St. Mark's Cbspd Certification Training / Chapter 5- Decontamination
Hello friends!
If you are here, looking at this test you are either very lost or very interested in passing the CBSPD Certification Test. (I hope its the latter)
I designed this test using direct facts and concepts from "The Basics of Sterile Processing" Sixth Edition Sterile Processing University, LLC. Chapter 5- Decontamination
Passing this test does not guarantee that you will pass the CBSPD Certification, but will help test your knowledge and understanding of the key concepts and practices within sterile processing.
If you have any questions or concerns pertaining to this test please feel free to email Read moreme at spd. Hanson@gmail. Com
I wish you the best of luck on your path to certification!
Kathy Hanson
Sterile Processing Educator
St. Mark's Hospital, SLC UT
Questions and Answers
- 1.
What is the most important part of the disinfection or sterilization process?
- A.
Thermal Disinfection
- B.
Chemical Disinfection
- C.
Pre-cleaning
- D.
Cleaning
Correct Answer
D. CleaningExplanation
Cleaning is the most important part of the disinfection or sterilization process because it removes dirt, debris, and organic matter from surfaces. This step is crucial because disinfection or sterilization cannot be effective if the surfaces are not clean. Cleaning helps to reduce the number of microorganisms present and prepares the surface for further disinfection or sterilization methods. Without proper cleaning, the effectiveness of thermal or chemical disinfection methods may be compromised, leading to potential contamination and infection risks.Rate this question:
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- 2.
What does the acronym IFU stand for?
- A.
Information For Us
- B.
Instructions For Use
- C.
Indications For Use
- D.
Interface Unit
- E.
It doesn't mean anything. It's a professional way of cursing out your coworkers.
Correct Answer
B. Instructions For UseExplanation
The acronym IFU stands for Instructions For Use. This term is commonly used in various industries to refer to the set of instructions or guidelines provided with a product or device on how to properly and safely use it. These instructions typically include information on installation, operation, maintenance, and troubleshooting. The purpose of IFUs is to ensure that users have all the necessary information and guidance to use the product effectively and avoid any potential risks or misuse.Rate this question:
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- 3.
To ensure that cleaning equipment is in good working order, all equipment used for cleaning should be maintained with a ________ program
- A.
Preventative Maintenance
- B.
Equipment Maintenance
- C.
Scheduled Service
- D.
Equipment Refurbishment
Correct Answer
A. Preventative MaintenanceExplanation
Preventative maintenance is the correct answer because it refers to the regular inspection, cleaning, and repair of equipment to prevent breakdowns and ensure its proper functioning. By implementing a preventative maintenance program, cleaning equipment can be regularly checked and maintained to avoid any potential issues or malfunctions. This helps to extend the lifespan of the equipment, improve its efficiency, and minimize the risk of unexpected breakdowns or failures during cleaning operations.Rate this question:
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- 4.
According to the CDC, training and competency verification should be required:
- A.
Every two years
- B.
Every year
- C.
Whenever a new device or instrument is introduced to the department.
- D.
Whenever an existing device or instrument manufacturer updates and/or changes a device or instrument's reprocessing procedures.
- E.
Upon initial hire
- F.
Whenever a surgical site infection occurs
Correct Answer(s)
B. Every year
C. Whenever a new device or instrument is introduced to the department.
D. Whenever an existing device or instrument manufacturer updates and/or changes a device or instrument's reprocessing procedures.
E. Upon initial hireExplanation
Training and competency verification should be required every year to ensure that healthcare professionals stay up to date with the latest practices and guidelines. Additionally, whenever a new device or instrument is introduced to the department, or when an existing device or instrument manufacturer updates or changes the reprocessing procedures, training and competency verification should also be conducted. This ensures that healthcare professionals are knowledgeable and skilled in handling and using these new or updated devices and instruments. Finally, training and competency verification should be done upon initial hire to ensure that new employees are properly trained and competent in their roles.Rate this question:
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- 5.
________ is defined as the "removal of contamination from an item to the extent necessary for further processing or for the intended use."
Correct Answer(s)
CleaningExplanation
Cleaning is the process of removing contamination from an item to the extent necessary for further processing or for the intended use. This involves the removal of dirt, dust, germs, stains, or any other unwanted substances from the surface or interior of the item. Cleaning is important to maintain hygiene, prevent the spread of diseases, and ensure the item functions properly.Rate this question:
- 6.
