Prep, Packaging, And Instrument. Review Guide
Questions and Answers
- 1.
Which series of stainles steel is used to manufacture malleable retractors?
- A.
200
- B.
300
- C.
400
- D.
500
Correct Answer
B. 300Explanation
The correct answer is 300. Stainless steel series 300 is commonly used to manufacture malleable retractors. This series of stainless steel is known for its excellent corrosion resistance, high strength, and durability. It is also resistant to high temperatures, making it suitable for medical instruments that require sterilization. The malleability of series 300 stainless steel allows it to be easily shaped and adjusted to fit different surgical needs, making it an ideal choice for retractors used in surgical procedures.Rate this question:
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- 2.
Which of the following instruments would be used to hold back the intestines during a abdominal procedure?
- A.
Kelly clamp
- B.
Debakey forcep
- C.
Greenburg retractor
- D.
Deaver retracttor
Correct Answer
D. Deaver retracttorExplanation
A Deaver retractor would be used to hold back the intestines during an abdominal procedure. This instrument is specifically designed to gently retract and hold organs and tissues aside, allowing the surgeon to access the surgical site without obstructing the view or causing damage. It is commonly used in abdominal surgeries to create a clear and unobstructed field of vision for the surgeon to work effectively and safely.Rate this question:
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- 3.
The weakest part of the instrument is/are the:
- A.
Jaws
- B.
Shanks
- C.
Box lock
- D.
Ratchet
Correct Answer
C. Box lockExplanation
The box lock is the weakest part of the instrument because it is the component that holds the jaws and shanks together. It is responsible for providing stability and strength to the instrument. If the box lock is not properly designed or made from weak material, it can easily break or become loose, compromising the functionality of the instrument.Rate this question:
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- 4.
What is the most difficult part of a hemostat to clean?
- A.
Jaws
- B.
Box lock
- C.
Ratchet
- D.
Shanks
Correct Answer
B. Box lockExplanation
The box lock is the most difficult part of a hemostat to clean because it is the area where the two halves of the instrument connect and pivot. This area tends to accumulate dirt, debris, and bodily fluids, making it challenging to thoroughly clean. Additionally, the box lock can have small crevices and tight spaces that are hard to reach with cleaning tools, further complicating the cleaning process.Rate this question:
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- 5.
What is the final stage in manufacturing a surgical grade instrument?
- A.
Cavitation
- B.
Lubrication
- C.
Passivation
- D.
Ebonizing
Correct Answer
C. PassivationExplanation
Passivation is the final stage in manufacturing a surgical grade instrument. Passivation is a chemical process that removes free iron and other contaminants from the surface of the instrument, creating a passive, corrosion-resistant layer. This process helps to enhance the instrument's biocompatibility and resistance to corrosion, ensuring that it meets the required standards for surgical use. Cavitation, lubrication, and ebonizing are not directly related to the final stage in manufacturing a surgical grade instrument.Rate this question:
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- 6.
Scissors with black handles are often referred to as:
- A.
Super sharps
- B.
Satin
- C.
Surgical grade
- D.
Martenistic
Correct Answer
A. Super sharpsExplanation
Scissors with black handles are often referred to as "Super sharps" because the term "super sharp" is commonly used to describe scissors that have an extremely sharp cutting edge. The black handles on these scissors may also be associated with a sleek and modern design, further emphasizing their sharpness.Rate this question:
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- 7.
The layer on a surgical instrument created by passivation process is called:
- A.
An ebonized surface
- B.
A satin finish
- C.
Tungsten carbide
- D.
Chromium oxide
Correct Answer
D. Chromium oxideExplanation
The layer on a surgical instrument created by the passivation process is called chromium oxide. Passivation is a chemical process that forms a protective layer on the surface of the instrument, preventing corrosion and improving its durability. Chromium oxide is commonly used in passivation because it provides excellent resistance to corrosion and maintains the instrument's appearance and functionality over time. The other options, ebonized surface, satin finish, and tungsten carbide, do not accurately describe the layer formed by the passivation process.Rate this question:
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- 8.
How is an instrument with a tungsten carbide insert identified?
- A.
Black handles
- B.
Gold Handles
- C.
Satin finish
- D.
