Test 6 Flashcards
Category: Cleaning, Decontamination & Disinfection
During the decontamination process, you notice an unidentified liquid on the floor. What should be your first action?
A. Use a mop to clean up the liquid
B. Alert a supervisor immediately
C. Put on protective gear and try to identify the liquid
D. Ignore it, it’s probably just water
The correct answer is B. Alert a supervisor immediately. Any unidentified liquid in a healthcare setting could potentially be hazardous. It is important not to try and clean it yourself (option A) or ignore it (option D) as this could risk spreading contamination or harm yourself or others. Option C may seem reasonable, but without knowing what the liquid is, it may not be safe to interact with it even with protective gear.
Category: Cleaning, Decontamination & Disinfection
Which of the following is not a source of bloodborne pathogens in a healthcare setting?
A. Blood
B. Saliva
C. Skin
D. Body fluids containing visible blood
The correct answer is C. Skin. Bloodborne pathogens are present in blood (A) and body fluids containing visible blood (D). They can also be present in saliva (B), especially during dental procedures. However, they are not present on unbroken skin (C).
Category: Cleaning, Decontamination & Disinfection
Which of the following is a rinsing requirement for high-level disinfection (HLD)?
A. Non-critical water
B. Tap water
C. Critical water
D. Distilled water
The correct answer is C. Critical water is required for rinsing after high-level disinfection (HLD). Critical water refers to water that has been treated to remove microorganisms, impurities, and chemicals that could compromise the disinfection process. It ensures that the equipment is thoroughly rinsed and free from any residual disinfectant or contaminants.
Category: Cleaning, Decontamination & Disinfection
What information should be included in proper documentation for high-level disinfection (HLD)?
A. Patient information
B. Technician’s favorite color
C. Exposure time and solution temperature
D. Equipment manufacturer’s address
The correct answer is C. Proper documentation for high-level disinfection (HLD) should include the exposure time and solution temperature. These parameters are critical for ensuring that the disinfection process is performed correctly and effectively. They provide a record of the conditions under which the equipment was disinfected and can be referenced if there are any concerns or issues.
Category: Cleaning, Decontamination & Disinfection
Which of the following is an essential safety measure when using high-level disinfection (HLD)?
A. Proper drying of equipment before use
B. Wearing a face mask during disinfection
C. Using diluted solution beyond the expiration date
D. Labeling the equipment with a false expiration date
The correct answer is A. Proper drying of equipment before use is an essential safety measure when using high-level disinfection (HLD). It helps prevent moisture-related issues, such as microbial growth or electrical hazards, that can compromise patient safety. Thorough drying ensures that the equipment is ready for use.
Category: Cleaning, Decontamination & Disinfection
Which type of air flow is most commonly used to maintain appropriate air flow when transferring items to the preparation area?
A. Positive pressure
B. Negative pressure
C. Laminar flow
D. Recirculation
The correct answer is B. Negative pressure.Negative pressure is the most commonly used type of air flow to maintain appropriate air flow when transferring items to the preparation area. Negative pressure systems create a pressure gradient that draws air into the preparation area, helping to prevent the escape of potentially contaminated air and reducing the risk of cross-contamination. Positive pressure systems, on the other hand, push air out of the preparation area and are typically used in other areas of the healthcare facility to prevent external contaminants from entering. Laminar flow is a controlled airflow pattern used in specific environments, such as operating rooms, and recirculation refers to the process of reusing filtered air within a space.
Category: Cleaning, Decontamination & Disinfection
In addition to maintaining appropriate air flow, what is another benefit of performing a visual check for cleanliness when transferring items to the preparation area?
