a solution has a pH of 7, it means it is A. Acidic B. Alkaline C. Neutral - correct answer C. Neutral How frequently should a steam sterilizer's door be inspected and cleaned A. Hourly B. Daily C. Monthly - correct answer B. Daily Which of the following disinfectants is also known as a wetting agent A. Formaldehyde B. OPA C. Phenolic D. QUATS - correct answer D. QUATS (Quaternary Ammonium Compounds) Inventory control method in which minimal stock is kept on-site, and most orders are delivered when needed A. Case cart B. Exchange cart C. Just-In-Time System - correct answer C. Just-In-Time System Descalers are used for removing _____________ that appears on equipment A. Chalky white stain B. Hard brown rust C. A bluish stain - correct answer A. Chalky white stain What type of fire extinguisher is used to extinguish fires that involve flammable and combustible liquids such as gasoline alcohol? A. Class A B. Class B C. Class C - correct answer B. Class B The weakest link in the chain of infection is the A. Susceptible host B. Method of transmission C. Reservoir - correct answer B. Method of transmission Heart valves and pacemakers are examples of FDA _________ medical devices A. Class 1 B. Class 2 C. Class 3 - correct answer C. Class 3 Which of the following is the correct way for placing plastic/paper pouches on a sterilizer cart? A. Pouches should be placed on their edge B. Pouches should be placed flat on the paper side C. Pouches should be placed flat on the plastic side - correct answer A. Pouches should be placed on their edge How should instrument sets in rigid containers be placed on the sterilizer cart? A. Placed vertically on the shorter side B. Tilted C. Placed flat - correct answer C. Placed flat When CS technicians receive prepackaged sterile items from outside the facility, they should check A. For expiration date B. For the safety items C. For name of the manufacturer - correct answer A. For expiration date Where should a BI PCD be placed in the sterilizer chamber? A. Next to the drain B. Inside the instrument pack C. According to the sterilizer manufacture written recommendation - correct answer C. According to the sterilizer manufacture written recommendation The inventory system that stocks supplies by established stock levels is A. Requisition system B. Exchange system C. Par-level - correct answer C. Par-level Impregnated gauze strips may be sterilized using A. Steam sterilization B. Ethylene oxide sterilization C. Dry heat sterilization - correct answer C. Dry heat sterilization Forceps with serrations at the distal end will be used for A. Manipulating tissue and pack surgical site B. Manipulating tissue for suture C. Control the flow of blood - correct answer A. Manipulating tissue and pack surgical site When loading a steam sterilizer, linen packs should be A. Parallel to the shelf B. Perpendicular to the shelf C. Placed flat on the shelf - correct answer B. Perpendicular to the shelf Ergonomic injuries A. Are major injuries that occur in the health facility B. Are a risk factor for persons who perform repetitive or physical work C. Occur due to workers not adhering to the manufacturer's IFU - correct answer B. Are a risk factor for persons who perform repetitive or physical work What is the best course of action to take if the cause of a positive BI could not be determined? A. The sterilizer can only be used after the result has been reported to the supervisor on duty. B. The agency responsible for the maintenance of the sterilizer should be contacted to perform further investigations. C. The result should be documented and the sterilizer abandoned. - correct answer B. The agency responsible for the maintenance of the sterilizer should be contacted to perform further investigations. Sterilizer _____________ is performed to verify that the sterilizer is in good working condition at the user's facility and performs according to the manufacturer's specification. A. Qualification Testing B. Mechanical Testing C. Functional Testing - correct answer A. Qualification Testing What microorganisms is used in BI/PCD testing for EtO? A. Bacillus subtillus B. Bacillus atrophaeus C. Staphylococcus aureus - correct answer B. Bacillus atrophaeus Which of the following processes is capable of removing large percentage of dissolved solids through a semi-permeable membrane? A. Distillation B. Reverse Osmosis C. Deionization - correct answer B. Reverse Osmosis Enzymatic detergents generally work best with water at temperatures A. Between (100 degrees F - 140 degrees F) B. Between (150 degrees F - 160 degrees F) C. Above 160 degrees F - correct answer A. Between (100 degrees F - 140 degrees F) Geobazillus stearothermophilus is used for ____________ test A. Biological B. Chemical C. Diagnostic - correct answer A. Biological The bottom shelves of the storage unit for sterile packages must be ____________ from the floor A. 2-4 inches B. 5-7 inches C. 8-10 inches - correct answer C. 8-10 inches Sponges should A. Be discarded after each use B. Be cleaned and sterilized for re-use C. Never be used to clean medical devices. - correct answer A. Be discarded after each use Sharps must be removed from