What are the two steps in the decontamination process?
- A.
Inspection
- B.
Manual or Automated Cleaning
- C.
Ultrasonic Cleaning
- D.
Thermal or Chemical Disinfection
- E.
Sterilization
Correct Answer(s)
B. Manual or Automated Cleaning
D. Thermal or Chemical DisinfectionExplanation
The decontamination process involves two steps: manual or automated cleaning and thermal or chemical disinfection. Manual or automated cleaning is the first step, where the contaminated surfaces or objects are physically cleaned to remove any visible dirt, debris, or contaminants. The second step is thermal or chemical disinfection, where heat or chemicals are used to kill or inactivate any remaining microorganisms that may be present on the surfaces or objects. These two steps together ensure that the decontamination process is effective in removing and eliminating any potential pathogens or contaminants.Rate this question:
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- 7.
What should the temperature range in the decontamination area be? Note: For the purposes of this test the symbol (*) should be referred to as the degree symbol. Unfortunately I am not skilled enough to figure out how to put that fancy degree circle in this test.
- A.
55*F - 60*F
- B.
60*F - 65*F
- C.
65*F - 70*FÂ
- D.
63*F - 68*F
Correct Answer
B. 60*F - 65*FExplanation
The correct answer is 60*F - 65*F because this temperature range falls within the recommended range for a decontamination area. It ensures that the area is not too cold or too hot, which could affect the effectiveness of the decontamination process. Maintaining a temperature between 60*F - 65*F helps to create an optimal environment for decontamination procedures.Rate this question:
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- 8.
What should the humidity range be in the decontamination area?
- A.
0% - 20%
- B.
25% - 40%
- C.
30% - 60%
- D.
35% - 65%
Correct Answer
C. 30% - 60%Explanation
The correct answer is 30% - 60%. This range of humidity is suitable for a decontamination area as it helps to prevent the growth of bacteria and other microorganisms. Humidity levels below 30% can cause the area to become too dry, which can lead to discomfort and irritation for individuals working in the area. On the other hand, humidity levels above 60% can create a moist environment that promotes the growth of mold and fungi, which can compromise the cleanliness and safety of the decontamination area. Therefore, maintaining a humidity range of 30% - 60% is essential for effective decontamination procedures.Rate this question:
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- 9.
The decontamination area should be designed to maintain positive air pressure to help contain contaminants inside the decontamination area.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The decontamination area should be designed to maintain negative air pressure to help contain contaminants inside the area. Positive air pressure would cause air to flow out of the decontamination area, potentially spreading contaminants to other areas.Rate this question:
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- 10.
How often should temperature and humidity be recorded and documented?
- A.
Hourly
- B.
2x's a day
- C.
Daily
- D.
Weekly
Correct Answer
C. DailyExplanation
Temperature and humidity should be recorded and documented daily to ensure accurate and up-to-date information. Daily recordings allow for better monitoring of any fluctuations or changes that may occur, which is crucial for maintaining optimal conditions in various settings such as laboratories, storage facilities, or even homes. Regular documentation also provides a reliable record for analysis and comparison over time, aiding in identifying patterns or potential issues that may arise.Rate this question:
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- 11.
How many air exchanges per hour should the decontamination area have?
- A.
4
- B.
10
- C.
14
- D.
20
Correct Answer
B. 10Explanation
The decontamination area should have 10 air exchanges per hour. This is important to ensure that the air in the area is constantly refreshed and any contaminants or pollutants are effectively removed. Having a higher number of air exchanges per hour helps to maintain a clean and safe environment for decontamination processes.Rate this question:
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- 12.
The use of PPE (personal protective equipment) is NOT optional and is regulated by which government agency?
- A.
OSHA / Occupational Safety and Health Administration
- B.
CDC / Center for Disease Control
- C.
APIC / Association for Professionals in Infection Control
- D.
FDA / Food and Drug Administration
- E.
