CRCST Domain 2: Preparation and packaging Welcome to your CRCST Domain 2: Preparation and packaging 1. CRCST: Preparation and Packaging When preparing surgical instruments for autoclaving, which of the following packaging materials is NOT suitable for steam sterilization? A. Sterilization wrap B. Nylon C. Paper-plastic pouches D. Tyvek None 2. CRCST: Preparation and Packaging Which of the following is the MOST critical factor to consider when selecting a container system for sterilizing a delicate ophthalmic instrument? A. The color of the container B. The permeability of the container to sterilizing agents C. The aesthetic appeal of the container D. The brand popularity of the container None 3. CRCST: Preparation and Packaging When packaging instruments for sterilization, the maximum weight of a single wrapped tray should not exceed: A. 25 pounds (11.34 kg). B. 15 pounds (6.8 kg). C. 10 pounds (4.54 kg). D. 5 pounds (2.27 kg). None 4. CRCST: Preparation and Packaging For ensuring sterility of instruments with lumens during steam sterilization, it is MOST important that the lumen: A. Is filled with distilled water. B. Has a double layer of wrapping. C. Is completely dry. D. Is plugged with cotton at both ends. None 5. CRCST: Preparation and Packaging Which of the following best describes the purpose of using a chemical indicator inside a surgical instrument tray during preparation for sterilization? A. To clean the instruments before sterilization B. To physically remove bacteria from the instruments C. To indicate whether the tray has been exposed to sterilization conditions D. To sterilize the instruments at a lower temperature None 6. CRCST: Preparation and Packaging In the context of instrument preparation and packaging, the term "event-related sterility" refers to: A. The time it takes for a package to become sterile. B. Sterility being maintained until some event causes it to become compromised. C. The need to resterilize instruments immediately before use. D. The scheduled testing of sterility on a monthly basis. None 7. CRCST: Preparation and Packaging When using a rigid container system for sterilization, it is important to: A. Use adhesive tape to secure the lid. B. Leave the valve open to allow steam penetration. C. Apply a biological indicator outside the container. D. Ensure the filter is properly installed and intact. None 8. CRCST: Preparation and Packaging The proper orientation of instruments within a sterilization tray to ensure effective steam penetration and drying is: A. Stacked tightly together. B. Placed flat and overlapped. C. Oriented vertically. D. Arranged in a single layer with space between each instrument. None 9. CRCST: Preparation and Packaging When preparing a set of mixed materials 'e.g., metal and plastic' for sterilization, it is MOST important to consider: A. The color compatibility of the materials. B. The sterilization compatibility of the materials. C. The manufacturer's instructions for use (IFU) for packaging. D. The weight of the materials. None 10. CRCST: Preparation and Packaging The use of a peel pouch for sterilizing a single instrument is appropriate when: A. The instrument is too large for standard trays. B. The instrument requires immediate use after sterilization. C. Multiple instruments are being sterilized together. D. The instrument is delicate and requires individual protection. None 11. CRCST: Preparation and Packaging When determining the appropriate sterilization cycle for a mixed load of instruments and textiles, what is the PRIMARY factor to consider? A. The color of the textiles B. The longest sterilization time recommended for any item in the load C. The type of packaging material used D. The weight of the load None 12. CRCST: Preparation and Packaging In the context of high-level disinfection, which of the following factors is MOST critical for ensuring the efficacy of the process? A. The ambient temperature of the room B. The concentration of the disinfectant solution C. The color of the disinfectant solution D. The brand of the disinfectant solution None 13. CRCST: Preparation and Packaging For instruments with complex designs 'e.g., lumened, articulated', what is the MOST important consideration during preparation and packaging? A. The aesthetic appearance of the package B. Ensuring the instruments are completely dry C. The alignment of the instruments within the tray D. The use of lubricants on articulated parts None 14. CRCST: Preparation and Packaging When selecting a sterilization wrap for a particular set of instruments, which of the following properties is MOST important? A. The color of the wrap B. The ability of the wrap to allow sterilant penetration C. The brand popularity of the wrap D. The texture of the wrap None 15. CRCST: Preparation and Packaging When using an ultrasonic cleaner for instrument preparation, what is the MOST critical factor to check before starting the cycle? A. The temperature of the water B. The pH of the cleaning solution C. The level of the cleaning solution D. The duration of the cycle None 16. CRCST: Preparation and Packaging In the preparation of surgical instruments for sterilization, which of the following is the BEST practice for handling instruments with sharp edges? A. Wrapping them tightly in a cloth B. Placing them at the bottom of the tray C. Using protective covers on the sharp edges D. Sterilizing them separately from other instruments None 17. CRCST: Preparation and Packaging When evaluating the effectiveness of a sterilization process, which of the following is the MOST reliable indicator? A. The color change of a chemical indicator B. The completion of the sterilization cycle on the machine C. The use of a biological indicator D. The temperature reached during the cycle None 18. CRCST: Preparation and Packaging Which factor is MOST important when determining the shelf life of a sterilized item? A. The date of sterilization B. The material of the item C. The integrity of the packaging D. The color of the packaging None 19. CRCST: Preparation and Packaging What is the PRIMARY reason for double-wrapping surgical instruments before sterilization? A. To increase the aesthetic appeal of the package B. To allow for sequential wrapping with different materials C. To provide an additional barrier against microbial penetration D. To comply with color-coding protocols None 20. CRCST: Preparation and Packaging For instruments that require lubrication before sterilization, which of the following is the MOST appropriate type of lubricant? A. Petroleum-based lubricant B. Water-soluble lubricant C. Silicone-based lubricant D. Oil-based lubricant None 1 out of 20 Time is Up! Time's up