CRCST Exam Flashcards

Q: What do CRCST flashcards help you review?

These CRCST flashcards review sterile processing vocabulary, including decontamination, cleaning, packaging, sterilization, storage, inventory, ethics, and safety.

Q: Are CRCST flashcards enough to prepare for the exam?

Flashcards support term recall, but CRCST candidates should also understand process order, safety rules, instrument handling, and scenario-based questions.

Q: How should I use CRCST flashcards?

Study by workflow stage: decontamination first, then preparation and packaging, sterilization, storage, and distribution. Revisit missed terms before practice tests.

Question 1

Cleaning

Accepted Answer

Removal of visible and non-visible soil from medical devices. Cleaning is the first and most critical step because soil can block disinfection or sterilization.

Question 2

Decontamination

Accepted Answer

The process of making contaminated items safe to handle by cleaning and reducing microorganisms. It protects staff and prepares devices for further processing.

Question 3

Point-of-use treatment

Accepted Answer

Keeping instruments moist and removing gross soil at the site of use. It prevents bioburden from drying, which makes later cleaning harder.

Question 4

Manual cleaning

Accepted Answer

Hand cleaning using water, detergent, brushes, and friction. It is needed for delicate, complex, or hard-to-access devices and must follow the device IFU.

Question 5

Mechanical cleaning

Accepted Answer

Cleaning with equipment such as washer-disinfectors, ultrasonic cleaners, or cart washers. Mechanical methods improve consistency but still require correct loading and verification.

Question 6

Ultrasonic cleaner

Accepted Answer

A device that uses sound waves and cavitation to remove soil from instrument surfaces. It is useful for joints, serrations, and hard-to-brush areas.

Question 7

Washer-disinfector

Accepted Answer

Automated equipment that cleans and thermally disinfects devices. It is commonly used because it standardizes cleaning steps and reduces staff exposure.

Question 8

Enzymatic detergent

Accepted Answer

A cleaning agent that breaks down organic soils such as blood, protein, fat, or starch. Correct dilution, temperature, and contact time are essential.

Question 9

Water quality

Accepted Answer

Water used for cleaning and final rinsing affects device safety. Poor water can leave minerals, residues, or contaminants that interfere with processing.

Question 10

PPE in decontamination

Accepted Answer

Personal protective equipment includes gloves, fluid-resistant gowns, face protection, and shoe covers as required. PPE protects staff from sharps, splashes, and bioburden.

Question 11

Standard precautions

Accepted Answer

Infection prevention practices used for all items and patients because contamination status may be unknown. They reduce exposure to bloodborne and body fluid hazards.

Question 12

Workflow separation

Accepted Answer

Sterile processing areas should move from dirty to clean to sterile storage. Separation prevents cross-contamination between contaminated items and processed supplies.

Question 13

Sharps safety

Accepted Answer

Handling sharp instruments carefully and using approved containers or procedures prevents punctures and bloodborne exposure. Never reach blindly into trays or sinks.

Question 14

IFU

Accepted Answer

Instructions for Use from the device or product manufacturer. IFUs matter because validated cleaning, packaging, sterilization, and maintenance steps are device-specific.

Question 15

Inspection

Accepted Answer

Examining cleaned instruments for soil, damage, function, alignment, and completeness. Sterilizing a dirty or broken instrument can create patient safety risk.

Question 16

Instrument assembly

Accepted Answer

Placing correct instruments in the correct tray according to count sheets and facility procedures. Accurate assembly supports surgical readiness and reduces delays.

Question 17

Hinged instruments

Accepted Answer

Hinged instruments should generally be opened for sterilization according to IFU. Open hinges allow sterilant contact with surfaces that could otherwise be shielded.

Question 18

Packaging purpose

Accepted Answer

Packaging allows sterilant penetration, maintains sterility after processing, and permits aseptic presentation. The package must fit the method, item, and storage conditions.

Question 19

Rigid container

Accepted Answer

A reusable sterilization container with filters or valves that allow sterilant exchange. It protects contents but must be cleaned, inspected, and assembled correctly.

Question 20

Peel pouch

Accepted Answer

A paper-plastic package for small, light items. Proper sizing, sealing, and placement are important so sterilant enters and the item can be opened aseptically.

Question 21

Chemical indicator

Accepted Answer

A device or strip that changes when exposed to sterilization conditions. It shows exposure, not sterility, and must be interpreted according to instructions.

Question 22

Biological indicator

Accepted Answer

A test containing resistant microorganisms used to verify the sterilization process can kill spores. It provides stronger evidence of process effectiveness than chemical indicators.

Question 23

Mechanical monitor

Accepted Answer

Sterilizer printouts, gauges, or electronic records that show time, temperature, pressure, or other cycle parameters. They are reviewed for each cycle.

