IAHCSMM: Certified Instrument Specialist Exam! Trivia Questions Quiz

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  • 1/100 Questions

    Instruments received from Surgery and tagged for repair do not need to be cleaned until they come back from repair.

    • True
    • False
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About This Quiz

This Certified Instrument Specialist Exam by IAHCSMM assesses knowledge in proper sterilization, cleaning processes, and maintenance of surgical instruments. It covers ultrasonic cleaning, impingement, and handling of powered surgical instruments, essential for professionals in healthcare sterilization.

IAHCSMM: Certified Instrument Specialist Exam! Trivia Questions Quiz - Quiz

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  • 2. 

    PPE should be changed immediately if it becomes soaked with blood or other infectious material.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    PPE (Personal Protective Equipment) should be changed immediately if it becomes soaked with blood or other infectious material because this can increase the risk of contamination and transmission of pathogens. Soaked PPE may not provide adequate protection and can potentially expose the wearer to harmful substances. Therefore, it is crucial to replace the PPE promptly to ensure the safety of the individual and prevent the spread of infections.

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  • 3. 

    Used in open heart surgery.

    • Sternal Saw

    • Micro Drill

    Correct Answer
    A. Sternal Saw
    Explanation
    The correct answer is Sternal Saw. This tool is used in open heart surgery to cut through the sternum, or breastbone, allowing access to the heart. It is specifically designed for this purpose, with a small, handheld saw blade that can safely and efficiently cut through the bone. The sternal saw is an essential tool in cardiac surgery, as it enables surgeons to perform procedures such as coronary artery bypass grafting or valve replacement.

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  • 4. 

    Used to harvest skin grafts and reshape skin surfaces.

    • Dermatome/Dermabraider

    • Micro Drill

    Correct Answer
    A. Dermatome/Dermabraider
    Explanation
    A dermatome/dermabraider is a medical instrument used for harvesting skin grafts and reshaping skin surfaces. It is specifically designed for this purpose and is commonly used in dermatology and plastic surgery procedures. The instrument allows for precise and controlled removal of thin layers of skin, which can then be used for grafting or reshaping purposes. The dermatome/dermabraider is an essential tool in these procedures as it ensures accurate and efficient removal of skin, minimizing trauma and promoting better healing outcomes.

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  • 5. 

    The mechanical process by which an ultrasonic cleaner works is called cavitation.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that cavitation is indeed the mechanical process by which an ultrasonic cleaner works. Cavitation refers to the formation and implosion of tiny bubbles in a liquid due to the rapid changes in pressure caused by high-frequency sound waves. These bubbles collapse near the surface of the object being cleaned, creating intense scrubbing action that helps remove dirt and contaminants. Therefore, it is true that cavitation is the mechanical process behind the functioning of an ultrasonic cleaner.

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  • 6. 

    To prevent aerosols, items should be brushed below the surface of the water.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Brushing items below the surface of the water can help prevent aerosols. When items are submerged, the water acts as a barrier, preventing the aerosols from being released into the air. This is particularly important in situations where there may be harmful particles or contaminants present in the aerosols. By keeping items below the surface of the water, the risk of inhaling or spreading these aerosols is reduced, contributing to a safer environment.

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  • 7. 

    Specialized clothing or equipment worn by an employee for protection against a hazard is called:

    • Restricted Apparel

    • Safety Apparel

    • Hazard Equipment

    • Personal Protective Equipment

    Correct Answer
    A. Personal Protective Equipment
    Explanation
    Personal Protective Equipment refers to specialized clothing or equipment that is worn by employees to protect them from potential hazards in the workplace. This can include items such as helmets, goggles, gloves, masks, and safety shoes. The purpose of personal protective equipment is to minimize the risk of injury or illness caused by exposure to dangerous substances or environments. It is an essential requirement in many industries to ensure the safety and well-being of employees.

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  • 8. 

    When assembling an instrument set, heavier instruments should be placed on top of the lighter ones to hold them in place.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    In the context of assembling an instrument set, the statement that heavier instruments should be placed on top of the lighter ones to hold them in place is false. In reality, it is recommended to place heavier instruments at the bottom of the set to provide stability and prevent any potential damage to the lighter instruments. Placing heavier instruments on top could lead to instability and increase the risk of the set falling or getting damaged.

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  • 9. 