A. Ensuring proper documentation of transferred items
B. Enhancing communication among team members
C. Reducing the risk of equipment damage during transfer
D. Identifying missing items or discrepancies in the count
The correct answer is D. Identifying missing items or discrepancies in the count. Performing a visual check for cleanliness not only helps identify visible residue or contaminants but also allows for the identification of missing items or discrepancies in the count. By visually inspecting the items during transfer, any discrepancies can be promptly addressed, reducing the risk of errors or missing items during the preparation process. While ensuring proper documentation, enhancing communication, and reducing the risk of equipment damage are all important considerations, identifying missing items or discrepancies in the count is a specific benefit of performing a visual check for cleanliness during item transfer.
Category: Cleaning, Decontamination & Disinfection
When disposing of used PPE, where should it be discarded?
A. Regular trash bin
B. Sharps container
C. Recyclable materials bin
D. Biohazard waste bin
The correct answer is D. Biohazard waste bin. Used PPE, especially those contaminated with body fluids, blood, or other potentially infectious material should be disposed of in a biohazard waste bin. This is to prevent potential spread of infection. Options A and C are incorrect because regular trash and recyclable bins do not have necessary precautions in place for handling biohazardous waste. Option B is also incorrect as sharps containers are specifically for sharp objects like needles, scalpels, etc.
Category: Cleaning, Decontamination & Disinfection
What is the first step when doffing PPE?
A. Remove gown
B. Remove gloves
C. Remove mask
D. Wash hands
The correct answer is B. Remove gloves. The first step in doffing PPE is to remove gloves since they are most likely to be heavily contaminated. Removing gloves first reduces the risk of self-contamination during the doffing process. The other steps typically follow in the order of gown, mask, and then hand hygiene. Therefore, options A, C, and D are incorrect.
Category: Cleaning, Decontamination & Disinfection
One morning, you arrive to find the decontamination area at a humidity level of 70%. What is the potential risk if this level is not corrected?
A. Increased microbial growth
B. Damage to delicate instruments due to static electricity
C. Slower drying times
D. All of the above
The correct answer is D. All of the above. A humidity level above the standard range of 40%-60% can increase microbial growth, cause damage to delicate instruments due to increased static electricity, and slow the drying times of instruments, which could potentially lead to microbial contamination.
Category: Cleaning, Decontamination & Disinfection
When measuring temperature and humidity, at what time of the day should these measurements ideally be taken?
A. At the start of each shift
B. At the peak of daily operations
C. During off-peak hours
D. Any time of the day
The correct answer is A. At the start of each shift. Taking measurements at the beginning of each shift ensures that the environment is within acceptable parameters and allows for early detection and correction of any issues. While measurements could technically be taken at any time (D), consistent timing helps ensure accurate tracking over time. B and C are incorrect as they may not represent the general conditions throughout the shift.
Category: Cleaning, Decontamination & Disinfection
Which piece of equipment would be best suited to clean delicate, hard-to-reach areas of surgical instruments?
A. Washer disinfector
B. Ultrasonic cleaner
C. Cart washer
D. Leak tester
The correct answer is B. Ultrasonic cleaner. Ultrasonic cleaners work by creating high frequency sound waves that generate microscopic bubbles in the cleaning solution. When these bubbles implode, they create a scrubbing action on a microscopic level which is ideal for cleaning intricate, hard-to-reach areas of instruments.
Category: Cleaning, Decontamination & Disinfection
If your washer disinfector is not operating correctly, what should be your immediate action?
A. Try to fix it yourself
B. Continue using it until maintenance can arrive
C. Notify your supervisor and stop using the machine
D. Switch to manual cleaning for all instruments
The correct answer is C. Notify your supervisor and stop using the machine. Using a malfunctioning washer disinfector can lead to ineffective cleaning and potential spread of pathogens. Trying to fix it yourself or switching to manual cleaning for all instruments may not be safe or effective.
Category: Cleaning, Decontamination & Disinfection
How should the results of efficacy testing for a washer/disinfector be interpreted?
