Surgical Tech (Appleton & Lange) Part 7
The book, Surgical Tech Appleton & Lange Part 7 is a necessary study book for all medical students and especially surgical students. Take this quiz and gauge your understanding of the book and Part 7 to be specific.
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. MediastinoscopeExplanation
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 to examine the mediastinum, which is the space between the lungs that contains the heart, esophagus, and other important structures. This procedure, known as mediastinoscopy, is often performed to diagnose and stage lung cancer, as well as to evaluate other conditions affecting the mediastinum. The other options, bronchoscope, laryngoscope, and thoracoscope, are also types of endoscopes, but they are not specifically designed for viewing the middle of the thorax.Rate this question:
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- 2.
Loupes are used for
- A.
Tissue retraction
- B.
Magnification
- C.
Hemostasis
- D.
Patient transfer
Correct Answer
B. MagnificationExplanation
Loupes are optical devices that provide magnification, allowing the user to see small details more clearly. They are commonly used in various fields such as medicine, dentistry, and jewelry making. By enhancing the visual field, loupes enable professionals to perform precise tasks with greater accuracy. Therefore, the correct answer is "magnification."Rate this question:
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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 detailExplanation
The resolving power of an operating microscope refers to its ability to discern detail. This means that the microscope can distinguish and visualize small or fine features with clarity and precision. 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 resolving power.Rate this question:
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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 CExplanation
The oculars and objective lens are both responsible for magnification in an optical lens system. The oculars, also known as eyepieces, are located at the end of the optical system closest to the viewer's eye. They provide additional magnification to the image formed by the objective lens. The objective lens, on the other hand, is located at the opposite end of the system and is responsible for gathering and focusing light from the object being observed. Together, the oculars and objective lens work in tandem to magnify the image for the viewer.Rate this question:
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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 mmExplanation
The range of focal lengths of the objective lenses in the operating microscope is 100-400 mm. This means that the microscope has a variety of lenses that can be used depending on the specific needs of the procedure. The range allows for flexibility in adjusting the magnification and focus, ensuring clear and precise visualization of the surgical field. Lenses with shorter focal lengths are used for higher magnification, while lenses with longer focal lengths are used for lower magnification but a wider field of view. This range covers a wide range of surgical procedures, making it a suitable choice for various applications.Rate this question:
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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 controlExplanation
A zoom lens with foot control provides a continuously variable magnification system for the eye surgeon. This means that the surgeon can adjust the magnification level according to their specific needs during the surgery. The foot control allows for hands-free operation, giving the surgeon more flexibility and precision in their movements. This type of lens enables the surgeon to have a clear and detailed view of the surgical area, enhancing their ability to perform delicate procedures with accuracy and efficiency.Rate this question:
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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 perceptionExplanation
The purpose of the "slit" lamp in eye surgery is to define depth perception. This instrument uses a narrow beam of light to create a thin, vertical slit that allows the doctor to examine the different layers of the eye in detail. By observing the depth and position of various structures within the eye, the surgeon can accurately assess any abnormalities or conditions that may require treatment.Rate this question:
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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 illuminatorsExplanation
The operating microscope that visually employs fiberoptics for its light source is coaxial illuminators. Coaxial illuminators are designed with a fiber optic bundle that allows the light to be transmitted directly through the microscope's objective lens. This design provides a more focused and uniform illumination, allowing for better visualization during surgical procedures. The use of fiberoptics also helps to minimize heat generation, making it a safer option for delicate procedures.Rate this question:
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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 useExplanation
The correct answer is "damp dust lenses with detergent-disinfectant before use." This is because using a detergent-disinfectant on the lenses of a microscope can damage them and affect their performance. Instead, lenses should be cleaned using a specialized lens cleaning solution or lens tissue to avoid any potential damage.Rate this question:
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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'sExplanation
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 both the surgeon and the assistant to see the same image simultaneously, facilitating better communication and coordination during the procedure. The beam splitter splits the light entering the microscope, directing a portion of it towards the assistant's eyepiece, while the rest continues towards the surgeon's eyepiece. This ensures that both individuals have an aligned view of the surgical field, enabling them to work together effectively.Rate this question:
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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. CervixExplanation
The colpomicroscope is a medical instrument used to examine the cervix. It provides a clear and magnified view of the cervix, allowing healthcare professionals to detect any abnormalities or changes in the tissue. This is an important tool in gynecology and can help in the diagnosis and treatment of various conditions related to the cervix.Rate this question:
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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 microlaryngoscopyExplanation
Suspension microlaryngoscopy is the correct answer because it describes the procedure that uses a self-retaining laryngoscope and microscope. This procedure involves suspending the patient's larynx using a suspension system, which allows for better visualization and access to the larynx for examination or surgery. It is commonly used for diagnostic purposes or to remove lesions or growths in the larynx.Rate this question:
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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 eyepiecesExplanation
The binocular microscope provides stereoscopic vision because it has double eyepieces, allowing the viewer to see the specimen from two slightly different angles. This creates a three-dimensional image, giving a sense of depth and allowing for better perception of the specimen's structure and details. The other options, such as color projection, magnification capability, and illumination process, are not directly related to the concept of stereoscopic vision.Rate this question:
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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 ballExplanation
The procedure described in the answer is inappropriate because soaking the lens in solvent for 10 minutes can damage the lens and the use of a cotton ball for drying can leave lint or fibers on the lens surface. It is important to avoid using solvents on optic lenses as they can cause damage. Instead, a specialized lens cleaning solution should be used to clean oil or fingerprints, followed by gentle drying with a lens cleaning cloth or tissue specifically designed for lens cleaning.Rate this question:
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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 CExplanation
The OR bed may have a metal crossbar between the two upper sections which may be raised to elevate the kidney and gallbladder. The metal crossbar provides support and stability to the patient's body during surgical procedures. By raising the crossbar, the surgeon can elevate the kidney and gallbladder to provide better visibility and access during surgery. This feature is particularly useful in procedures involving these organs, allowing the surgeon to perform the surgery more effectively and efficiently.Rate this question:
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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 boardExplanation
A double arm board is also known as an "airplane support" because it is a medical device used to support and immobilize a patient's arms during surgery or medical procedures. The name "airplane support" may refer to the position of the patient's arms on the board, which resembles the outstretched position of arms during a flight. This device helps to keep the patient's arms secure and in a comfortable position, allowing the medical team to perform procedures safely and effectively.Rate this question:
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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 bridgeExplanation
The shoulder bridge can aid in operative accessibility in thyroid surgery. This device helps to elevate the patient's shoulders, allowing for better access to the surgical site. By lifting the shoulders, it creates more space and improves the surgeon's ability to maneuver and perform the procedure effectively. This can enhance visibility and precision during thyroid surgery, ultimately leading to better outcomes for the patient.Rate this question:
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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 TrendelenburgExplanation
Shoulder braces would be indicated in the position of extreme Trendelenburg. Extreme Trendelenburg is a position where the patient's head is lowered and the body is tilted at a steep angle with the feet elevated higher than the head. This position is often used in certain surgical procedures, such as pelvic surgeries, to allow better access to the surgical site. Shoulder braces are used to secure the patient's shoulders and prevent them from sliding down the operating table during surgery in this extreme tilted position.Rate this question:
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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 aboveExplanation
When using kidney rests, it is important to take certain precautions. Pressing firmly but not too tightly against the body ensures proper support without causing discomfort or pain. Padding well helps to distribute the pressure evenly and prevent any potential injuries. Placing the longer rest beneath the iliac crest, which is the upper margin of the pelvic bone, provides stability and support to the lower back. Therefore, all of the above precautions are necessary when using kidney rests.Rate this question:
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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 respirationExplanation
Chest rolls or bolsters are used to facilitate respiration. By positioning the chest rolls correctly, it helps to open up the chest and allows for better expansion of the lungs during breathing. This can be particularly beneficial for individuals who have limited lung capacity or difficulty breathing. By providing support and allowing for easier breathing, chest rolls can help improve respiratory function and overall comfort during activities such as lying down or sitting.Rate this question:
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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 studiesExplanation
Bakelite orthopedic table attachments are sometimes used because they do not interfere with radiographic studies. This means that when these attachments are used, they do not cause any obstruction or distortion in the images produced by radiographic studies. This is important as it allows for accurate diagnosis and assessment of orthopedic conditions without any interference from the attachments.Rate this question:
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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 beamExplanation
Sponges and towels used near the laser tissue impact site are kept wet in order 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 like sponges and towels. By keeping them wet, the water acts as a barrier, preventing the materials from catching fire. This precaution is important to ensure the safety of both the patient and the medical staff during laser procedures.Rate this question:
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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 odorExplanation