    Loaner instruments trays that are received sterile from other facilities do not need to be decontaminated and resterilized before use.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Loaner instrument trays that are received sterile from other facilities still need to be decontaminated and resterilized before use. This is because even though they may be received sterile, there is still a risk of contamination during transportation or storage. Decontamination and resterilization ensure that the instruments are safe for use and free from any potential pathogens or contaminants.

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  • 10. 

    Laparoscopic instrument insulation failure can cause burns.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Laparoscopic instrument insulation failure can cause burns because when the insulation of the instrument fails, it can lead to direct contact between the instrument and the surrounding tissue. This can result in the transfer of electrical energy to the tissue, causing thermal injury and burns. Therefore, it is important to ensure that the insulation of laparoscopic instruments is intact to prevent such burns during surgical procedures.

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  • 11. 

    Flexible endoscopes that fail a leak test may continue to be used until the break/hole impacts the scope's function.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because if a flexible endoscope fails a leak test, it means that there is a break or hole in the scope, which can compromise its functionality and potentially lead to contamination or injury during procedures. Therefore, it is not safe to continue using a flexible endoscope that fails a leak test.

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  • 12. 

    After use, loaner instrumentation must be decontaminated before it is shipped out.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    It is necessary to decontaminate loaner instrumentation before shipping it out after use. This is important to ensure that any potential contaminants or pathogens are removed, preventing the spread of infections or diseases. Decontamination is a standard procedure in healthcare settings to maintain a clean and safe environment for patients and healthcare professionals. Failing to decontaminate loaner instrumentation can pose a risk to the recipients and violate safety protocols. Therefore, the statement "After use, loaner instrumentation must be decontaminated before it is shipped out" is true.

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  • 13. 

    Log books should be maintained when using Gluataraldehyde and OPA.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Log books should be maintained when using Glutaraldehyde and OPA because these are high-level disinfectants that are used in medical and laboratory settings. Keeping a log book helps to ensure that the proper procedures and protocols are followed when using these chemicals, including the correct concentration, exposure time, and safety precautions. It also allows for easy tracking and documentation of usage, which is important for quality control, regulatory compliance, and monitoring any potential adverse effects or incidents.

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  • 14. 

    Powered surgical instruments:

    • Can not be immersed

    • Can be immersed

    • Should be cleaned at the point of use

    • Should be cleaned using a mechanical washer

    Correct Answer
    A. Can not be immersed
    Explanation
    Powered surgical instruments cannot be immersed because they contain electrical components that can be damaged by water. Immersion can cause short circuits, corrosion, and other damage to the instrument. Therefore, it is important to clean these instruments using alternative methods that do not involve submerging them in water.

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  • 15. 

    Which of the following statements about the use of mechanical washers is NOT true?

    • Multi-level trays should be separated

    • Trays with lids should be opened

    • Instruments should be disassembled and opened

    • All items should be washed on the same cycle

    Correct Answer
    A. All items should be washed on the same cycle
    Explanation
    The statement "all items should be washed on the same cycle" is not true because different items may have different washing requirements, such as different water temperatures or cycle lengths. It is important to follow the manufacturer's instructions and guidelines for washing different items separately or on different cycles to ensure proper cleaning and prevent damage to the items.

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  • 16. 

    Written cleaning instructions for surgical instruments should be provided by:

    • The mechanical washer manufacturer

    • The instrument manufacturer

    • The detergent manufacturer

    • The healthcare facility

    Correct Answer
    A. The instrument manufacturer
    Explanation
    The instrument manufacturer should provide the written cleaning instructions for surgical instruments because they are the ones who have the knowledge and expertise about their specific instruments. They are aware of the materials used in the instruments and the proper cleaning methods that should be followed to ensure their longevity and effectiveness. Additionally, they are also aware of any specific precautions or considerations that need to be taken into account during the cleaning process. Therefore, it is the responsibility of the instrument manufacturer to provide accurate and detailed cleaning instructions to healthcare facilities.

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  • 17. 

    A process by which all forms of microbial life are destroyed.