Although PPE is mandatory, it is not regulated by a governing body. Rather, policies and procedures pertaining to PPE are created and enforced by the Hospital's "Standard Operating Procedure."Â
Correct Answer
A. OSHA / Occupational Safety and Health AdministrationExplanation
The correct answer is OSHA / Occupational Safety and Health Administration. OSHA is a government agency that is responsible for regulating and enforcing workplace safety standards, including the use of personal protective equipment (PPE). They establish guidelines and regulations to ensure that workers are protected from hazards and have access to appropriate PPE. The statement provided in the question that PPE is not regulated by a governing body and is instead enforced by a hospital's standard operating procedure is incorrect.Rate this question:
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- 13.
Select all the appropriate PPE for the decontamination area
- A.
Civilian Street Clothes
- B.
Surgical scrub attire
- C.
Eye and face shield
- D.
Non-skid "decontamination area only" shoes
- E.
Fluid resistant mask
- F.
Head covering (surgical bonnet or scrub cap)
- G.
Neck covering
- H.
Heavy duty gloves
- I.
Long-sleeved fluid resistant gown
- J.
Fluid protective shoe covers
Correct Answer(s)
B. Surgical scrub attire
C. Eye and face shield
E. Fluid resistant mask
F. Head covering (surgical bonnet or scrub cap)
H. Heavy duty gloves
I. Long-sleeved fluid resistant gown
J. Fluid protective shoe coversExplanation
The appropriate PPE for the decontamination area includes surgical scrub attire, eye and face shield, fluid resistant mask, head covering (surgical bonnet or scrub cap), heavy duty gloves, long-sleeved fluid resistant gown, and fluid protective shoe covers. These items provide protection against potential contaminants and help minimize the risk of exposure during the decontamination process. Civilian street clothes and neck covering are not mentioned as appropriate PPE for the decontamination area.Rate this question:
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- 14.
Wearing jewelry and having long fingernails is acceptable in the decontamination area because you are wearing gloves and therefore poses no risk of contamination
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This statement is false because wearing jewelry and having long fingernails is not acceptable in the decontamination area, even if gloves are worn. Jewelry and long fingernails can harbor bacteria and other contaminants, which can compromise the effectiveness of the decontamination process and increase the risk of contamination. Therefore, it is important to remove jewelry and keep fingernails short and clean in the decontamination area to maintain a safe and sterile environment.Rate this question:
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- 15.
In 2001 OSHA (Occupational Safety and Health Administration) required that ________ be confined and contained in impervious, leak-proof container.
- A.
Enzymatic chemicals
- B.
Sharps
- C.
Acid based cleaning agents
- D.
Discarded cleaning brushes
Correct Answer
B. SharpsExplanation
In 2001, OSHA (Occupational Safety and Health Administration) implemented a regulation that required sharps to be confined and contained in an impervious, leak-proof container. This regulation was put in place to ensure the safety of workers and prevent injuries or infections that can result from accidental contact with sharps, such as needles or blades. By confining and containing sharps in a proper container, the risk of exposure to bloodborne pathogens and other hazardous materials is minimized.Rate this question:
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- 16.
When transporting contaminated items, what type of label should be used to alert personnel that they contain potentially biohazardous materials?
- A.
Biochemical
- B.
Sharps
- C.
Bioburden
- D.
Biohazard
Correct Answer
D. BiohazardExplanation
The correct answer is Biohazard. When transporting contaminated items that contain potentially biohazardous materials, a biohazard label should be used to alert personnel. This label is commonly recognized as a symbol consisting of a black biohazard symbol on an orange background. It is important to use this label to ensure the safety of personnel and to communicate the potential risks associated with the materials being transported.Rate this question:
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- 17.
Soiled items should be transported immediately to the decontamination are for processing to prevent blood, body fluids, and other contaminants from drying on the surfaces.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Items that are soiled with blood, body fluids, and other contaminants should be transported immediately to the decontamination area for processing. This is because allowing these substances to dry on the surfaces can make it more difficult to remove them later on. By transporting the items promptly, the risk of cross-contamination and the spread of infectious agents can be minimized. Therefore, the statement "Soiled items should be transported immediately to the decontamination area for processing to prevent blood, body fluids, and other contaminants from drying on the surfaces" is true.Rate this question:
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- 18.
What is the policy regarding the use of saline on surgical instruments for soaking?
- A.
The use of saline is acceptable as long as instrumentation is removed from the solution and rinsed within 10 minutes.
- B.
The use of saline is acceptable because the sodium will make it easier to remove blood, film, and proteins from the surface of the instrument.
- C.
