Surgical Tech Exam X

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Surgical Tech Exam X - Quiz

Appleton & Lange part 7 question 601-718


Questions and Answers
  • 1. 

    The endoscope that provides a view of the middle of the thorax, between the two pleural sacs is

    • A.

      Bronchoscope

    • B.

      Laryngoscope

    • C.

      Thoracoscope

    • D.

      Mediastinoscope

    Correct Answer
    D. Mediastinoscope
    Explanation
    A mediastinoscope is an endoscope that is specifically designed to provide a view of the middle of the thorax, between the two pleural sacs. It is used for diagnostic purposes, particularly in evaluating lymph nodes and other structures in the mediastinum. A bronchoscope is used to examine the airways in the lungs, a laryngoscope is used to examine the larynx, and a thoracoscope is used to examine the inside of the chest cavity. Therefore, the correct answer in this case is mediastinoscope.

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  • 2. 

    Loupes are used for

    • A.

      Tissue retraction

    • B.

      Magnification

    • C.

      Hemostasis

    • D.

      Patient transfer

    Correct Answer
    B. Magnification
    Explanation
    Loupes are optical devices that provide magnification, allowing the user to see small details more clearly. They are commonly used in medical and dental fields to enhance visualization during procedures. Loupes help professionals to accurately identify and work on tiny structures, such as blood vessels or nerves, improving precision and reducing the risk of errors. Therefore, magnification is the correct answer as it accurately describes one of the main uses of loupes.

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  • 3. 

    Resolving power of an operating microscope means

    • A.

      The ability to discern detail

    • B.

      The ability to enlarge the image

    • C.

      The adaptation of operative procedure to individual patient requirements

    • D.

      The ratio of image size on viewer's retina with and without magnification

    Correct Answer
    A. The ability to discern detail
    Explanation
    The resolving power of an operating microscope refers to its ability to discern detail. This means that the microscope has the capability to clearly distinguish and visualize fine details in the object being observed. It is not related to the ability to enlarge the image or adapt the operative procedure to individual patient requirements. The ratio of image size on the viewer's retina with and without magnification is also not relevant to the concept of resolving power.

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  • 4. 

    Which item in the optical lens system is responsible for magnification?

    • A.

      Oculars

    • B.

      Paraxial illuminators

    • C.

      Objective lens

    • D.

      A and C

    Correct Answer
    D. A and C
    Explanation
    The oculars and the objective lens in the optical lens system are responsible for magnification. The oculars are the eyepieces that the viewer looks through, while the objective lens is the lens closest to the object being viewed. Both of these lenses work together to magnify the image and allow the viewer to see it in greater detail.

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  • 5. 

    The range of focal lengths of the objective lenses in the operating microscope is

    • A.

      0-100 mm

    • B.

      100-200 mm

    • C.

      100-400 mm

    • D.

      2-25 mm

    Correct Answer
    C. 100-400 mm
    Explanation
    The range of focal lengths of the objective lenses in the operating microscope is 100-400 mm. This means that the microscope is capable of focusing on objects that are located at distances between 100 mm and 400 mm from the lens. This range allows for flexibility in magnification and focusing capabilities, making it suitable for a variety of medical procedures and examinations.

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  • 6. 

    A continuously variable magnification system is afforded to the eye surgeon by the

    • A.

      Broadview viewing lens

    • B.

      Microadapter

    • C.

      Zoom lens with foot control

    • D.

      Couplings

    Correct Answer
    C. Zoom lens with foot control
    Explanation
    The zoom lens with foot control provides a continuously variable magnification system to the eye surgeon. This means that the surgeon can adjust the level of magnification according to their specific needs and preferences, allowing for precise and accurate viewing during surgical procedures. The foot control feature enables hands-free operation, allowing the surgeon to focus solely on the surgical task at hand. This combination of zoom lens and foot control offers convenience, flexibility, and enhanced visualization for the eye surgeon.

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  • 7. 

    The pupose of the "slit" lamp in eye surgery is

    • A.

      Defining depth perception

    • B.

      Focusing ability

    • C.

      Magnifying power

    • D.