Shiny finish
Correct Answer
B. Gold HandlesExplanation
An instrument with a tungsten carbide insert is identified by gold handles. Tungsten carbide is a very hard and durable material, and it is commonly used in dental and surgical instruments for its superior cutting ability. The gold handles indicate that the instrument has a tungsten carbide insert, distinguishing it from instruments with other types of inserts.Rate this question:
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- 9.
What type of finish on a surgical instrument is used for laser procedures?
- A.
Shiny
- B.
Satin
- C.
Ebonized
- D.
Gold
Correct Answer
C. EbonizedExplanation
Ebonized finish is used for surgical instruments in laser procedures because it helps to reduce reflections and glare that could interfere with the laser beam. This finish is typically a dark, matte black coating that absorbs light rather than reflecting it, making it ideal for laser surgeries where precision and accuracy are crucial. The ebonized finish also helps to prevent the instrument from heating up during the procedure, ensuring the safety and effectiveness of the laser treatment.Rate this question:
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- 10.
Which of the following lubricants is recommended for use on surgical instruments?
- A.
Water-based
- B.
Silicone based
- C.
Oil-based
- D.
Petroleum based
Correct Answer
A. Water-basedExplanation
Water-based lubricants are recommended for use on surgical instruments because they are non-toxic, hypoallergenic, and compatible with various types of materials. They provide excellent lubrication without leaving residue or interfering with the sterilization process. Additionally, water-based lubricants are easily washed off, reducing the risk of contamination and infection.Rate this question:
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- 11.
Re-passivation of an instrument can be achieved by:
- A.
Cleaning manually
- B.
Ultrasonic Cleaning
- C.
EO sterilizing
- D.
Routine Lubrication
Correct Answer
D. Routine LubricationExplanation
Routine lubrication can help in re-passivation of an instrument. Lubrication helps to prevent corrosion and maintain the smooth functioning of the instrument. It forms a protective layer on the surface of the instrument, preventing the exposure of the underlying metal to corrosive agents. Regular lubrication can help to maintain the passivity of the instrument and prevent the formation of corrosion.Rate this question:
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- 12.
Which of the following is not part of routine inspection of instruments?
- A.
Jaw alignment
- B.
Ratchet tension
- C.
Box Lock stiffness
- D.
Vendor identification number
Correct Answer
D. Vendor identification numberExplanation
Routine inspection of instruments typically involves checking for jaw alignment, ratchet tension, and box lock stiffness. However, vendor identification number is not typically part of this inspection process. The vendor identification number is a unique identifier used to track and identify the supplier or manufacturer of the instrument, but it is not directly related to the physical condition or functionality of the instrument itself.Rate this question:
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- 13.
An instrument should be lubricated
- A.
Every time it is used
- B.
Weekly
- C.
Monthly
- D.
When it gets stiff
Correct Answer
A. Every time it is usedExplanation
Lubricating an instrument every time it is used helps to ensure smooth operation and prevent any stiffness or damage that may occur from friction. Regular lubrication also helps to prolong the lifespan of the instrument and maintain its performance. Therefore, it is necessary to lubricate the instrument every time it is used.Rate this question:
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- 14.
To test the sharpness of scissors, which part of the blades must be tested?
- A.
Lower third
- B.
Middle third
- C.
Upper third
- D.
Entire length
Correct Answer
C. Upper thirdExplanation
To test the sharpness of scissors, the upper third of the blades must be tested. This is because the upper portion of the blades is the part that usually comes into contact with the material being cut. By testing the upper third, we can determine if the blades are sharp enough to make clean and precise cuts.Rate this question:
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- 15.
When the jaws of a stainless steel needle holder becomes worn, the needle holder must be:
- A.
Resurfaced
- B.
Used only on house trays
- C.
Given to a friend for his tackle box
- D.
Discarded
Correct Answer
D. DiscardedExplanation
When the jaws of a stainless steel needle holder become worn, it is necessary to discard the needle holder. This is because worn jaws can compromise the instrument's ability to securely hold and manipulate needles, which can lead to potential risks during medical procedures. Resurfacing may not effectively restore the functionality of the instrument, and using it only on house trays or giving it to a friend for non-medical purposes would not be appropriate or safe.Rate this question:
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- 16.