The use of saline is not acceptable because the sodium will cause blood and tissue to harden on the instruments.
- D.
The use of saline is not acceptable because it can damage the surface of the instrument.
Correct Answer
D. The use of saline is not acceptable because it can damage the surface of the instrument.Explanation
The correct answer is that the use of saline is not acceptable because it can damage the surface of the instrument. Saline is a solution of sodium chloride, and the sodium can cause corrosion or pitting on the surface of the instrument. This can compromise the integrity of the instrument and make it less effective or even unsafe to use during surgery. It is important to use appropriate cleaning and sterilization methods for surgical instruments to ensure their safety and effectiveness.Rate this question:
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- 19.
Soaking contaminated items in an enzyme solution at the point of use is discouraged because the solution must be discarded before transport. As each item is introduced into the solution, the contamination level increases, as does the potential for cross-contamination.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Soaking contaminated items in an enzyme solution at the point of use is discouraged because the solution must be discarded before transport. This is because as each item is introduced into the solution, the contamination level increases, as does the potential for cross-contamination. Therefore, it is true that soaking contaminated items in an enzyme solution at the point of use is discouraged.Rate this question:
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- 20.
If an instrument is discovered to be damaged in the decontamination area, it is permissible to skip the complete decontamination process because it will be sent out for repair and not used on a patient.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
It is not permissible to skip the complete decontamination process if an instrument is discovered to be damaged in the decontamination area, even if it will be sent out for repair and not used on a patient. The decontamination process is essential to ensure that all instruments are properly cleaned and sterilized to prevent the spread of infection. Skipping this process could lead to cross-contamination and compromise patient safety.Rate this question:
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- 21.
________ is defined as "the use of physical or chemical means to remove, inactivate, or destry blood-borne pathogens on a surface or item to the point where they are no longer capable of transmitting infectious particles and the surface or item is rendered safe for handling, use, or disposal"
Correct Answer
DecontaminationExplanation
Decontamination is the process of using physical or chemical methods to eliminate blood-borne pathogens from a surface or item. This process ensures that the pathogens are no longer capable of transmitting infectious particles, making the surface or item safe for handling, use, or disposal.Rate this question:
- 22.
What are the factors that affect cleaning? Select all that apply
- A.
Water quality
- B.
Water temperature
- C.
Cleaning activity of detergents
- D.
Mechanical action of the cleaning process
- E.
Nature and design of the instruments or devices
- F.
Type of soil
- G.
Human factors
- H.
Cleaning verification
- I.
Quality assurance
Correct Answer(s)
A. Water quality
B. Water temperature
C. Cleaning activity of detergents
D. Mechanical action of the cleaning process
E. Nature and design of the instruments or devices
F. Type of soil
G. Human factors
H. Cleaning verification
I. Quality assuranceExplanation
The factors that affect cleaning include water quality, water temperature, cleaning activity of detergents, mechanical action of the cleaning process, nature and design of the instruments or devices, type of soil, human factors, cleaning verification, and quality assurance. These factors can all impact the effectiveness and efficiency of the cleaning process. Water quality and temperature can affect the solubility of soils and the performance of detergents. The cleaning activity of detergents and the mechanical action of the cleaning process contribute to the physical removal of soils. The nature and design of instruments or devices can affect their cleanability. The type of soil can determine the appropriate cleaning method. Human factors, such as training and technique, can also influence cleaning outcomes. Cleaning verification and quality assurance ensure that cleaning is being performed correctly and meets established standards.Rate this question:
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- 23.
What are the basic steps in the cleaning process? Select all that apply
- A.
Pre-soaking
- B.
Sorting
- C.
Disposing single use only items
- D.
Washing
- E.
Repairing
- F.
Tagging damaged instrumentation
- G.
Rinsing
- H.
Drying
- I.
Inspecting
Correct Answer(s)
A. Pre-soaking
B. Sorting
C. Disposing single use only items
D. Washing
G. Rinsing
H. Drying
I. InspectingExplanation
The basic steps in the cleaning process include pre-soaking, sorting, disposing single use only items, washing, rinsing, drying, and inspecting. Pre-soaking is done to loosen dirt and stains before washing. Sorting is necessary to separate different types of items and prevent damage. Disposing single use only items ensures that contaminated or disposable items are properly discarded. Washing involves using detergent and water to clean the items. Rinsing removes any remaining detergent or debris. Drying is important to prevent the growth of bacteria or mold. Inspecting is done to ensure that the items are clean and in good condition.Rate this question:
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- 24.