A. By comparing the results with manufacturer’s guidelines.
B. By comparing the results with previous tests.
C. By using the clinical outcomes of patients.
D. By the technician’s judgment.
The correct answer is A. By comparing the results with manufacturer’s guidelines. Manufacturer’s guidelines provide the standards to which equipment should perform. Although B (comparing with previous tests) could be useful for monitoring trends, it is not the primary method of interpreting results. C (clinical outcomes) and D (technician’s judgment) would not provide accurate or consistent interpretations.
Category: Cleaning, Decontamination & Disinfection
You have discovered a malfunction in a washer-disinfector. How should you communicate this issue?
A. Verbally inform your immediate supervisor.
B. Write a note and leave it on the washer.
C. Report the issue in the equipment maintenance log and inform appropriate personnel.
D. Send an email to the entire department.
The correct answer is C. Proper protocol for reporting equipment malfunctions includes documenting the issue in the equipment maintenance log and informing appropriate personnel. This ensures the information is accurately recorded and reaches the right people. Verbally informing your supervisor (option A) might not be enough; leaving a note (option B) is not a reliable communication method; and sending an email to the entire department (option D) may not be necessary or appropriate.
Category: Cleaning, Decontamination & Disinfection
After a surgical procedure, you are tasked with the sorting of disposable and reusable items. What would be the correct course of action for dealing with laparoscopic tips?
A. Send them to a third-party recycling vendor.
B. Dispose of them in a sharps container.
C. Send them for reprocessing.
D. Throw them into the general waste bin.
The correct answer is C. Send them for reprocessing. Most laparoscopic tips are reusable and should be sent for reprocessing. A is incorrect because while some items can be recycled, this isn’t typically the case for laparoscopic tips. B is incorrect as these are not considered sharps and do not need to be placed in a sharps container. D is incorrect because they are reusable, not disposable.
Category: Cleaning, Decontamination & Disinfection
When selecting a brush for instrument cleaning, which factor should NOT be considered?
A. The size of the brush.
B. The color of the brush.
C. Whether the brush is single-use or reusable.
D. The type of bristles on the brush.
The correct answer is B. The color of the brush has no bearing on its effectiveness for cleaning. The size of the brush (A), whether it’s single-use or reusable (C), and the type of bristles on the brush (D) are all important factors to consider when selecting a cleaning brush.
Category: Cleaning, Decontamination & Disinfection
What is the recommended practice for opening and positioning instruments for decontamination?
A. Instruments should be open and evenly spaced.
B. Instruments should be closed and overlapping.
C. Instruments should be disassembled and piled together.
D. Instruments should be closed and stacked vertically.
The correct answer is A. Instruments should be open and evenly spaced for effective decontamination. Closed or overlapping instruments (B, D) and piled disassembled instruments (C) can limit exposure to cleaning agents, impairing the cleaning process.
Category: Cleaning, Decontamination & Disinfection
You find out that the temperature of a disinfectant solution is below the recommended range. What is the appropriate corrective action?
A. Dispose of the solution and prepare a new one
B. Add warm water to increase the temperature
C. Allow the solution to sit until it reaches room temperature
D. Adjust the solution’s temperature to the recommended range
The correct answer is D. Adjust the solution’s temperature to the recommended range. The temperature of a disinfectant solution is crucial to its effectiveness. If it’s too low, you should adjust it to the correct range. Disposing of the solution and preparing a new one, adding warm water, or waiting until it reaches room temperature could disrupt the balance of the solution and compromise its effectiveness.
Category: Cleaning, Decontamination & Disinfection
A co-worker in the decontamination area has been splashed with a chemical. There is an eyewash station in the room. What should you do?
A. Call 911
B. Guide them to the eyewash station and help them wash their eyes
C. Take them to the nearest sink and wash their eyes with tap water
D. Tell them to go to the hospital
The correct answer is B. Guide them to the eyewash station and help them wash their eyes. Immediate action is essential in such situations, and eyewash stations are specifically designed for chemical splashes. Although seeking further medical help may be necessary, immediate treatment at the eyewash station should be the first response. Calling 911 (A) or telling them to go to the hospital (D) would not provide the immediate care needed, and washing with tap water (C) may not be as effective.