      Discerning detail

    Correct Answer
    A. Defining depth perception
    Explanation
    The purpose of the "slit" lamp in eye surgery is to define depth perception. This instrument allows the surgeon to examine the eye in detail and assess the depth of various structures within the eye. By using a narrow beam of light, the slit lamp helps to create a three-dimensional view of the eye, which is crucial for accurate diagnosis and treatment during eye surgery.

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  • 8. 

    The operating microscope that visually employs fiberoptics for its light source is

    • A.

      Halogen

    • B.

      Tungsten

    • C.

      Coaxial illuminators

    • D.

      Paraxial illuminators

    Correct Answer
    C. Coaxial illuminators
    Explanation
    The operating microscope that visually employs fiberoptics for its light source is coaxial illuminators. Coaxial illuminators use fiberoptics to provide a direct and focused light source, which is essential for clear and precise visualization during surgical procedures. This technology allows for better illumination and visibility, improving the accuracy and success of the operation.

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  • 9. 

    Care of the microscope would include all of the following EXCEPT

    • A.

      Damp dust external surfaces with detergent-disinfectant before use

    • B.

      Damp dust lenses with detergent-disinfectant before use

    • C.

      Enclose in an antistatic plastic cover when not in use

    • D.

      Clean caster before each use

    Correct Answer
    B. Damp dust lenses with detergent-disinfectant before use
    Explanation
    The correct answer is "damp dust lenses with detergent-disinfectant before use" because using a detergent-disinfectant on lenses can damage them. Instead, lenses should be cleaned using a specialized lens cleaning solution and a lens cleaning cloth to avoid scratching or damaging the lenses.

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  • 10. 

    The purpose of the beam splitter in an operating microscope is to

    • A.

      Coincide the assistant's field of view with the surgeon's

    • B.

      Increase light intensity

    • C.

      Decrease vibration

    • D.

      Narrow the beam of light

    Correct Answer
    A. Coincide the assistant's field of view with the surgeon's
    Explanation
    The purpose of the beam splitter in an operating microscope is to coincide the assistant's field of view with the surgeon's. This allows the assistant to see exactly what the surgeon is seeing, which is important for effective communication and coordination during surgery. It helps in providing real-time assistance and ensures that both the surgeon and assistant have a clear view of the surgical site.

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  • 11. 

    The colpomicroscope affores a view of the

    • A.

      Fallopian tube

    • B.

      Intraperitoneal strutures

    • C.

      Cervix

    • D.

      Uterine endometrium

    Correct Answer
    C. Cervix
    Explanation
    The colpomicroscope is a medical instrument used for examining the cervix. It provides a magnified view of the cervix, allowing healthcare professionals to detect any abnormalities or changes in the tissue. This is important for screening and diagnosing conditions such as cervical cancer or infections. The colpomicroscope does not provide a view of the fallopian tube, intraperitoneal structures, or the uterine endometrium, making the correct answer "cervix".

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  • 12. 

    The procedure employing the use of a self-retaining laryngoscope and microscope is called a ____________.

    • A.

      Indirect laryngoscopy

    • B.

      Direct laryngoscopy

    • C.

      Suspension microlaryngoscopy

    • D.

      Laser microlaryngoscopy

    Correct Answer
    C. Suspension microlaryngoscopy
    Explanation
    Suspension microlaryngoscopy is the correct answer because it refers to a procedure that involves the use of a self-retaining laryngoscope and microscope. This procedure allows for a detailed examination and treatment of the larynx, and it is typically performed under general anesthesia. The use of a self-retaining laryngoscope helps to keep the larynx in an optimal position, while the microscope provides enhanced visualization during the procedure.

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  • 13. 

    The binocular microscope provieds stereoscopic vision. This refers to

    • A.

      The view afforded double eyepieces

    • B.

      The color projected on the field

    • C.

      The magnification capability

    • D.

      The illumination process

    Correct Answer
    A. The view afforded double eyepieces
    Explanation
    The correct answer is the view afforded double eyepieces. The binocular microscope provides stereoscopic vision because it has two eyepieces, allowing each eye to view the specimen from a slightly different angle. This creates a three-dimensional image and enhances depth perception, making it easier to observe and study the specimen.