A crack in a hand-held instrument would most likely be found in the:
- A.
Box lock
- B.
Ratchet
- C.
Shank
- D.
Ring handle
Correct Answer
A. Box lockExplanation
A crack in a hand-held instrument would most likely be found in the box lock. The box lock is the mechanism that connects the two halves of the instrument together, allowing it to open and close. It is subjected to a lot of stress and pressure during use, which makes it more susceptible to cracks or damage. The ratchet, shank, and ring handle are other parts of the instrument that are less likely to develop cracks compared to the box lock.Rate this question:
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- 17.
Cracked insulation on laparoscopic instrument can cause:
- A.
Electrical shock
- B.
Poor cutting
- C.
Poor grasping
- D.
A tear in in the surgeon's glove
Correct Answer
A. Electrical shockExplanation
Cracked insulation on a laparoscopic instrument can cause electrical shock because it exposes the electrical components of the instrument, allowing current to flow through the cracks and potentially come into contact with the surgeon or other individuals in the operating room. This can result in an electric shock, which can be dangerous and potentially life-threatening. It is important to regularly inspect and maintain laparoscopic instruments to ensure that the insulation is intact and functioning properly to prevent such risks.Rate this question:
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- 18.
What is the best way to clean powered instruments?
- A.
In an ultrasonic washer
- B.
According to manufacturer's instructions
- C.
Soaking in enzymatic cleaner
- D.
Using the gentle cycle in the washer-decontaminator
Correct Answer
B. According to manufacturer's instructionsExplanation
The best way to clean powered instruments is according to the manufacturer's instructions. This is because different instruments may have specific cleaning requirements and using the manufacturer's instructions ensures that the instruments are cleaned effectively and safely. Following the instructions also helps to maintain the longevity and functionality of the instruments.Rate this question:
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- 19.
Unless otherwise specified rigid endoscopes should not be:
- A.
Bent or flexed
- B.
Steam sterilized
- C.
Processed with other instruments
- D.
Soaked in glutaraldehyde
Correct Answer
A. Bent or flexedExplanation
Rigid endoscopes should not be bent or flexed because they are designed to maintain a fixed shape for optimal visualization and maneuverability during procedures. Bending or flexing the scope can cause damage to the internal components, such as the lenses or light source, and compromise its functionality. It is important to handle rigid endoscopes with care and follow the manufacturer's instructions to ensure their longevity and effectiveness.Rate this question:
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- 20.
Black dots in a fiber optic light cable indicate:
- A.
How many times it has been used
- B.
There is damage to the glass rods
- C.
The cable is normal and OK to use
- D.
The wrong light source has been used
Correct Answer
B. There is damage to the glass rodsExplanation
Black dots in a fiber optic light cable indicate that there is damage to the glass rods. The glass rods in a fiber optic cable are responsible for transmitting light signals. Any damage to these rods, such as cracks or breaks, can result in signal loss or interference. The presence of black dots suggests that the glass rods have been compromised, indicating damage to the cable.Rate this question:
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- 21.
Which of the following is not a method for checking the visual clarity of a rigid endoscope?
- A.
Looking at a white piece of paper through the scope
- B.
Holding the scope up to a light source
- C.
Using a tester manufactured for this purpose
- D.
Using a leak tester
Correct Answer
D. Using a leak testerExplanation
A leak tester is not a method for checking the visual clarity of a rigid endoscope. A leak tester is used to check for any leaks or damage in the endoscope's seals or channels, not to assess the clarity of the image produced by the scope. The other methods mentioned, such as looking at a white piece of paper through the scope, holding the scope up to a light source, and using a tester manufactured for this purpose, are all valid methods for checking the visual clarity of a rigid endoscope.Rate this question:
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- 22.
When marking and identifying instruments, which of the following should never be used?
- A.
Engraving
- B.
Chemical etching
- C.
Marking tape
- D.
Color-bonded handles
Correct Answer
A. EngravingExplanation
Engraving should never be used when marking and identifying instruments because it involves cutting or scratching the surface of the instrument, which can create crevices where bacteria can grow and contaminate the instrument. Chemical etching, marking tape, and color-bonded handles are alternative methods that can be used for marking instruments without compromising their cleanliness and integrity.Rate this question:
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- 23.
