Biohazard and Instrument Cleaning Quiz

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Biohazard and instrument cleaning basics.

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Jamie Bowling

United States

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Biohazard and Instrument Cleaning Quiz


Biohazard and Instrument Cleaning QuizOnline version Biohazard and instrument cleaning basics. by Jamie Bowling 1 What term describes a group of microorganisms that stick to surfaces and each other, forming a colony surrounded by a protective gel-like layer that resists detergents and disinfectants? a Biohazard b Biofilm c Bioburden d Gross soil 2 What color should biohazard containers, labels, and signs be? a Orange/ blue b Red/ orange c Orange/ yellow d Green/ black 3 Where should soiled items be stored if they are held in the user unit before being sent for processing in the SPD? a In a container filled with water b At the patient’s bedside until Sterile Processing collects them c In a locked area on the nursing unit d In a designated holding area 4 Which of the following actions should be avoided during point-of-use treatment of instruments? a Arranging instruments in an orderly manner b Disassembling the instruments c Placing instruments in a basin with saline to keep them moist d Leaving hinges open 5 Which pH level is generally recommended for detergents used in most cleaning processes? a Low pH b Depends on temperature and exposure time c Neutral pH d High pH 6 What is a potential effect of using untreated water in the cleaning process? a It increases the risk of mineral scale buildup b It is suitable for final rinsing c It reduces the chance of mineral deposits d It is preferred during the detergent cycle 7 Which of the following is an appropriate method for drying lumens? a Use instrument air b Place the lumens on approved drying pegs c Use the correct-sized cotton swab d Push air through using a syringe 8 Which of the following is correct about cleaning brushes? a They should be decontaminated following the manufacturer’s IFU. b They have metal bristles. c They should be smaller than the lumen to be cleaned. d They should be larger than the lumen to be cleaned. 9 Which of the following types of soil is best broken down by lipase enzymes? a Starches and carbohydrates b Blood and mucus c Bone marrow and other fatty deposits d Albumin and feces 10 What is the most effective method for cleaning a suction lumen? a Soaking in an enzymatic solution for 1-3 minutes b Using warm running water c Using the proper-sized stylet d Using the proper-sized brush 11 What is the term for tap water commonly used for flushing, washing, and rinsing? a Filtered water b Utility water c Critical water d Boiler water 12 When should instrument lubrication be performed? a In the decontamination area each time the instrument is cleaned b Following the manufacturer’s instructions for use (IFU) c Each time the instrument is dissembled d At the point of use 13 What is the recommended technique for manually cleaning instruments? a Water spray b To-and-fro motion c Circular motion d Stiff metal brush 14 Which of the following items should not be immersed during manual cleaning? a Powered surgical instruments b Flexible endoscopes c Rigid stainless steel instruments d Laparoscopic instruments 15 What type of brush should be used when manually cleaning a lumen or cannulated item? a A stiff metal brush regardless of size b A soft cotton swab c A brush slightly smaller than the lumen d A brush that fits the lumen size and touches the internal surface 16 Why do ophthalmic instruments require special cleaning protocols? a To prevent Toxic Anterior Segment Syndrome (TASS) caused by contaminants b They are more expensive than other surgical tools c They are used in sterile body cavities d They are more likely to rust if improperly cleaned 17 When cleaning a multi-part instrument, what action should be taken? a Mark each part with a permanent marker b Disassemble according to the manufacturer’s instructions c Remove labels before cleaning d Clean only the exterior 18 What is the first step when performing a cleaning verification test? a Document the test result b Insert the swab into the test tube c Compare the result to the reference value d Swab the internal surface of the instrument 19 Which of the following items can be cleaned by ultrasonic irrigators? a Powered surgical equipment b Prion-contaminated items c Devices with lumens d Flexible endoscopes with lumens 20 What is the primary use of ultrasonics? a High-level disinfection b Sterilization c Low-level disinfection d Cleaning 21 Which type of detergent should be used in an ultrasonic cleaner? a High-foaming detergent b Chlorine-based disinfectant c Low-foaming detergent d Alcohol-based detergent 22 Which of the following correctly describes the working mechanisms of ultrasonic cleaners and washer-disinfectors? a Ultrasonic cleaners use cavitation caused by ultrasonic waves, while washer-disinfectors use spray-force action called impingement to remove soil. b Ultrasonic cleaners use impingement caused by ultrasonic waves, while washer-disinfectors rely on cavitation to remove soil. c Both ultrasonic cleaners and washer-disinfectors use cavitation to clean instrument surfaces. d Washer-disinfectors and ultrasonic cleaners both rely solely on thermal disinfection for cleaning. 23 Which of the following best describes how SP technicians should prepare instruments for ultrasonic cleaners and washer-disinfectors? a Instruments should be placed intact in both machines to avoid misplacement of small parts. b Instruments should be disassembled for ultrasonic cleaners, but can remain assembled for washer-disinfectors. c Only hinged instruments require disassembly for ultrasonic cleaners; all others can be left intact. d Instruments must be disassembled and hinged parts opened before placement in both ultrasonic cleaners and washer-disinfectors. 24 Which of the following low-level disinfectants is not compatible with soap? a Glutaraldehyde b Quaternary ammonium compounds c Phenolics d Alcohol 25 What is the key source of disinfection in a washer-disinfector? a Heat b Hydrogen peroxide c Water temperature d Disinfecting detergent 26 Which of the following are classified as high-level disinfectants? a Quats and phenolics b Glutaraldehydes and Ortho-phthalaldehyde c Glutaraldehydes and phenolics d Alcohol and super quats 27 When using glutaraldehyde, how should the designated area be ventilated to ensure safety? a With at least 5 air exchanges per hour b Ventilation is not required if gloves and masks are worn c With at least 10 air exchanges per hour d With natural ventilation from open windows 28 What is the minimum level of processing required for endotracheal tubes before use? a Intermediate-level disinfection b Low-level disinfection c High-level disinfection d No disinfection is required 29 How often should test strips be used to check the minimum effective concentration (MEC) of a high-level disinfectant solution? a Daily b Each time the solution will be used c Weekly, preferably daily d Only when manual soaking systems are used 30 What is the required wet contact time for alcohol to effectively disinfect an item? a 2 to 3 minutes b 1 to 2 minutes c 5 to 10 minutes d 10 to 20 minutes 31 What term describes a group of microorganisms that stick to surfaces and each other, forming a colony surrounded by a protective gel-like layer that resists detergents and disinfectants? a biofilm b gross soil c biohazard d bioburden 32 Which federal program allows healthcare professionals and consumers to voluntarily report problems with medical devices? a MedWatch b FDA reporting requirements c the Medical Device Recall Act d the joint commission 33 What is the goal of Lean in quality assurance programs? a eliminate waste in procesess b protect the environment c focus only on cost reduction d Increase inventory 34 What is the maximum recommended humidity for the sterile storage area? a 60% b 50% c 70% d 40% 35 Which of the following instruments has teeth? a tissue forceps b dressing forceps c Kelly clamp d mosquito clap