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  • 14. 

    Which magnifying powers are available for the microscope eye pieces?

    • A.

      1x, 2x, 3x, and 4x

    • B.

      10x, 20x, 30x and 40x

    • C.

      10x, 12.5x, 16x, and 20x

    • D.

      300mm, 400mm, 500mm, 600mm

    Correct Answer
    C. 10x, 12.5x, 16x, and 20x
  • 15. 

    Which procedure is inappropriate when caring for optic lenses?

    • A.

      Blood, water, and irrigating solutions are removed with cotton tipped applicators and distilled water

    • B.

      Lens is always cleaned in a circular motion, beginning at the center

    • C.

      Oil or fingerprints are removed by soaking in solvent for 10 minutes adn drying with a cotton ball

    • D.

      Lint or dust are removed with a lens brush or rubber bulb syringe

    Correct Answer
    C. Oil or fingerprints are removed by soaking in solvent for 10 minutes adn drying with a cotton ball
    Explanation
    The procedure of soaking the lens in solvent for 10 minutes and drying it with a cotton ball is inappropriate when caring for optic lenses. Solvents can damage the lens material and cause discoloration or cloudiness. It is best to avoid using solvents on optic lenses and instead use a gentle cleaning solution specifically designed for lens cleaning.

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  • 16. 

    The OR bed may have a metal crossbar between the two upper sections which may be raised to elevate the

    • A.

      Kidney

    • B.

      Breast

    • C.

      Gallbladder

    • D.

      A and C

    Correct Answer
    D. A and C
    Explanation
    The OR bed may have a metal crossbar between the two upper sections which may be raised to elevate the kidney and gallbladder. This means that option A and option C are both correct. The metal crossbar can be adjusted to provide support and elevation for these organs during surgical procedures.

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  • 17. 

    Which item is also known as an "airplane support"?

    • A.

      Shoulder braces

    • B.

      Arch bar

    • C.

      Cranial headrest

    • D.

      Double arm board

    Correct Answer
    D. Double arm board
    Explanation
    A double arm board is also known as an "airplane support" because it is a device used to support the patient's arms during surgery or medical procedures. The board is designed to keep the patient's arms in a specific position, similar to the armrests on an airplane seat, providing support and stability throughout the procedure.

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  • 18. 

    Operative accessibility in thyroid surgery may be aided by the use of  a (n)

    • A.

      Headrest

    • B.

      Shoulder braces

    • C.

      Arch bar

    • D.

      Shoulder bridge

    Correct Answer
    D. Shoulder bridge
    Explanation
    The shoulder bridge is likely to aid operative accessibility in thyroid surgery because it provides support and elevation to the shoulders, allowing for better visibility and access to the surgical site. By lifting the shoulders, it creates space and improves the angle at which the surgeon can approach the thyroid gland. This can enhance the precision and ease of the surgical procedure, ultimately improving operative accessibility.

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  • 19. 

    In which position would shoulder braces be indicted?

    • A.

      Reverse Trendelenburg

    • B.

      Extreme Trendelenburg

    • C.

      Fowler's

    • D.

      Kraske

    Correct Answer
    B. Extreme Trendelenburg
    Explanation
    Shoulder braces would be indicated in the extreme Trendelenburg position. Extreme Trendelenburg is a position where the patient's head is lower than the rest of the body, with the feet elevated. This position is often used in certain surgical procedures, such as pelvic surgeries. Shoulder braces are used to secure the patient's shoulders and prevent them from sliding down the operating table during surgery. By using shoulder braces in the extreme Trendelenburg position, the patient's shoulders can be effectively immobilized and provide stability during the procedure.

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  • 20. 

    A precaution necessary when using the kidney rests is

    • A.

      To press firmly but not too tightly against body

    • B.

      To pad well

    • C.