The air flow in the preparation and packaging area must be maintained at:
- A.
Negative pressure
- B.
Positive pressure
- C.
Automatic pressure
- D.
Constant pressure
Correct Answer
B. Positive pressureExplanation
In the preparation and packaging area, it is important to maintain positive pressure. Positive pressure means that the air pressure inside the area is higher than the pressure outside. This helps to prevent contaminants from entering the area by creating a flow of air outwards, pushing any potential contaminants away. Positive pressure also helps to maintain a clean and controlled environment, reducing the risk of contamination during the preparation and packaging processes.Rate this question:
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- 24.
The preparation and packaging area must have an air exchange rate of:
- A.
4 per hour
- B.
6 per hour
- C.
8 per hour
- D.
10 per hour
Correct Answer
D. 10 per hourExplanation
The preparation and packaging area must have an air exchange rate of 10 per hour to ensure the proper circulation of air and maintain a clean and safe environment. This high exchange rate helps to remove any potential contaminants, odors, or airborne particles that may be present in the area. It also helps to control humidity levels and prevent the buildup of stale air, which could contribute to the growth of bacteria or mold. By having a higher air exchange rate, the area can be kept fresh and free from pollutants, promoting a healthier and more hygienic space for food preparation and packaging.Rate this question:
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- 25.
What is the acceptable temparature range for the prep and packaging area?
- A.
60F-65F (16-18C)
- B.
62F-68F (17-20C)
- C.
68F-73F (20-23C)
- D.
70F-75F (21-24C)
Correct Answer
C. 68F-73F (20-23C)Explanation
The acceptable temperature range for the prep and packaging area is 68F-73F (20-23C). This range ensures that the area is kept at a suitable temperature for food preparation and packaging, preventing the growth of bacteria and other contaminants. It provides a balance between keeping the area cool enough to maintain food safety and preventing it from being too cold, which could affect the quality and texture of the food products.Rate this question:
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- 26.
The general humidity range in preparation and packaging area should be:
- A.
30% to 60%
- B.
20% to 40%
- C.
40% to 70%
- D.
50% to 80%
Correct Answer
A. 30% to 60%Explanation
The general humidity range in the preparation and packaging area should be between 30% and 60%. This range is considered optimal for maintaining the quality and freshness of the products being prepared and packaged. Humidity levels below 30% can cause the products to dry out and lose moisture, while levels above 60% can promote the growth of mold and bacteria. Therefore, a humidity range of 30% to 60% ensures a suitable environment for food preparation and packaging.Rate this question:
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- 27.
If a non-perforated tray is used for the sterilization of instrument sets, it must be:
- A.
Laid flat on the sterilizer rack.
- B.
Wrapped with a towel prior to placing the instruments on it
- C.
Processed on the top rack of the sterilizer
- D.
Tilted on the sterilizer rack
Correct Answer
D. Tilted on the sterilizer rackExplanation
A non-perforated tray is used for the sterilization of instrument sets, it must be tilted on the sterilizer rack. Tilting the tray allows for proper steam circulation and drainage during the sterilization process. This helps to ensure that all surfaces of the instruments are thoroughly sterilized and that any condensation or moisture can easily drain away. Laying the tray flat or wrapping it with a towel would impede steam circulation and hinder the effectiveness of the sterilization process. Processing the tray on the top rack of the sterilizer may also affect steam circulation and drainage.Rate this question:
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- 28.
The floors in the preparation area should be:
- A.
Wet-mopped daily
- B.
Dry-mopped daily
- C.
Swept with a broom on the night shift
- D.
Vacuumed once a week
Correct Answer
A. Wet-mopped dailyExplanation
The correct answer is wet-mopped daily because the preparation area is likely to accumulate food particles, spills, and other debris throughout the day. Wet-mopping is the most effective way to remove these contaminants and maintain a clean and sanitary environment. Dry-mopping and sweeping with a broom may not be sufficient to remove all the dirt and grime, while vacuuming once a week may not be frequent enough to prevent the buildup of dirt and bacteria. Therefore, wet-mopping daily is necessary to ensure proper cleanliness and hygiene in the preparation area.Rate this question:
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- 29.