Biohazard and Instrument Cleaning Quiz

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Biohazard and Instrument Cleaning QuizOnline version

by Jamie Bowling

What term describes a group of microorganisms that stick to surfaces and each other, forming a colony surrounded by a protective gel-like layer that resists detergents and disinfectants?

What color should biohazard containers, labels, and signs be?

Where should soiled items be stored if they are held in the user unit before being sent for processing in the SPD?

Which of the following actions should be avoided during point-of-use treatment of instruments?

Which pH level is generally recommended for detergents used in most cleaning processes?

What is a potential effect of using untreated water in the cleaning process?

Which of the following is an appropriate method for drying lumens?

Which of the following is correct about cleaning brushes?

Which of the following types of soil is best broken down by lipase enzymes?

What is the most effective method for cleaning a suction lumen?

What is the term for tap water commonly used for flushing, washing, and rinsing?

When should instrument lubrication be performed?

What is the recommended technique for manually cleaning instruments?

Which of the following items should not be immersed during manual cleaning?

What type of brush should be used when manually cleaning a lumen or cannulated item?

Why do ophthalmic instruments require special cleaning protocols?

When cleaning a multi-part instrument, what action should be taken?

What is the first step when performing a cleaning verification test?

Which of the following items can be cleaned by ultrasonic irrigators?

What is the primary use of ultrasonics?

Which type of detergent should be used in an ultrasonic cleaner?

Which of the following correctly describes the working mechanisms of ultrasonic cleaners and washer-disinfectors?

Which of the following best describes how SP technicians should prepare instruments for ultrasonic cleaners and washer-disinfectors?

Which of the following low-level disinfectants is not compatible with soap?

What is the key source of disinfection in a washer-disinfector?

Which of the following are classified as high-level disinfectants?

When using glutaraldehyde, how should the designated area be ventilated to ensure safety?

What is the minimum level of processing required for endotracheal tubes before use?

How often should test strips be used to check the minimum effective concentration (MEC) of a high-level disinfectant solution?

What is the required wet contact time for alcohol to effectively disinfect an item?

What term describes a group of microorganisms that stick to surfaces and each other, forming a colony surrounded by a protective gel-like layer that resists detergents and disinfectants?

Which federal program allows healthcare professionals and consumers to voluntarily report problems with medical devices?

What is the goal of Lean in quality assurance programs?

What is the maximum recommended humidity for the sterile storage area?

Which of the following instruments has teeth?