    • Sterilization

    • Disinfection

    Correct Answer
    A. Sterilization
    Explanation
    Sterilization refers to a process that eliminates or destroys all forms of microbial life, including bacteria, viruses, fungi, and spores. It is a highly effective method of ensuring complete removal of microorganisms and their reproductive capabilities. Sterilization is commonly used in medical settings, laboratories, and food processing industries to prevent the spread of infections and diseases. It involves the use of various physical or chemical methods such as heat, radiation, filtration, or chemical agents to achieve complete microbial eradication. Disinfection, on the other hand, refers to the process of killing or inactivating most pathogenic microorganisms, but it may not eliminate all types of microorganisms.

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  • 18. 

    Items that are introduced directly into the bloodsteam or other normally sterile areas of the body are classified as:

    • Critical Items

    • Semi-Critical Items

    • Non-Critical Items

    • Equipment

    Correct Answer
    A. Critical Items
    Explanation
    Critical items are items that are introduced directly into the bloodstream or other normally sterile areas of the body. These items have a high risk of causing infection if not properly sterilized or if contaminated. Examples of critical items include surgical instruments, needles, and catheters. These items require meticulous cleaning, sterilization, and handling to prevent the transmission of infectious agents.

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  • 19. 

    Microgrind, or Supercut Scissors are usually indentified with a black handle.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Microgrind or Supercut Scissors are typically identified with a black handle. This means that most of these types of scissors have a black handle as a distinguishing feature.

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  • 20. 

    The purpose of a suction stylet is to:

    • Unclog the suction during surgery

    • Clean the suction in the decontamination area

    • Facilitate the sterilization process

    • Provide a measuring quide for the surgeon

    Correct Answer
    A. Unclog the suction during surgery
    Explanation
    A suction stylet is a medical instrument used during surgery to remove fluid and debris from the surgical field. It is designed to unclog the suction system, ensuring that it remains clear and effective throughout the procedure. This helps maintain a clear field of vision for the surgeon and ensures that the surgical site remains clean and free from any obstructions. The purpose of the suction stylet is not to clean the suction in the decontamination area, facilitate sterilization, or provide a measuring guide for the surgeon.

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  • 21. 

    Powered surgical instruments have one of three power sources; electricity, air, or battery.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Powered surgical instruments can indeed have one of three power sources: electricity, air, or battery. Electricity-powered instruments are connected to a power source through a cord, while air-powered instruments use compressed air to generate the necessary power. Battery-powered instruments, on the other hand, rely on rechargeable batteries for their operation. Therefore, the statement "Powered surgical instruments have one of three power sources; electricity, air, or battery" is true.

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  • 22. 

    Loaner instruments should:

    • Be decontaminated if they appear soiled upon arrival

    • Be sterilized using a low temperature process

    • Be decontaminated before use

    • Not be used

    Correct Answer
    A. Be decontaminated before use
    Explanation
    Loaner instruments should be decontaminated before use to ensure that they are free from any potential pathogens or contaminants that could pose a risk to the patient. This step is necessary even if the instruments do not appear visibly soiled upon arrival, as some microorganisms may not be visible to the naked eye. Decontamination before use helps to maintain a sterile and safe environment for the patient and prevents the spread of infections. Sterilization using a low-temperature process may also be necessary to further ensure the instruments are free from any microorganisms.

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  • 23. 

    Automatic washers clean using a spray-force action called impingement.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Automatic washers clean using a spray-force action called impingement. This means that water is sprayed onto the clothes with force, which helps to remove dirt and stains more effectively. The force of the spray helps to agitate the clothes and dislodge any particles or grime. Therefore, the statement "Automatic washers clean using a spray-force action called impingement" is true.

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  • 24. 

    Endoscope channels should be cleaned and then left moist for storage.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Endoscope channels should not be left moist for storage. Moisture left in the channels can promote the growth of bacteria and other microorganisms, leading to contamination. After cleaning, endoscope channels should be thoroughly dried to ensure proper storage and prevent the risk of infection during subsequent use.

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  • 25. 

    The biggest advantage to battery-powered surgical instruments is that they can be immersed for cleaning.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Battery-powered surgical instruments cannot be immersed for cleaning as water can damage the electrical components of the instrument. Therefore, the statement is false.

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  • 26. 

    Some tissue forceps have teeth.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Tissue forceps are surgical instruments used to grasp and hold tissues during surgical procedures. Some types of tissue forceps, known as "toothed" or "rat-tooth" forceps, have small, fine teeth on their tips. These teeth provide a firmer grip on tissues, allowing for better control and manipulation. Toothed tissue forceps are often used when handling tougher or more fibrous tissues. However, there are also "non-toothed" or "smooth" tissue forceps available, which have smooth tips and are better suited for delicate tissues. 