Where should the heavier instruments be placed when assembling a set containing heavy and delicate instruments ?
- A.
In the center of the tray
- B.
On top of the delicate instruments
- C.
On the bottom of the set
- D.
On the right hand side
Correct Answer
C. On the bottom of the setExplanation
Placing the heavier instruments on the bottom of the set ensures that the weight is distributed evenly and provides stability to the tray. This prevents the delicate instruments from being crushed or damaged by the weight of the heavier instruments. Additionally, placing the heavier instruments on the bottom also makes it easier to access and handle the delicate instruments without the risk of knocking them over or causing any accidents.Rate this question:
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- 30.
Which of the following can be done to aid in the drying of instrument sets at the end of the sterilization cycle?
- A.
Place silicone mats in the bottom of the tray
- B.
Place instruments in foam dividers
- C.
Place the set on a transfer tray
- D.
Place a towel in the bottom of the tray
Correct Answer
D. Place a towel in the bottom of the trayExplanation
Placing a towel in the bottom of the tray can aid in the drying of instrument sets at the end of the sterilization cycle. The towel can absorb any moisture that remains on the instruments, helping to prevent the growth of bacteria or other contaminants. This can also help to prevent the instruments from becoming damaged or corroded due to prolonged exposure to moisture.Rate this question:
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- 31.
Which of the following should be used to write on the count sheets and tray lists?
- A.
Lead pencils
- B.
Permanant, nontoxic ink
- C.
China markers
- D.
Crayons
Correct Answer
B. Permanant, nontoxic inkExplanation
Permanent, nontoxic ink should be used to write on count sheets and tray lists because it is long-lasting and will not fade or smudge over time. Additionally, using nontoxic ink ensures the safety of the individuals who handle the count sheets and tray lists.Rate this question:
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- 32.
Where should the chemical indicator be placed in a wrapped set of instruments?
- A.
The left-hand corner
- B.
The center of the set
- C.
Two opposite corners
- D.
The right hand side
Correct Answer
B. The center of the setExplanation
The chemical indicator should be placed in the center of the set of instruments. Placing it in the center ensures that it is easily visible and can accurately indicate whether the instruments have been properly sterilized. Placing it in the center also allows for equal exposure to the sterilization process, ensuring that all instruments are effectively sterilized.Rate this question:
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- 33.
Multi-layer container systems should have chemica indicators placed in:
- A.
The middle of each tray
- B.
The bottom level
- C.
Each level
- D.
Each corner
Correct Answer
C. Each levelExplanation
Chemical indicators should be placed at each level in multi-layer container systems. This ensures that the indicators can accurately monitor the sterilization process at every layer of the system. Placing them at each level allows for better visibility and detection of any potential issues or failures in the sterilization process. By having indicators at each level, it becomes easier to identify and address any problems that may arise during sterilization, ensuring the safety and effectiveness of the process.Rate this question:
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- 34.
What is the maximum size and weight of a textile pack?
- A.
10" x 12" x 12", 20 pounds
- B.
12" x 20" x 20", 7.2 pounds
- C.
12" x 12" x 12", 10 pounds
- D.
12" x 12" x 12" , 12 pounds
Correct Answer
D. 12" x 12" x 12" , 12 poundsExplanation
The maximum size and weight of a textile pack is 12" x 12" x 12" and 12 pounds.Rate this question:
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- 35.
Basin sets must be prepared for sterilization with:
- A.
Basins placed in opposite directions
- B.
Basins seperated by at least 1/2 inch
- C.
A nonabsorbent material between each basin
- D.
An absorbent material between each basin
Correct Answer
D. An absorbent material between each basinExplanation
In order to prepare basin sets for sterilization, it is necessary to have an absorbent material between each basin. This is important because the absorbent material helps to prevent the transfer of moisture or contaminants between the basins during the sterilization process. By placing an absorbent material between each basin, any liquids or bacteria that may be present in one basin will be absorbed and not transferred to the other basins, ensuring that each basin remains clean and sterile.Rate this question:
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- 36.
Which of the following is not one of the basic principles of packaging?
- A.
The material must be acceptable for all types
- B.
The material must allow the sterilant to reach the contents
- C.