      To place the longer rest beneath iliac crest

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    When using kidney rests, it is important to take certain precautions. First, one should press firmly but not too tightly against the body to provide support without causing discomfort. Second, it is necessary to pad the rests well to ensure the patient's comfort and prevent any potential injuries. Lastly, the longer rest should be placed beneath the iliac crest to provide proper support to the lower back. Therefore, all of the given options are necessary precautions when using kidney rests.

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  • 21. 

    Chest rolls (bolsters)

    • A.

      Secure position

    • B.

      Minimize pressure on abdominal organs

    • C.

      Facilitate respiration

    • D.

      Minimize pressure on bony prominences

    Correct Answer
    C. Facilitate respiration
    Explanation
    Chest rolls, also known as bolsters, are used to facilitate respiration. They help to support the chest and elevate it slightly, allowing for easier breathing. By providing this support, chest rolls can help to open up the airways and improve lung function. This can be particularly beneficial for individuals who may have difficulty breathing, such as those with respiratory conditions or limited mobility. By facilitating respiration, chest rolls can help to improve overall comfort and well-being for the individual.

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  • 22. 

    Bakelite orthopedic table attachments are sometimes used because

    • A.

      They clean very easily

    • B.

      They do not interfere with radiographic studies

    • C.

      They are unaffected by irrigation fluids

    • D.

      They can be sterilized

    Correct Answer
    B. They do not interfere with radiographic studies
    Explanation
    Bakelite orthopedic table attachments are sometimes used because they do not interfere with radiographic studies. This means that when X-rays or other imaging techniques are being used to examine a patient, the presence of these attachments will not obstruct or distort the images. This is important for accurate diagnosis and treatment planning in orthopedics.

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  • 23. 

    Sponges and towels used near the laser tissue impact site are kept wet in order to

    • A.

      Prevent drying of tissue

    • B.

      Prevent ignition of these materials by reflected beam

    • C.

      Protect the instruments

    • D.

      Absorb the gas produced

    Correct Answer
    B. Prevent ignition of these materials by reflected beam
    Explanation
    Sponges and towels used near the laser tissue impact site are kept wet to prevent ignition of these materials by the reflected beam. When a laser beam hits a surface, it can reflect off and potentially ignite flammable materials nearby. By keeping the sponges and towels wet, it reduces the risk of ignition as the water can absorb and dissipate the heat generated by the reflected beam, preventing any potential fire hazards.

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  • 24. 

    A laser plume is composed of

    • A.

      Methane gas

    • B.

      Carbonized particles, water, and odor

    • C.

      Dry combustibles

    • D.

      Gas vapor

    Correct Answer
    B. Carbonized particles, water, and odor
    Explanation
    A laser plume is composed of carbonized particles, water, and odor. When a laser is used, it vaporizes the material it comes into contact with, creating tiny carbonized particles. These particles, along with the vaporized water, make up the visible plume that is often seen during laser procedures. Additionally, the laser plume can also contain odor, which is a result of the materials being vaporized.

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  • 25. 

    When using lasers, nonreflective instrumentation

    • A.

      Decreases accidental direct reflection of the laser beam to another area

    • B.

      Decreases potential for infection

    • C.

      Decreases explosibility

    • D.

      Decreases short-circuiting of the laser

    Correct Answer
    A. Decreases accidental direct reflection of the laser beam to another area
    Explanation
    Nonreflective instrumentation decreases accidental direct reflection of the laser beam to another area. This means that when using lasers, instruments that are nonreflective are used to prevent the laser beam from bouncing off and causing unintended harm or damage in a different area. This is important for safety reasons as it reduces the risk of accidents and ensures that the laser is properly directed and controlled.

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  • 26. 

    Which laser emission is primarily absorbed in tissue by hemoglobin or melanin?

    • A.

      CO2

    • B.

      Argon

    • C.

      Nd-YAG

    • D.

      Helium-neon

    Correct Answer
    B. Argon
    Explanation
    Argon laser emission is primarily absorbed in tissue by hemoglobin or melanin. Hemoglobin is a protein in red blood cells that carries oxygen, and melanin is a pigment responsible for skin, hair, and eye color. The absorption of argon laser light by these substances allows for targeted treatment of blood vessels or pigmented lesions in medical procedures such as laser surgery or dermatology. CO2, Nd-YAG, and helium-neon lasers have different wavelengths and are not primarily absorbed by hemoglobin or melanin.