instrument tray A. With tongs B. With hands wrapped in paper C. Wearing latex gloves - correct answer A. With tongs Horizontal work surfaces in the decontamination area should be cleaned and disinfected ____________ A. Once a day B. At the beginning and end of each shift C. Once a week - correct answer B. At the beginning and end of each shift Which of the following sterilization methods is compatible with Spunbond polyolefin/plastic pouch? A. Dry heat sterilization B. Ethylene Oxide sterilization C. Hydrogen peroxide gas plasma sterilization - correct answer C. Hydrogen peroxide gas plasma sterilization Where should a test pack be placed in the sterilizer A. Over the drain B. Next to the drain C. On top of the instrument pack - correct answer A. Over the drain The inventory system that stocks supplies by established stock levels is A. Requisition system B. Exchange system C. Par-level D. Case cart - correct answer C. Par-level CS techs assigned to the assembly, and sterile storage area should wear A. Fluid resistant gowns B. Utility Gloves C. Fluid resistant shoe covers D. Surgical scrubs and hair covering - correct answer D. Surgical scrubs and hair covering Dry steam in sterilizer cycle causes A. Items in the sterilizer to remain dry and microorganisms killed readily. B. Items in the sterilizer to remain dry and microorganisms cannot be killed readily. C. Wrapped items in the sterilizer to remain hot much longer and microorganisms killed quicker. - correct answer B. Items in the sterilizer to remain dry and microorganisms cannot be killed readily. Which of the following equipment will be needed for administering IV therapy fluids A. Suction pump B. Infusion pump C. Sequential Compression Device - correct answer B. Infusion pump What is the preferred rate at which the BI Process Challenge Device (PCD) should be used for routine sterilizer efficacy monitoring ? A. Once a week B. Twice a week C. Every day the sterilizer is used - correct answer C. Every day the sterilizer is used Which of the following will require Bowie Dick test to be run? A. Ultrasonic cleaners B. Dynamic-air-removal steam sterilizers C. Ethylene oxide sterilizers - correct answer B. Dynamic-air-removal steam sterilizers Which of the following is an automated equipment designed to clean, disinfect, and rinse endoscopes ? A. ACR B. AER C. ACT - correct answer B. AER Which agency requires that healthcare facilities develop and implement procedures to ensure that they meet minimum safety standards A. FDA B. CDC C. TJC - correct answer C. TJC The FDA classifies sterilization packaging as a A. Class I Medical Device B. Class II Medical Device C. Class III Medical Device - correct answer C. Class III Medical Device The spore used in the testing of steam sterilization is: A. Pseudomonas aeruginosa B. Geobacillus Stearothermophiles C. Bacillus Atropaheus - correct answer B. Geobacillus Stearothermophiles To achieve a reasonable level of disinfection alcohol requires wet contact for at least A. 5 minutes B. 10 minutes C. 15 minutes - correct answer A. 5 minutes The unit of measure used to describe the amount of EtO in the air is called A. STEL B. PEL C. TWA - correct answer B. PEL The length of time a disinfectant can be properly stored after which it must be discarded is its A. Sterility period B. Use life C. Shelf life - correct answer C. Shelf life Which of the following requires preventative maintenance standards be established for medical equipment? A. OSHA B. Joint Commission C. AAMI - correct answer B. Joint Commission Which of the following is the correct sequence for removing PPE? A. Gown, Mask or respirator, Goggles or face shield, Gloves, Shoe covers B. Goggles of face shield, Mask or respirator, Gloves, Gown, Shoe Covers C. Shoe Covers, Gloves, Goggles or Face shield, Gown, Mask or Respirator - correct answer C. Shoe Covers, Gloves, Goggles or Face shield, Gown, Mask or Respirator Which of the following events will necessitate a recall? A. If a positive BI result was obtained after a load of processed medical devices is released. B. If a negative BI result obtained after a load of processed medical devices is released. C. If there were more than 10 air exchanges per hour in the decontamination area during sterilization. - correct answer A. If a positive BI result was obtained after a load of processed medical devices is released. CS technicians must remember the ____________ principle when assembling packs for sterilization A. PACK B. FAN C. ORGANIZE D. SMART - correct answer B. FAN During the recommended reuse period of glutaraldehyde-based disinfectant, the CS technician will use test strips to test the glutaraldehyde solution for its A. Minimum density B. Acidic level C. Minimum effective concentration - correct answer C. Minimum effective concentration Which of the following instrument labelling methods is done by the CS technician? A. Permanent marker B. Acid based etching C. Dot Matrix - correct answer C. Dot Matrix A proactive process designed to predict and prevent future adverse outcomes A. Root Cause Analysis B. Failure mode and effect analysis C. Six Sigma - correct answer B. Failure mode and effect analysis