The material must be a barrier to microorganisms
- D.
The package must be able to be opened without contamination
Correct Answer
A. The material must be acceptable for all typesExplanation
The given answer, "The material must be acceptable for all types," is not one of the basic principles of packaging. The basic principles of packaging include the material allowing the sterilant to reach the contents, acting as a barrier to microorganisms, and the package being able to be opened without contamination. However, the acceptability of the material for all types is not a fundamental principle of packaging.Rate this question:
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- 37.
Sterilant penetration can be inhibited by using:
- A.
A wrapper that is too small
- B.
A wrapper that is too large
- C.
An envelope fold on a small set
- D.
The square fold on a large pack
Correct Answer
B. A wrapper that is too largeExplanation
Using a wrapper that is too large can inhibit sterilant penetration. When the wrapper is too large, it creates excess space inside the packaging, which can allow air or other contaminants to enter. This can prevent the sterilant from fully reaching and effectively sterilizing the items inside. A properly sized wrapper ensures a tight seal and proper contact between the sterilant and the items being sterilized, maximizing the effectiveness of the sterilization process.Rate this question:
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- 38.
How much space should be left between an item and the inside edges of a peel pouch?
- A.
1"
- B.
2"
- C.
3"
- D.
4"
Correct Answer
A. 1"Explanation
The correct answer is 1". When packaging an item in a peel pouch, it is important to leave enough space between the item and the inside edges of the pouch. This allows for proper sealing and ensures that the item is securely contained within the pouch. Leaving a space of 1" provides enough room for the sealing process to be effective and prevents the item from coming into contact with the edges, reducing the risk of contamination or damage during transportation or storage.Rate this question:
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- 39.
Which of the following packaging materials is acceptable for steam sterilization?
- A.
Tyvek
- B.
Aluminum Foil
- C.
Polyethylene
- D.
Nonwoven wraps
Correct Answer
D. Nonwoven wrapsExplanation
Nonwoven wraps are acceptable for steam sterilization because they are made of a porous material that allows steam to penetrate and reach the items being sterilized. This ensures that the sterilization process is effective in killing microorganisms. Tyvek, aluminum foil, and polyethylene are not suitable for steam sterilization as they are not porous and may prevent steam from reaching the items, compromising the sterilization process.Rate this question:
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- 40.
Which of the following packages materials is acceptable for low temperature gas plasma and ozone sterilization?
- A.
Textile wraps
- B.
Tyvek
- C.
Nonwoven wraps
- D.
Paper/plastic pouches
Correct Answer
B. TyvekExplanation
Tyvek is acceptable for low temperature gas plasma and ozone sterilization because it is a synthetic material made of high-density polyethylene fibers. It is resistant to moisture, chemicals, and tearing, making it suitable for sterilization processes. Tyvek maintains its integrity even under harsh conditions, ensuring that the sterilization process is effective and reliable. This material is commonly used in medical and healthcare settings for packaging and sterilizing instruments and equipment.Rate this question:
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- 41.
Tamper evidents seals on rigid containers include:
- A.
Lids and gaskets
- B.
Filters and gaskets
- C.
Latches and locks
- D.
Lids and latches
Correct Answer
C. Latches and locksExplanation
Tamper evident seals on rigid containers include latches and locks. Latches and locks are mechanisms that secure the container and prevent unauthorized access. These seals provide a visible indication if the container has been tampered with or opened. By using latches and locks, the container remains securely closed, ensuring the integrity of the contents inside. This helps to prevent tampering, contamination, or unauthorized access to the container and its contents, making latches and locks an essential component of tamper evident seals on rigid containers.Rate this question:
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- 42.
Rigid containers must be placed :
- A.
On their side during sterilization
- B.
Flat during sterilization
- C.
On the top shelf during sterilization
- D.
On the middle shelf during sterilization
Correct Answer
B. Flat during sterilizationExplanation
Rigid containers must be placed flat during sterilization to ensure proper heat distribution and sterilization. Placing them on their side may result in uneven heating, which can lead to inadequate sterilization and potential contamination. Placing them on the top or middle shelf does not affect the sterilization process, as long as they are placed flat to allow for proper heat circulation.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 05, 2012Quiz Created by
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