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  • 27. 

    The fire extinguisher of choice for a laser fire is a (n)

    • A.

      Water pressurized

    • B.

      CO2

    • C.

      Halon

    • D.

      Dry chemical

    Correct Answer
    C. Halon
    Explanation
    Halon is the fire extinguisher of choice for a laser fire because it is effective in extinguishing fires caused by lasers. Halon is a clean agent that does not leave any residue, making it suitable for use in sensitive electronic equipment like lasers. It works by chemically interrupting the combustion process, effectively suppressing the fire. Additionally, Halon is non-conductive and non-corrosive, minimizing the risk of damage to the laser equipment.

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  • 28. 

    In a surgical procedure employing the use of the laser, prep solution on the patient's skin should be pat-dried because

    • A.

      Pooled fluids can retain laser heat and subsequently burn tissue

    • B.

      Instrumentation cannot be exposed to prep solutions

    • C.

      Vapors can cause damage to the laser beam impact point

    • D.

      Laser retardant draping material must be placed on a thoroughly dry surface

    Correct Answer
    A. Pooled fluids can retain laser heat and subsequently burn tissue
    Explanation
    Prep solution on the patient's skin should be pat-dried because pooled fluids can retain laser heat and subsequently burn tissue. When the laser is used during a surgical procedure, it generates heat that can be absorbed by any fluids present on the patient's skin. If the prep solution is not dried properly, the pooled fluids can act as a conductor and retain the heat from the laser, leading to burns on the patient's skin. Therefore, it is important to pat-dry the prep solution to prevent this potential harm.

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  • 29. 

    Laser surgery performed in the rectal area should be preceded by

    • A.

      Suctioning of lower bowel to remove methane gas

    • B.

      Suctioning out the lower bowel contents

    • C.

      Packing the rectum with dry, counted sponges

    • D.

      A and C

    Correct Answer
    A. Suctioning of lower bowel to remove methane gas
    Explanation
    Laser surgery performed in the rectal area should be preceded by suctioning of the lower bowel to remove methane gas. This is because methane gas, which is produced by bacteria in the colon, can be ignited by the laser, potentially causing an explosion or fire. Therefore, it is important to remove the methane gas before performing laser surgery in order to ensure the safety of the patient and the surgical team.

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  • 30. 

    Ebonization refers to

    • A.

      Escharing of tissue from thermal or chemical burn

    • B.

      Coating of instruments to decrease reflectivity

    • C.

      Removing of a growth or harmful substance

    • D.

      Clumping together of cells as a result of interaction with antibodies

    Correct Answer
    B. Coating of instruments to decrease reflectivity
    Explanation
    Ebonization refers to the process of coating instruments in order to reduce their reflectivity. This coating helps to minimize glare or reflection, which can be distracting or interfere with visibility during surgical procedures or other tasks that require precise instrument handling. By decreasing reflectivity, ebonization improves visibility and allows for better control and accuracy when using these instruments.

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  • 31. 

    The use of each of the following items are measures employed to reduce laser-induced injuries EXCEPT

    • A.

      Ebonized instruments

    • B.

      Anodized instruments

    • C.

      Plastic vaginal and rectal speculums

    • D.

      Reflective drapes

    Correct Answer
    C. Plastic vaginal and rectal speculums
    Explanation
    The use of ebonized instruments, anodized instruments, and reflective drapes are all measures employed to reduce laser-induced injuries. Ebonized instruments are made of wood and are non-reflective, reducing the risk of laser reflection. Anodized instruments have a protective coating that makes them less reflective. Reflective drapes are used to shield the surrounding area from laser beams. However, plastic vaginal and rectal speculums are not specifically designed to reduce laser-induced injuries.

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  • 32. 

    When utilizing the laser, occupational exposure to surgical smoke via the skin, eye, and mucous membranes is best minimized by the use of

    • A.

      Charcoal filters

    • B.

      Copper shield

    • C.

      Universal precautions

    • D.