What is defined as "groups or collections of microorganisms and extracellular material that adhere to the surface of any object and are protected by a slimy film (polysaccharides)
- A.
Biofilm
- B.
Bioburden
- C.
MRSA (Methicillin-resistant Staphylococcus aureus)
- D.
Gram-Positive Bacteria
Correct Answer
A. BiofilmExplanation
Biofilm is defined as groups or collections of microorganisms and extracellular material that adhere to the surface of any object and are protected by a slimy film (polysaccharides).Rate this question:
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- 25.
Why are biofilms so concerning as it pertains to sterile processing?
- A.
Biofilms are extremely corrosive to surgical instruments
- B.
Biofilms can affect water quality which therefore affects the cleaning process
- C.
Biofilms can not be easily removed from instrumentation and are extremely resistant to many methods of cleaning and disinfection
- D.
Biofilms can cause discoloration on instruments that are difficult to remove.
Correct Answer
C. Biofilms can not be easily removed from instrumentation and are extremely resistant to many methods of cleaning and disinfectionExplanation
Biofilms are a concern in sterile processing because they cannot be easily removed from instrumentation and are highly resistant to many cleaning and disinfection methods. This means that even with thorough cleaning protocols, biofilms can still remain on surgical instruments, posing a risk for contamination and infection. As biofilms are difficult to eliminate, they can compromise the effectiveness of the sterilization process and increase the potential for transmission of pathogens. Therefore, it is crucial to address biofilms in order to maintain the sterility and safety of medical instruments.Rate this question:
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- 26.
The relative acidity or alkalinity of a solution is referred to as its
- A.
Water quality
- B.
Neutral solution
- C.
PH
- D.
Acidity solution
Correct Answer
C. PHExplanation
The relative acidity or alkalinity of a solution is referred to as its pH. pH is a measure of the concentration of hydrogen ions in a solution, which determines its acidity or alkalinity. A pH value below 7 indicates acidity, while a pH value above 7 indicates alkalinity. The pH scale ranges from 0 to 14, with 7 being considered neutral. Therefore, pH is the correct answer as it accurately represents the concept of measuring the acidity or alkalinity of a solution.Rate this question:
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- 27.
What are the two types of water used in processing?
- A.
Utility water
- B.
Acidic water
- C.
Alkaline water
- D.
Critical water
Correct Answer(s)
A. Utility water
D. Critical waterExplanation
The two types of water used in processing are utility water and critical water. Utility water refers to the water that is used for general purposes such as cleaning, heating, and cooling. Critical water, on the other hand, is a specialized type of water that is used in critical processes where high purity is required, such as in pharmaceutical or electronic manufacturing.Rate this question:
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- 28.
If the water pH in decontamination is tested and the result is "4" that means the water is
- A.
Alkaline
- B.
Neutral
- C.
Acidic
- D.
Corrosive
Correct Answer
C. AcidicExplanation
A pH value of 4 indicates that the water is acidic. The pH scale ranges from 0 to 14, with values below 7 indicating acidity. Therefore, a pH of 4 suggests that the water has a high concentration of hydrogen ions, making it acidic in nature.Rate this question:
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- 29.
Water pH can affect the efficacy of the detergents and disinfectants used in processing
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Water pH can indeed affect the efficacy of detergents and disinfectants used in processing. pH is a measure of the acidity or alkalinity of a solution, and different pH levels can impact the performance of cleaning agents. For example, some detergents are more effective in acidic conditions, while others work better in alkaline conditions. Similarly, the effectiveness of disinfectants can also be influenced by pH. Therefore, it is important to consider the pH of the water used in processing to ensure that the detergents and disinfectants are working optimally.Rate this question:
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- 30.
This is defined as a fever producing agent. Using critical water is recommended for the final rinse of all medical devices to reduce the potential for this to form and re-contaminate instruments
- A.
Fire bacteria
- B.
Pyrogen
- C.
Thermal microorganism
- D.
Saturday Night Fever bacterium
Correct Answer
B. PyrogenExplanation
Pyrogen is the correct answer because it is defined as a fever producing agent. The use of critical water for the final rinse of medical devices is recommended to reduce the potential for pyrogen formation and re-contamination of instruments.Rate this question:
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- 31.