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  • 27. 

    Detergents used in mechanical cleaners should be:

    • Low alkaline

    • Low acid

    • Low temperature

    • Low foaming

    Correct Answer
    A. Low foaming
    Explanation
    Detergents used in mechanical cleaners should be low foaming because excessive foam can interfere with the cleaning process and cause issues such as reduced cleaning efficiency, overflow, and damage to the equipment. Low foaming detergents ensure that the cleaning solution can effectively reach the surfaces being cleaned without creating excessive foam. This allows for better contact between the detergent and the dirt or stains, resulting in more effective cleaning. Additionally, low foaming detergents are easier to rinse off, leaving behind minimal residue.

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  • 28. 

    Kerrison Laminectomy Ronguers should be tested using:

    • Tissue paper

    • A plastic dowel rod

    • Rubber testing material

    • An index card

    Correct Answer
    A. An index card
    Explanation
    An index card should be used to test Kerrison Laminectomy Ronguers. This is because an index card is a stiff material that can simulate the resistance and toughness of bone, which is the intended purpose of the testing. Tissue paper, a plastic dowel rod, and rubber testing material are not suitable for this purpose as they do not accurately mimic the properties of bone.

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  • 29. 

    Used to perform specific cutting actions such as reciprocating or oscillating.

    • Drill

    • Saw

    Correct Answer
    A. Saw
    Explanation
    A saw is a tool that is specifically designed to perform cutting actions such as reciprocating or oscillating. It is commonly used to cut through various materials such as wood, metal, or plastic. Unlike a drill, which is primarily used for making holes, a saw is used for cutting through larger surfaces or objects. Therefore, in this context, the correct answer is "Saw".

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  • 30. 

    Loaner instrumentation poses storage and workload challenges.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Loaner instrumentation refers to the practice of borrowing or renting medical equipment or instruments on a temporary basis. This can be done when a healthcare facility's own equipment is unavailable or undergoing maintenance. The statement suggests that loaner instrumentation can create challenges in terms of storage and workload. This is because the borrowed equipment needs to be stored properly when not in use, and there may be additional workload in terms of managing and maintaining these instruments. Therefore, the correct answer is true.

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  • 31. 

    During instrument manufacture the process of passivation helps build a protective chromium oxide layer on each instrument's surface.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Passivation is a process used during instrument manufacture to create a protective chromium oxide layer on the surface of each instrument. This layer helps prevent corrosion and increases the lifespan of the instrument. Therefore, the statement that the process of passivation helps build a protective chromium oxide layer on each instrument's surface is true.

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  • 32. 

    Which of the following statements about endoscopes is true?

    • Not all endoscopes can be processed in an AER

    • Ultrasonic cleaning is the process of choice for endoscopes

    • Flexible endoscopes are not easily damaged

    • All endoscopes should be steam sterilized

    Correct Answer
    A. Not all endoscopes can be processed in an AER
    Explanation
    The statement "Not all endoscopes can be processed in an AER" is true. An AER (Automated Endoscope Reprocessor) is a machine used to clean and disinfect endoscopes. However, not all types of endoscopes can be processed in an AER due to their design or material composition. Some endoscopes may require manual cleaning or alternative reprocessing methods. Therefore, it is important to follow the manufacturer's instructions and guidelines for each specific type of endoscope to ensure proper cleaning and disinfection.

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  • 33. 

    There are currently no methods available to verify cleaning process outcomes.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The most common method of verifying the cleaning process is meticulous visual inspection after completing the cleaning process.

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  • 34. 

    What is the preferred pH for detergents used for most cleaning processes?

    • Low pH

    • High pH

    • Neutral pH

    • It depends on the water temperature and exposure time.

    Correct Answer
    A. Neutral pH
    Explanation
    Detergents used for most cleaning processes are preferred to have a neutral pH. This is because a neutral pH is neither too acidic nor too alkaline, making it safe and effective for cleaning a wide range of surfaces and materials. A neutral pH ensures that the detergent is not harsh or corrosive, while still being able to effectively remove dirt and stains. Additionally, a neutral pH helps to maintain the integrity and longevity of the surfaces being cleaned.

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  • 35. 