      Standard suction

    Correct Answer
    C. Universal precautions
    Explanation
    Universal precautions are a set of infection control practices that are used to prevent the transmission of diseases in healthcare settings. These precautions include wearing personal protective equipment (PPE) such as gloves, masks, and gowns, as well as practicing proper hand hygiene. By following universal precautions, healthcare workers can minimize their exposure to surgical smoke, which may contain harmful substances, and protect themselves and their patients from potential health risks.

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  • 33. 

    Which specialty would employ the use of a slit lamp and the laser?

    • A.

      Orthopedic

    • B.

      Urologic

    • C.

      Ophthalmic

    • D.

      ENT

    Correct Answer
    C. Ophthalmic
    Explanation
    The correct answer is ophthalmic. Ophthalmology is the specialty that deals with the diagnosis and treatment of eye disorders. A slit lamp is a specialized instrument used by ophthalmologists to examine the structures of the eye, such as the cornea, iris, and lens. It provides a magnified view of the eye's anterior segment. Additionally, ophthalmologists may also use lasers in various procedures, such as laser eye surgery to correct vision problems or treat certain eye conditions. Therefore, the use of a slit lamp and laser is specific to the ophthalmic specialty.

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  • 34. 

    The laser used primarily for port-wine stain lessons of the skin is the

    • A.

      Argon

    • B.

      Krypton

    • C.

      Yttrium aluminum garnet (YAG)

    • D.

      Ruby

    Correct Answer
    D. Ruby
    Explanation
    The ruby laser is commonly used for port-wine stain lesions of the skin. This type of laser emits pulses of red light that are specifically absorbed by the blood vessels in the skin, causing them to heat up and coagulate. This helps to reduce the appearance of the port-wine stain by shrinking the blood vessels. The ruby laser has been found to be effective in treating this condition, making it the correct answer.

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  • 35. 

    People who are near the CO2 laser impact area can guard against cormeal injuries by

    • A.

      Wearing amber-tinted lenses

    • B.

      Wearing clear glass or plastic glasses with side guards

    • C.

      Wearing green-tinted lenses

    • D.

      Looking away from the energy source

    Correct Answer
    B. Wearing clear glass or plastic glasses with side guards
    Explanation
    Wearing clear glass or plastic glasses with side guards can help guard against cormeal injuries caused by the CO2 laser impact. These glasses provide a protective barrier for the eyes, shielding them from direct exposure to the laser energy. The side guards further enhance the protection by preventing any stray laser beams from entering the eyes from the sides. This ensures that the eyes are adequately protected and reduces the risk of cormeal injuries. Amber-tinted lenses or green-tinted lenses may not provide the same level of protection as clear glass or plastic glasses with side guards.

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  • 36. 

    Each of the following are measures used to control the effects of the laser plume EXCEPT

    • A.

      Smoke evacuators

    • B.

      Suctions

    • C.

      High filtration masks

    • D.

      Moistened drapes

    Correct Answer
    D. Moistened drapes
    Explanation
    Moistened drapes are not measures used to control the effects of the laser plume. Smoke evacuators, suctions, and high filtration masks are all commonly used to control the laser plume by removing or filtering the smoke and particles generated during laser procedures. Moistened drapes, on the other hand, are typically used to create a sterile field or to prevent contamination during surgery, but they do not directly control the effects of the laser plume.

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  • 37. 

    Which endotracheal tube is contraindicated during laser surgery?

    • A.

      Flexible metal tube with external cuff attached

    • B.

      Polyvinyl chloride (PVC) tube

    • C.

      Red rubber tube wrapped with reflecting tape

    • D.

      Commercial laser endotracheal (ET) tube

    Correct Answer
    B. Polyvinyl chloride (PVC) tube
    Explanation
    During laser surgery, the use of a polyvinyl chloride (PVC) tube is contraindicated. This is because PVC is a flammable material and can catch fire when exposed to laser beams. The heat generated by the laser can cause the PVC tube to melt or ignite, leading to potential harm to the patient and surgical team. Therefore, it is important to avoid using PVC tubes during laser surgery and opt for alternative materials that are non-flammable and safe to use in this setting.