Question 24

Steam sterilization

Accepted Answer

A common high-temperature method using saturated steam under pressure. Effective steam sterilization requires air removal, correct temperature, exposure time, and drying.

Question 25

Steam cycle parameters

Accepted Answer

Key parameters include time, temperature, steam contact, and pressure as specified for the cycle. Incorrect parameters can lead to failed sterilization.

Question 26

Sterilant contact

Accepted Answer

Sterilant must contact all surfaces of the item. Overloading, closed hinges, trapped air, or wrong packaging can prevent contact and cause failure.

Question 27

Drying phase

Accepted Answer

The cycle portion that removes moisture from packages. Wet packs can wick microorganisms into sterile barriers and are usually considered contaminated.

Question 28

Ethylene oxide

Accepted Answer

A low-temperature sterilization method for heat- or moisture-sensitive devices. It requires aeration because residual gas can be toxic to patients and staff.

Question 29

High-level disinfection

Accepted Answer

A process that destroys many microorganisms but is not the same as sterilization. It is used for certain semi-critical devices according to IFU.

Question 30

Sterility assurance

Accepted Answer

Confidence that a process consistently produces sterile items when all validated steps are followed. It depends on cleaning, packaging, monitoring, and storage together.

Question 31

Patient care equipment

Accepted Answer

Reusable equipment such as pumps, monitors, beds, and compression devices that may require cleaning, testing, and tracking. Safe processing prevents cross-contamination.

Question 32

Equipment cleaning

Accepted Answer

Patient care equipment must be cleaned according to IFU and facility policy before reuse. Missed surfaces can transmit organisms between patients.

Question 33

Preventive maintenance

Accepted Answer

Scheduled inspection and service to keep equipment functioning safely. It reduces failures, supports readiness, and documents that devices are maintained.

Question 34

Loaner instruments

Accepted Answer

Borrowed vendor trays or devices that must arrive with complete IFUs and enough time for receiving, inspection, cleaning, and sterilization. Rushing increases risk.

Question 35

Tracking systems

Accepted Answer

Manual or electronic systems that record item location, processing history, and use. Tracking supports recalls, quality review, and accountability.

Question 36

Sterile storage

Accepted Answer

A controlled area where processed items are protected from moisture, dust, damage, and excessive handling. Storage conditions help maintain package integrity.

Question 37

Event-related sterility

Accepted Answer

Sterility is maintained until an event compromises the package, such as moisture, tear, puncture, or improper handling. Dates help rotation but package integrity is key.

Question 38

FIFO

Accepted Answer

First In, First Out rotates older stock before newer stock. FIFO reduces waste, supports expiration control, and keeps inventory moving predictably.

Question 39

PAR level

Accepted Answer

The target quantity of supplies to keep on hand. PAR levels help avoid stockouts while limiting overstock and expired supplies.

Question 40

Case cart

Accepted Answer

A cart prepared with supplies and instruments for a specific procedure. Accurate case carts support operating room efficiency and reduce last-minute substitutions.

Question 41

Recall

Accepted Answer

Removing items from use because a processing problem or product issue may make them unsafe. Tracking records help identify affected loads and locations.

Question 42

Quality assurance

Accepted Answer

Planned activities that verify processes meet standards, such as audits, monitoring, and competency checks. Quality assurance catches drift before it harms patients.

Question 43

Competency validation

Accepted Answer

Documented confirmation that staff can perform tasks correctly. It matters because sterile processing work must be consistent, technical, and aligned with current procedures.

Question 44

Documentation

Accepted Answer

Records of cleaning, sterilization, testing, maintenance, distribution, and incidents. Documentation proves what happened and supports traceability, audits, and recalls.

Question 45

Manufacturer recall notice

Accepted Answer

A notice that a product or device may be defective or unsafe. Staff must follow facility procedures to identify, quarantine, and document affected items.

Question 46

Professional ethics

Accepted Answer

Acting honestly, following standards, reporting problems, and protecting patients even when shortcuts seem convenient. Ethics matter because patients depend on unseen processing work.

Question 47

Scope of practice

Accepted Answer

Working within assigned duties, training, and facility policy. Staying within scope protects patients, staff, and the organization from unsafe decisions.

Question 48

Ergonomics

Accepted Answer

Designing work to reduce strain, awkward posture, and repetitive injury. Safe lifting, cart handling, and workstation setup protect sterile processing staff.

Question 49

SDS

Accepted Answer

Safety Data Sheets explain chemical hazards, PPE, storage, spill response, and first aid. Staff use SDS information to handle detergents and disinfectants safely.

Question 50

Incident reporting

Accepted Answer

Reporting errors, injuries, exposure, damaged items, or process failures through the proper channel. Reporting supports patient safety and process improvement.

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