Category: Cleaning, Decontamination & Disinfection
A technician is preparing a high-level disinfection (HLD) solution. They notice that the disinfectant concentrate has expired. What should the technician do?
A. Use the expired disinfectant concentrate since it is only slightly past the expiration date.
B. Proceed with the HLD process using the expired disinfectant concentrate, but increase the exposure time.
C. Dilute the expired disinfectant concentrate with water to compensate for its reduced effectiveness.
D. Dispose of the expired disinfectant concentrate and obtain a new, unexpired one.
The correct answer is D. Using expired disinfectant concentrate for high-level disinfection (HLD) may compromise the effectiveness of the process. It is important to follow the manufacturer’s instructions and adhere to proper dilution requirements, which often include using unexpired solutions. Disposing of the expired concentrate and obtaining a new, unexpired one ensures the potency and reliability of the HLD solution.
Category: Cleaning, Decontamination & Disinfection
You are transferring a set of endoscopes to the preparation area. As you inspect the endoscopes, you notice that one of the scope channels is clogged with debris. What should you do in this situation?
A. Proceed with transferring the endoscopes and address the clogged channel during the cleaning process
B. Use compressed air to forcefully clear the debris from the clogged channel before transferring the endoscopes
C. Inform the supervisor about the clogged channel and request guidance on how to proceed
D. Set aside the endoscope with the clogged channel for specialized cleaning and notify the reprocessing team
The correct answer is D. Set aside the endoscope with the clogged channel for specialized cleaning and notify the reprocessing team.Encountering a clogged channel in an endoscope during transfer requires immediate action to ensure proper reprocessing and prevent cross-contamination. In this scenario, the correct course of action is to set aside the endoscope with the clogged channel for specialized cleaning and notify the reprocessing team. Proceeding with the transfer without addressing the clogged channel may result in inadequate cleaning and potential harm to patients. Using compressed air to forcefully clear the debris can cause further damage to the endoscope and should not be attempted without appropriate training. Informing the supervisor and requesting guidance is important, but the immediate action should be to set aside the endoscope for specialized cleaning.
Category: Cleaning, Decontamination & Disinfection
After a particularly hectic day, you notice that the sink strainers in your work area are full and the drains are running slowly. Your shift is almost over. What should be your course of action?
A. Leave it for the next shift to handle
B. Clean the sink strainers and drains immediately
C. Report it to the maintenance department
D. Report it to your supervisor before leaving
The correct answer is B. Clean the sink strainers and drains immediately. Keeping the work area clean and functional is an essential part of a CRCST’s responsibilities. This includes regular maintenance tasks such as cleaning sink strainers and drains. Leaving the issue for the next shift (A) can disrupt their workflow and potentially compromise the cleanliness of the work area. Reporting it to maintenance (C) or your supervisor (D) without first addressing the issue yourself might lead to unnecessary delays.
Category: Cleaning, Decontamination & Disinfection
During a busy day, you notice that the washer-disinfector is not reaching the required temperature according to its IFU. What should you do?
A. Continue using the washer as long as it seems to be cleaning the instruments.
B. Try to fix the problem yourself to save time.
C. Notify a colleague and continue with your work.
D. Check the manufacturer’s IFU for troubleshooting tips and follow them.
The correct answer is D. When a piece of equipment like a washer-disinfector is not working properly, you should refer to the manufacturer’s IFU for troubleshooting tips and follow them. Option A is incorrect because even if the instruments seem clean, the disinfection may not be effective at a lower temperature. Option B is incorrect because attempting to fix the issue without the correct knowledge could make it worse. Option C is incorrect because simply notifying a colleague does not ensure the problem will be addressed appropriately.