    Which of the following is an example of regulated medical waste?

    • Discarded sterilization wraps

    • Blood-soaked sponges

    • Used copier toner cartridges

    • General trash from the surgery department

    Correct Answer
    A. Blood-soaked sponges
    Explanation
    Blood-soaked sponges are an example of regulated medical waste because they have come into contact with potentially infectious materials, such as blood. Regulated medical waste refers to any waste that may pose a threat to human health or the environment and requires special handling and disposal procedures to prevent the spread of infection or contamination. Discarded sterilization wraps, used copier toner cartridges, and general trash from the surgery department do not fall under the category of regulated medical waste as they do not pose the same level of risk.

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  • 36. 

    Instrument lubrication is performed:

    • Immediately before use

    • After sterilization

    • After cleaning

    • Before cleaning

    Correct Answer
    A. After cleaning
    Explanation
    Instrument lubrication is performed after cleaning because cleaning removes any debris, dirt, or contaminants from the instrument's surface. Lubrication helps to reduce friction and wear, ensuring smooth operation and prolonging the lifespan of the instrument. Performing lubrication after cleaning ensures that the instrument is free from any residual cleaning agents, allowing the lubricant to effectively coat the instrument's surfaces. Additionally, lubrication after cleaning helps to prevent the accumulation of debris or contaminants that may interfere with the instrument's functionality.

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  • 37. 

    Compounds that have a negative electrical charge. They form a large group of synthetic detergents.

    • Cationic

    • Anionic

    Correct Answer
    A. Anionic
    Explanation
    Anionic compounds are the correct answer because they have a negative electrical charge. These compounds are commonly used as synthetic detergents, making them a large group within this category.

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  • 38. 

    The length of time (or number of uses) after which the efficiency of a disinfectant is diminished.

    • Shelf life

    • Use life

    Correct Answer
    A. Use life
    Explanation
    Use life refers to the length of time or number of uses after which the efficiency of a disinfectant is diminished. It indicates the period during which a disinfectant can effectively kill or inhibit the growth of microorganisms. Once the use life is exceeded, the disinfectant may become less effective and may need to be replaced or replenished. Shelf life, on the other hand, refers to the period during which a disinfectant can be stored and remain stable without significant degradation in its chemical composition or effectiveness.

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  • 39. 

    Which of the following would be the best choice for high level disinfection of instruments?

    • Phenolics

    • Chlorine

    • Iodophors

    • OPA

    Correct Answer
    A. OPA
    Explanation
    OPA (ortho-phthalaldehyde) would be the best choice for high level disinfection of instruments. OPA is a fast-acting, broad-spectrum disinfectant that is effective against a wide range of microorganisms, including bacteria, viruses, and fungi. It has a short contact time and does not require activation or mixing. OPA is also compatible with a variety of materials commonly found in medical instruments and does not leave behind any residue or odor. Therefore, OPA is a suitable option for achieving high-level disinfection of instruments.

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  • 40. 

    Scissors with Tungsten Carbide cutting edges are usually identified by:

    • Black handles

    • Silver handles

    • Gold handles

    • The letters "TC"

    Correct Answer
    A. Gold handles
    Explanation
    Scissors with Tungsten Carbide cutting edges are usually identified by gold handles. This is because Tungsten Carbide is a high-quality material known for its durability and strength. Gold handles are often used to indicate that the scissors have Tungsten Carbide blades, distinguishing them from scissors with different types of cutting edges.

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  • 41. 

    Used to repair and reconstruct teeth and jawbones.

    • Dermabraider

    • Dental drill

    Correct Answer
    A. Dental drill
    Explanation
    The dental drill is used to repair and reconstruct teeth and jawbones. It is a common tool used by dentists to remove decayed portions of teeth, prepare cavities for fillings, and shape teeth for dental restorations such as crowns or bridges. The drill operates at high speeds and is equipped with various attachments that allow for precise and controlled removal of dental tissues. It is an essential instrument in dental procedures that involve the restoration and reconstruction of teeth and jawbones.

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  • 42. 

    Modern powered surgical instruments are immersible.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Modern powered surgical instruments are not immersible because they contain electrical components that can be damaged if submerged in liquid. These instruments are designed to be easily cleaned and sterilized using methods such as wiping with disinfectant solutions or using automated cleaning systems. Immersing them in liquid could lead to malfunction or electrical hazards. Therefore, the given statement is false.