This is defined as cleaning agents that lower surface tension, dislodging soils and dissolving or suspending them in the solution so they can be removed by washing and rinsing.
- A.
Enzymatic solutions
- B.
Soap
- C.
Detergents
- D.
Phosphate cleaners
Correct Answer
C. DetergentsExplanation
Detergents are cleaning agents that have the ability to lower the surface tension of liquids. This property allows them to effectively dislodge and remove soils from surfaces. Detergents work by dissolving or suspending the dirt and grime in the cleaning solution, making it easier to wash and rinse them away. They are commonly used in household cleaning products as well as in industrial and commercial settings.Rate this question:
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- 32.
What are the factors that must be considered in the selection of a detergent? Select all that apply
- A.
Quality of the available water
- B.
The cost of the detergent
- C.
The water temperature
- D.
The type and amount of soil on the item
- E.
The materials the items are made of
- F.
The amount of solution you will need to use
- G.
The manner in which the item will be cleaned
Correct Answer(s)
A. Quality of the available water
C. The water temperature
D. The type and amount of soil on the item
E. The materials the items are made of
G. The manner in which the item will be cleanedExplanation
In selecting a detergent, several factors must be considered. The quality of the available water is important as it can affect the performance of the detergent. The water temperature is also a factor as some detergents work better in hot water. The type and amount of soil on the item is crucial as different detergents are designed to tackle specific types of dirt. The materials the items are made of should be considered to avoid damage. Lastly, the manner in which the item will be cleaned is important as some detergents may be more suitable for hand washing or machine washing.Rate this question:
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- 33.
What is the appropriate temperature range for water when used with enzymatic based detergents?
- A.
90*F - 110*F
- B.
70*F - 90*F
- C.
109*F - 140*F
- D.
123*F - 150*F
Correct Answer
C. 109*F - 140*FExplanation
Enzymatic based detergents are designed to work most effectively within a specific temperature range. The appropriate temperature range for water when used with enzymatic based detergents is 109*F - 140*F. This temperature range allows the enzymes in the detergent to function optimally and break down stains and dirt effectively. Water that is too hot or too cold may denature or deactivate the enzymes, reducing the detergent's cleaning power. Therefore, maintaining the water temperature within this range ensures the best results when using enzymatic based detergents.Rate this question:
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- 34.
Water temperatures that exceed 140* F are recommended with the use of enzymatic detergents because the heat helps remove soils and inactivates proteins found on instruments.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Enzymatic detergents are designed to remove soils and proteins from instruments. However, water temperatures exceeding 140°F are not recommended because they can cause denaturation of proteins and decrease the effectiveness of enzymatic action. Therefore, the statement that water temperatures above 140°F are recommended with the use of enzymatic detergents is false.Rate this question:
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- 35.
This type of detergent is not compatible with anodized aluminum rigid sterilization containers, rubber, some plastics, and other materials. It is, however safe and effective for stainless steel.
- A.
Organic acid detergents
- B.
High-alkaline detergents
- C.
Enzymatic based detergents
- D.
Non-abrasive cleaning agents
Correct Answer
B. High-alkaline detergentsExplanation
High-alkaline detergents are not compatible with anodized aluminum rigid sterilization containers, rubber, some plastics, and other materials. However, they are safe and effective for stainless steel. This suggests that high-alkaline detergents may have corrosive properties that could damage or react with certain materials, but they are suitable for cleaning stainless steel surfaces.Rate this question:
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- 36.
This type of cleaning agent is an organic compound that is made from products found in nature. These are generally considered difficult to rinse off however, some device manufacturers recommend the use of this to clean due to potential patient sensitivity.
- A.
Soaps
- B.
High-alkaline detergents
- C.
Organic acid detergents
- D.
Non-abrasive cleaning agents
Correct Answer
A. SoapsExplanation
Soaps are a type of cleaning agent that is made from organic compounds found in nature. They are generally considered difficult to rinse off, but some device manufacturers recommend their use because they are less likely to cause sensitivity in patients.Rate this question:
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- 37.
This type of cleaning agent is used for removing stubborn soils and stains, however these specially formulated agents can be difficult to remove and must be thoroughly rinsed away
- A.