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  • 38. 

    What item should be on the scrub person's instrument table while the laser is in use?

    • A.

      Basin of sterile water or saline

    • B.

      Basin of sterile baking soda

    • C.

      Flame retardant sheets

    • D.

      Cotton blanket

    Correct Answer
    A. Basin of sterile water or saline
    Explanation
    During laser procedures, the scrub person's instrument table should have a basin of sterile water or saline. This is because lasers can generate heat and cause tissue damage, so having a basin of sterile water or saline nearby allows for immediate cooling and irrigation of the area if any accidental burns occur. It is important to have a sterile solution like water or saline to prevent infection or contamination. Basins of sterile baking soda, flame retardant sheets, and cotton blankets are not necessary for laser procedures and do not serve the same purpose as sterile water or saline.

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  • 39. 

    The following statements regarding lasers are true EXCEPT

    • A.

      Laser unit is protected from bumping against walls during movement

    • B.

      Flammable materials should not be used near laser impact site

    • C.

      Water or other solutions should not be placed on laser unit

    • D.

      Laser unit is in "on" position during entire case

    Correct Answer
    D. Laser unit is in "on" position during entire case
    Explanation
    The given answer states that the laser unit is in the "on" position during the entire case. This is incorrect because it is important to turn off the laser unit when it is not in use to prevent accidents or unwanted exposure to laser radiation.

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  • 40. 

    The laser used most commonly for retinal detachment, tear, or hole is

    • A.

      Krypton

    • B.

      Nd-YAG

    • C.

      Argon

    • D.

      CO2

    Correct Answer
    C. Argon
    Explanation
    The most commonly used laser for retinal detachment, tear, or hole is argon. Argon laser photocoagulation is a widely accepted treatment for these conditions. It works by creating small burns on the retina, which help to seal the tear or hole and prevent further detachment. The argon laser is preferred for its ability to precisely target the affected area and its effectiveness in treating retinal conditions.

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  • 41. 

    The tunable dye laser used to disintegrate kidney stones is the

    • A.

      ESWL

    • B.

      Candela

    • C.

      CO2

    • D.

      Nd-AG

    Correct Answer
    B. Candela
    Explanation
    The correct answer is "candela" because the question is asking for the type of tunable dye laser used to disintegrate kidney stones. The other options, such as ESWL, CO2, and Nd-AG, are not types of tunable dye lasers.

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  • 42. 

    A device used to correct and counteract internal bleeding conditions and hypovolemia is a (n)

    • A.

      CT

    • B.

      IPB

    • C.

      CVP

    • D.

      MAST

    Correct Answer
    D. MAST
    Explanation
    A MAST (Military Anti-Shock Trousers) is a device used to correct and counteract internal bleeding conditions and hypovolemia. It applies pressure to the lower body, which helps to stabilize blood flow and prevent further blood loss. This device is commonly used in emergency medical situations, particularly in trauma cases, to provide temporary stabilization and buy time until further medical interventions can be performed.

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  • 43. 

    Placement of a Levin tube would be in the

    • A.

      Ear

    • B.

      Large intestine

    • C.

      Stomach

    • D.

      Bladder

    Correct Answer
    C. Stomach
    Explanation
    The placement of a Levin tube would be in the stomach. A Levin tube is a type of nasogastric tube that is inserted through the nose and down into the stomach. It is commonly used for various medical purposes such as feeding, administering medications, or removing gastric contents. The tube is specifically designed to be placed in the stomach, allowing for direct access to the organ and facilitating the desired medical interventions.

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  • 44. 

    A sponge used in brain surgery is a (n)

    • A.

      Cottonoid patty

    • B.

      Kitner

    • C.

      Impregnated gauze

    • D.

      Porcine

    Correct Answer
    A. Cottonoid patty
    Explanation
    A cottonoid patty is a type of sponge that is commonly used in brain surgery. It is made of cotton and is designed to absorb fluids and provide gentle pressure to control bleeding during the procedure. The use of cottonoid patties helps to maintain a clear surgical field and prevent excessive bleeding, ensuring the safety and success of the surgery.

