Quality Assurance Flashcards
7 cards from real CRCST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quality Assurance flashcards as text
What is the most appropriate action when a sterilizer's mechanical printout shows the cycle temperature was 2°F below the validated minimum for the full exposure time?
Answer: Quarantine the load and report the out-of-parameter cycle
Any cycle that fails to achieve validated parameters is an out-of-parameter cycle; the load must be quarantined, the event documented, and a root cause investigation initiated.
Which quality assurance tool is best used to display the frequency distribution of defects or failures to identify the most common causes?
Answer: Pareto chart
A Pareto chart ranks problems by frequency and highlights the 'vital few' causes responsible for the majority of defects, helping prioritize improvement efforts.
What does 'event-related sterility' mean for a packaged sterile item?
Answer: Sterility is maintained indefinitely unless the package is compromised
Event-related sterility means a properly packaged item remains sterile indefinitely as long as the packaging integrity is maintained and no compromising event occurs.
Which statement best describes the purpose of a quality management system (QMS) in a central service department?
Answer: To provide a framework ensuring consistent processes, accountability, and continuous improvement
A QMS provides a structured framework for documenting processes, ensuring accountability, monitoring outcomes, and driving continuous improvement in CS operations.
When must a biological indicator be run in a sterilizer that processes implantable devices?
Answer: With every load containing implantable devices
AAMI ST79 and AORN guidelines require a BI with every load containing implantable devices, and results must be reviewed before implants are released for use.
What is the purpose of a process challenge device (PCD) used during sterilization quality testing?
Answer: To simulate the hardest-to-sterilize conditions and challenge the sterilization process
A PCD creates a defined challenge (e.g., a lumen or porous mass) that is harder to sterilize than the actual load, ensuring the BI inside it receives the most difficult conditions.
Which of the following best describes the concept of 'continuous quality improvement' (CQI) in central service?
Answer: An ongoing, systematic approach to identifying and eliminating process inefficiencies and defects
CQI is a proactive, ongoing methodology that uses data and systematic analysis to continuously identify problems, implement improvements, and evaluate outcomes.