Enzymatic Detergents
- B.
Organic acid detergents
- C.
High-alkaline detergents
- D.
Soaps
- E.
Non-abrasive cleaning agents
Correct Answer
E. Non-abrasive cleaning agentsExplanation
Non-abrasive cleaning agents are the correct answer because they are used for removing stubborn soils and stains. These agents are specially formulated to effectively clean without scratching or damaging the surface. However, they can be difficult to remove and must be thoroughly rinsed away to ensure there is no residue left behind.Rate this question:
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- 38.
To remove severe stains and rust from stainless steel instruments, soak in this type of cleaning agent for 5-10 minutes. After soaking, the instruments are treated with a neutral pH detergent, manually washed and thoroughly rinsed.
- A.
Enzyme based detergents
- B.
Organic acid detergents
- C.
High-alkaline detergents
- D.
Non-abrasive cleaning agents
- E.
Soaps
Correct Answer
B. Organic acid detergentsExplanation
Organic acid detergents are suggested as the correct answer because they are effective in removing severe stains and rust from stainless steel instruments. These detergents work by breaking down the stains and rust due to their acidic properties. After soaking the instruments in the organic acid detergent for 5-10 minutes, they are then treated with a neutral pH detergent to ensure thorough cleaning. This combination of using an organic acid detergent followed by a neutral pH detergent helps in effectively cleaning the instruments without causing any damage.Rate this question:
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- 39.
Only the parts of an instrument that come into direct contact with the patient must come into contact with a cleaning agent. Cleaning only the working part of an instrument is an acceptable way to save time during the cleaning process.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Cleaning only the working part of an instrument is not an acceptable way to save time during the cleaning process. All parts of an instrument that come into direct contact with the patient must be cleaned with a cleaning agent to ensure proper hygiene and prevent the spread of infections. Neglecting to clean any part of the instrument can lead to contamination and pose a risk to the patient's health. Therefore, the statement is false.Rate this question:
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- 40.
Friction is one of the main principles of cleaning and is created by scrubbing an instrument in manual cleaning.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Friction is indeed one of the main principles of cleaning. When we scrub an instrument manually, the friction between the cleaning tool and the surface helps to remove dirt, stains, and debris effectively. The rubbing action generates heat and kinetic energy, which aids in dislodging particles and breaking down substances. Therefore, the statement "Friction is one of the main principles of cleaning and is created by scrubbing an instrument in manual cleaning" is true.Rate this question:
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- 41.
To prevent damage to instruments, these types of instruments should always be placed on top of heavy items when they are being sorted into trays for cleaning
- A.
Delicate
- B.
Sharp
- C.
Disposable
- D.
Multi-part
Correct Answer
A. DelicateExplanation
Delicate instruments are prone to damage and require extra care. Placing them on top of heavy items in trays for cleaning ensures that they are not crushed or damaged by the weight of other instruments. This arrangement ensures that delicate instruments remain safe during the cleaning process, minimizing the risk of any damage.Rate this question:
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- 42.
Unless recommended otherwise by the manufacturer, items that can be disassembled should be assembled for cleaning to reduce the risk of damage to the instrument.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because unless recommended otherwise by the manufacturer, items that can be disassembled should not be assembled for cleaning. Assembling them for cleaning can actually increase the risk of damage to the instrument.Rate this question:
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- 43.
How often should rigid sterilization container systems be cleaned?
- A.
Daily
- B.
Weekly
- C.
Monthly
- D.
After each use; before they are resterilized and reused.
Correct Answer
D. After each use; before they are resterilized and reused.Explanation
Rigid sterilization container systems should be cleaned after each use, before they are resterilized and reused. This is important to maintain proper sterilization and prevent the spread of infections. Cleaning the containers after each use helps remove any remaining debris or contaminants, ensuring that the next sterilization cycle is effective. Regular cleaning also helps prolong the lifespan of the containers and ensures their functionality. Therefore, it is necessary to clean the containers after each use before they are resterilized and reused.Rate this question:
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- 44.
Which of the following statements about manual cleaning water is correct?
- A.
Change the detergent / water when the water is visibly soiled
- B.
Change the detergent / water every hour
- C.
Change the detergent/ water frequently
- D.