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  • 43. 

    The purpose of a decontamination battery is to protect PSIs from fluid invasion.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A decontamination battery is designed to safeguard PSIs (Personal Safety Instruments) from being infiltrated by fluids. This means that the purpose of a decontamination battery is to prevent any form of fluid invasion, ensuring the PSIs remain protected and functional. Therefore, the statement "The purpose of a decontamination battery is to protect PSIs from fluid invasion" is true.

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  • 44. 

    Information regarding cleaning processes for endoscopes should be provided by:

    • The SGNA

    • APIC

    • The instrument manufacturer

    • The operating room staff

    Correct Answer
    A. The instrument manufacturer
    Explanation
    The instrument manufacturer should provide information regarding cleaning processes for endoscopes because they are the ones who design and produce the equipment. They have the knowledge and expertise to provide specific instructions on how to properly clean and maintain their products. The SGNA (Society of Gastroenterology Nurses and Associates), APIC (Association for Professionals in Infection Control and Epidemiology), and the operating room staff may have general knowledge about cleaning processes, but the instrument manufacturer is the most reliable source for accurate and detailed information.

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  • 45. 

    Electronic testing of laparoscopic insulation should be done:

    • In the decontamination area prior to cleaning

    • In the clean assembly area prior to set assembly

    • At the faactory or onsite repair unit

    • In the operating room at the end of the procedure

    Correct Answer
    A. In the clean assembly area prior to set assembly
    Explanation
    Electronic testing of laparoscopic insulation should be done in the clean assembly area prior to set assembly. This is because the clean assembly area is a controlled environment where the instruments can be properly inspected and tested for any faults or defects before they are assembled into a set. Testing the insulation at this stage ensures that any issues can be identified and resolved before the instruments are used in a procedure, reducing the risk of electrical hazards during surgery.

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  • 46. 

    Infectious medical waste is regulated by the EPA.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Infectious medical waste refers to waste that contains infectious materials, such as blood or body fluids, and has the potential to spread diseases. The Environmental Protection Agency (EPA) is responsible for regulating and setting guidelines for the proper handling, storage, and disposal of infectious medical waste to ensure public safety and environmental protection. Therefore, the statement that infectious medical waste is regulated by the EPA is correct.

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  • 47. 

    Aluminum items should be cleaned:

    • Using a circular motion

    • Using a to and fro motion with the grain

    • Using a stiff metal brush

    • Using a water spray

    Correct Answer
    A. Using a to and fro motion with the grain
    Explanation
    When cleaning aluminum items, it is recommended to use a to and fro motion with the grain. This means moving the cleaning tool back and forth in the direction of the grain or pattern on the surface of the aluminum. This method helps to prevent scratching or damaging the aluminum and ensures a thorough and effective cleaning. Using a circular motion or a stiff metal brush can potentially cause scratches or other damage to the aluminum surface. Using a water spray alone may not be sufficient to remove dirt and grime from the surface.

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  • 48. 

    A solution which inhibits the growth of bacteria. It is usually used topically and only on animate objects.

    • Antiseptic

    • Disinfectant

    Correct Answer
    A. Antiseptic
    Explanation
    An antiseptic is a substance that is used to inhibit the growth of bacteria. It is typically applied topically and is safe to use on living organisms. In contrast, a disinfectant is used to kill or eliminate bacteria on inanimate objects. Therefore, the correct answer is antiseptic.

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  • 49. 

    The process by which all forms of microorganisms are completely destroyed is called:

    • High-level disinfection

    • Thermal disinfection

    • Sterilization

    • Chemical disinfection

    Correct Answer
    A. Sterilization
    Explanation
    Sterilization is the correct answer because it refers to the process of completely destroying all forms of microorganisms. This process ensures the complete elimination of bacteria, viruses, fungi, and spores, making the object or area completely free from any viable microorganisms. High-level disinfection, thermal disinfection, and chemical disinfection are effective in killing most microorganisms but may not guarantee the complete eradication of all forms of microbial life. Sterilization, on the other hand, ensures the highest level of microbial destruction and is commonly used in medical settings, laboratories, and food processing industries to prevent the spread of infections.

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  • Oct 23, 2024
    Quiz Edited by
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  • Jan 12, 2015
    Quiz Created by
    Jerry

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