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  • 45. 

    The dressing used after nasal surgery is

    • A.

      Collodion

    • B.

      Moustache

    • C.

      Pressure

    • D.

      Telfa

    Correct Answer
    B. Moustache
    Explanation
    The dressing used after nasal surgery is "moustache". This answer suggests that a dressing resembling a moustache is used after nasal surgery. This could refer to a dressing that covers the upper lip area and extends to the sides of the nose, providing support and protection to the surgical site.

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  • 46. 

    Seamless tubular cotton that stretches to fit a contour and is used for padding is called a (n)

    • A.

      Ace bandage

    • B.

      Webril

    • C.

      Sheet wadding

    • D.

      Stockinette

    Correct Answer
    D. Stockinette
    Explanation
    Stockinette is a type of seamless tubular cotton fabric that can stretch to fit the contours of the body. It is commonly used for padding in medical applications, such as wrapping wounds or providing support for injured areas. This fabric is soft, breathable, and comfortable to wear, making it an ideal choice for medical purposes. Webril, on the other hand, is a non-woven cotton fabric that is often used for padding and protection, but it does not have the same stretch and contouring capabilities as stockinette. Ace bandage and sheet wadding are not specifically designed for padding and contouring purposes like stockinette.

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  • 47. 

    Which case would require the use of cottonoid strips?

    • A.

      Laminectomy

    • B.

      Tonsillectomy

    • C.

      Thorocotomy

    • D.

      Aortic aneurysmectomy

    Correct Answer
    A. Laminectomy
    Explanation
    Cottonoid strips are commonly used in surgical procedures to control bleeding and provide hemostasis. A laminectomy is a surgical procedure that involves removing a portion of the vertebral bone to relieve pressure on the spinal cord or nerves. This procedure often involves delicate manipulation of the surrounding tissues and structures, which can result in bleeding. Cottonoid strips can be used to absorb blood and provide gentle pressure to the surgical site, helping to control bleeding and maintain a clear field of view for the surgeon. Therefore, a laminectomy would require the use of cottonoid strips.

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  • 48. 

    An item used for padding that has smooth and clingy layers is called

    • A.

      Webril

    • B.

      Stockinette

    • C.

      Telfa

    • D.

      Gypsum

    Correct Answer
    A. Webril
    Explanation
    Webril is the correct answer because it is a type of padding material that is known for its smooth and clingy layers. It is commonly used in medical and healthcare settings for wound care and padding underneath splints or casts. Webril is made of 100% cotton fibers and is highly absorbent, making it suitable for various applications.

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  • 49. 

    An elastic adhesive bandage is

    • A.

      Flexible collodion

    • B.

      Ace bandage

    • C.

      Elastoplast

    • D.

      Scultetus binder

    Correct Answer
    C. Elastoplast
    Explanation
    Elastoplast is the correct answer because it is an elastic adhesive bandage. Elastoplast is a brand that produces adhesive bandages made of elastic material, allowing them to stretch and conform to the body's shape. These bandages are commonly used for support and compression in sports injuries or to secure dressings in place. The other options listed, such as flexible collodion, Ace bandage, and Scultetus binder, do not specifically refer to elastic adhesive bandages.

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  • 50. 

    Rectal packing is made of

    • A.

      Petroleum-treated gauze

    • B.

      Heparin-treated gauze

    • C.

      Antibiiotic-treated gauze

    • D.

      Telfa-treated gauze

    Correct Answer
    A. Petroleum-treated gauze
    Explanation
    Rectal packing is used to control bleeding and promote healing in the rectal area. Petroleum-treated gauze is commonly used for rectal packing because petroleum jelly helps to lubricate the area, reduce friction, and prevent the gauze from sticking to the rectal tissues. This allows for easier removal of the packing without causing further injury or discomfort to the patient. Additionally, petroleum jelly has some antimicrobial properties that can help prevent infection in the rectal area. Therefore, petroleum-treated gauze is the most suitable option for rectal packing.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 23, 2014
    Quiz Created by
    Nalani
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