Change the detergent / water after every tray
Correct Answer
C. Change the detergent/ water frequentlyExplanation
The correct answer is "Change the detergent / water frequently." This means that when manually cleaning water, it is necessary to change the detergent and water regularly. This is important to ensure that the water remains clean and free from any contaminants. Changing the detergent and water frequently helps maintain the cleanliness and effectiveness of the cleaning process.Rate this question:
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- 45.
Because steam is known to leave residuals that build up over time, it is recommended that rigid containers are cleaned after every use according to manufacture recommendations
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Steam is known to leave residuals that can accumulate over time, which can potentially affect the cleanliness and functionality of rigid containers. Therefore, it is recommended to clean these containers after each use, following the manufacturer's guidelines. This ensures that any residual steam or other substances are removed, maintaining the container's hygiene and preventing any potential issues that may arise from the buildup of residues.Rate this question:
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- 46.
What are the AAMI (Association for the Advancement of Medical Instrumentation) recommendations for the sinks used for manual cleaning? Select all that apply
- A.
36 inches from the floor (height)
- B.
8 - 10 inches deep
- C.
4 inches larger than the biggest tray that will be placed into the sink (width and length)
- D.
5 gallon capacity
- E.
There are no AMMI standards pertaining to the configuration of manual cleaning sinks
Correct Answer(s)
A. 36 inches from the floor (height)
B. 8 - 10 inches deep
C. 4 inches larger than the biggest tray that will be placed into the sink (width and length)Explanation
The AAMI (Association for the Advancement of Medical Instrumentation) recommends that sinks used for manual cleaning should be 36 inches from the floor in height, 8-10 inches deep, and 4 inches larger than the biggest tray that will be placed into the sink in terms of width and length. These recommendations ensure that the sinks are at a comfortable height for the user, have sufficient depth for effective cleaning, and are large enough to accommodate the largest trays used in the cleaning process.Rate this question:
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- 47.
What are the functions of the three sinks used in manual cleaning? Select all that apply
- A.
Pre-soaking/washing
- B.
Preliminary Rinsing
- C.
Secondary Rinsing
- D.
Final Rinsing
Correct Answer(s)
A. Pre-soaking/washing
B. Preliminary Rinsing
D. Final RinsingExplanation
The three sinks used in manual cleaning serve different functions. Pre-soaking/washing is the first step, where items are soaked or washed to remove initial dirt and debris. Preliminary rinsing is the next step, where items are rinsed to remove any remaining dirt or residue. Finally, the last step is the final rinsing, where items are thoroughly rinsed to ensure they are clean and free from any cleaning agents. Secondary rinsing is not mentioned as one of the functions, so it is not applicable in this case.Rate this question:
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- 48.
The pH of cleaning solution should be between
- A.
4-7
- B.
5-8
- C.
7-9
- D.
9-10
Correct Answer
C. 7-9Explanation
The pH of a cleaning solution should be between 7-9. This range is considered optimal for cleaning because it allows for effective removal of dirt and stains without causing damage to the surfaces being cleaned. Solutions with a pH below 7 are acidic and may be too harsh, while solutions with a pH above 9 are alkaline and may leave residue or cause discoloration. Therefore, a pH range of 7-9 strikes a balance between effectiveness and safety for most cleaning applications.Rate this question:
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- 49.
Whenever the detergent solution is changed, the sink basin should be cleaned before it is refilled.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
When the detergent solution is changed, it is important to clean the sink basin before refilling it. This is necessary to remove any residue or dirt left behind from the previous solution, ensuring that the new solution is clean and effective. Failing to clean the sink basin can result in contamination of the new detergent solution, reducing its ability to clean effectively. Therefore, it is necessary to clean the sink basin before refilling it with a new detergent solution.Rate this question:
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- 50.
The process by which ultrasonic cleaners work is called
- A.
Impingement
- B.
Cavitation
- C.
Transduction
- D.
Ultrasonicism
Correct Answer
B. CavitationExplanation
Cavitation is the correct answer because it refers to the process by which ultrasonic cleaners work. Ultrasonic cleaners use high-frequency sound waves to create tiny bubbles in a cleaning solution. These bubbles then collapse rapidly, creating a scrubbing action that helps to remove dirt and debris from objects being cleaned. This process is known as cavitation and is the key mechanism behind the effectiveness of ultrasonic cleaners.Rate this question:
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