A laser plume is composed of carbonized particles, water, and odor. This is because laser surgery produces a plume or smoke that contains the byproducts of the tissue being vaporized. The carbonized particles are the result of the tissue being burned by the laser, while water is present in the plume due to the natural moisture content of the tissue. The odor is caused by the release of volatile organic compounds during the laser surgery. Dry combustibles and gas vapor are not typically present in a laser plume.Rate this question:
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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 areaExplanation
Nonreflective instrumentation decreases accidental direct reflection of the laser beam to another area. This means that when using lasers, having nonreflective instruments reduces the risk of the laser beam bouncing off a surface and inadvertently hitting another area, potentially causing harm or damage.Rate this question:
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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. ArgonExplanation
Argon laser emission is primarily absorbed in tissue by hemoglobin or melanin. This is because argon lasers emit blue-green light, which is in the range of wavelengths that are absorbed by these pigments. Hemoglobin, found in red blood cells, absorbs light in the blue spectrum, while melanin, found in skin and hair, absorbs light in the green spectrum. Therefore, argon lasers are commonly used in medical and cosmetic procedures that target blood vessels or pigmented lesions.Rate this question:
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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. HalonExplanation
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 works by interrupting the chemical reaction of the fire, thus suppressing it. It is particularly suitable for laser fires because it does not conduct electricity and leaves no residue, which is important for protecting sensitive laser equipment. Additionally, Halon is non-toxic and does not harm the ozone layer, making it an environmentally friendly choice.Rate this question:
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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 tissueExplanation
When using a laser in a surgical procedure, it is important to pat-dry the prep solution on the patient's skin because pooled fluids can retain laser heat and subsequently burn tissue. The laser generates heat, and if there are pooled fluids on the patient's skin, they can act as a conductor and retain the heat, increasing the risk of tissue burns. Therefore, it is necessary to ensure that the skin is thoroughly dry to minimize this risk and ensure patient safety.Rate this question:
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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 gasExplanation
When laser surgery is performed in the rectal area, it is important to suction the lower bowel to remove methane gas. Methane gas can be present in the rectal area and can be flammable, posing a risk during laser surgery. Suctioning the lower bowel helps to remove this gas and reduce the risk of any potential fire or explosion hazards. Packing the rectum with dry, counted sponges may be done for other reasons, but it is not specifically related to the removal of methane gas. Therefore, the correct answer is suctioning of lower bowel to remove methane gas.Rate this question:
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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 reflectivityExplanation
Ebonization refers to the process of coating instruments to decrease their reflectivity. This coating helps to reduce glare and improve visibility during surgical procedures. By decreasing reflectivity, ebonization enhances the contrast and clarity of the surgical field, allowing surgeons to perform procedures with greater precision. This technique is commonly used in various medical specialties, such as ophthalmology and neurosurgery, where clear visualization is crucial for successful outcomes.Rate this question:
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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 speculumsExplanation
Ebonized instruments, anodized instruments, and reflective drapes are all measures employed to reduce laser-induced injuries because they are non-reflective and absorb or disperse laser energy. Plastic vaginal and rectal speculums, on the other hand, are not specifically designed to reduce laser-induced injuries.Rate this question:
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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 precautionsExplanation
Universal precautions refer to a set of infection control practices that healthcare workers follow to prevent the transmission of diseases. This includes the use of personal protective equipment such as gloves, masks, and goggles to protect the skin, eyes, and mucous membranes from exposure to surgical smoke when using a laser. Universal precautions are considered the best way to minimize occupational exposure to surgical smoke, as they provide comprehensive protection against various infectious agents present in the smoke. Charcoal filters, copper shields, and standard suction may have limited effectiveness in reducing exposure to surgical smoke and are not as comprehensive as universal precautions.Rate this question:
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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. OphthalmicExplanation
The specialty that would employ the use of a slit lamp and the laser is ophthalmic. A slit lamp is a device used by ophthalmologists to examine the structures of the eye, including the cornea, iris, and lens. It provides a magnified view of the eye and is commonly used in diagnosing and managing eye conditions. The laser, on the other hand, is used in ophthalmic procedures such as laser eye surgery to correct vision problems like nearsightedness, farsightedness, and astigmatism. Therefore, ophthalmic is the correct answer as it is the specialty that specifically deals with eye-related conditions and treatments.Rate this question:
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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. RubyExplanation
The correct answer is ruby. Ruby lasers are commonly used for port-wine stain lessons of the skin. These lasers emit a red light with a wavelength that is absorbed by the pigmented cells in the skin, causing them to heat up and break apart. This helps to reduce the appearance of the port-wine stain and improve the overall appearance of the skin. Other lasers, such as argon, krypton, and yttrium aluminum garnet (YAG), may have different applications in dermatology, but they are not typically used for port-wine stain treatments.Rate this question:
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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 guardsExplanation
Wearing clear glass or plastic glasses with side guards can protect people from cormeal injuries caused by CO2 laser impact. These glasses provide a physical barrier that prevents the laser from directly reaching the eyes. The side guards also offer additional protection by blocking any stray laser beams that may come from the sides. Amber-tinted lenses and green-tinted lenses do not provide the same level of protection as clear glass or plastic glasses with side guards. Looking away from the energy source may reduce the risk of direct exposure, but it does not offer sufficient protection against potential laser beams that can still reach the eyes.Rate this question:
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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 drapesExplanation
Moistened drapes are not typically used as a measure to control the effects of the laser plume. Smoke evacuators, suctions, and high filtration masks are commonly used to remove or filter the laser plume, which consists of smoke, particles, and potentially harmful gases, from the surgical environment. Moistened drapes, on the other hand, are used to create a sterile barrier or maintain a moist environment during surgery, but they do not directly address the control of laser plume.Rate this question:
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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) tubeExplanation
The polyvinyl chloride (PVC) tube is contraindicated during laser surgery because PVC is a flammable material that can ignite when exposed to the laser beam. This can cause a fire hazard and potentially harm the patient. Therefore, it is important to use alternative materials that are non-flammable, such as a flexible metal tube with an external cuff attached or a red rubber tube wrapped with reflecting tape, or to use a commercial laser endotracheal (ET) tube specifically designed for laser procedures.Rate this question:
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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 salineExplanation
During laser procedures, the scrub person needs to have a basin of sterile water or saline on their instrument table. This is because lasers generate heat, which can cause tissue damage and burns. The sterile water or saline is used to cool down the laser tip and prevent any potential harm to the patient. It is crucial to have a sterile solution to avoid introducing any contaminants or infections during the procedure.Rate this question:
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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 caseExplanation
The given answer states that the laser unit is in the "on" position during the entire case. However, this statement is not true because it is important to turn off the laser unit when it is not in use or when it is being transported to prevent any accidental exposure or damage.Rate this question:
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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. ArgonExplanation
The correct answer is argon. Argon laser is commonly used for treating retinal detachment, tears, or holes. It is preferred due to its ability to deliver precise and controlled laser energy to the retina. The argon laser produces a blue-green light that is well-absorbed by the pigmented cells in the retina, allowing for targeted treatment. This laser is effective in sealing retinal tears and creating scar tissue to reattach the retina, preventing further detachment.Rate this question:
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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. CandelaExplanation
The correct answer is "candela" because it is a unit of measurement for the intensity of light. A tunable dye laser is used in the process of extracorporeal shock wave lithotripsy (ESWL) to disintegrate kidney stones. The laser emits high-intensity light pulses that are focused on the kidney stones, causing them to break up into smaller pieces. Therefore, the use of a candela laser in ESWL is an effective method for treating kidney stones.Rate this question:
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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. MASTExplanation
MAST stands for Military Anti-Shock Trousers, which are a device used to correct and counteract internal bleeding conditions and hypovolemia. These trousers apply pressure to the lower body, specifically the legs and abdomen, to help control bleeding and increase blood flow to vital organs. MAST is commonly used in emergency situations and trauma care to stabilize patients and prevent further blood loss.Rate this question:
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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. StomachExplanation
The placement of a Levin tube would be in the stomach. A Levin tube is a soft, flexible tube that is inserted through the nose or mouth and down into the stomach. It is used for various purposes, such as decompressing the stomach, administering medications or nutrients, or removing gastric contents. The stomach is the correct placement for a Levin tube because it allows for direct access to the stomach and its contents.Rate this question:
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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 pattyExplanation
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. Cottonoid patties are sterile and come in various sizes and shapes to fit different surgical needs. They are often used to protect delicate brain tissue and prevent any damage during the surgery.Rate this question:
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- 45.
The dressing used after nasal surgery is
- A.
Collodion
- B.
Moustache
- C.
Pressure
- D.
Telfa
Correct Answer
B. MoustacheExplanation
The dressing used after nasal surgery is a moustache. This is because a moustache dressing is a type of dressing that is placed under the nose to absorb any drainage or bleeding that may occur after the surgery. It helps to keep the area clean and dry, promoting healing and preventing infection. The moustache dressing is typically made of gauze or other absorbent material and is shaped like a moustache to fit comfortably under the nose.Rate this question:
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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. StockinetteExplanation
Stockinette is a type of seamless tubular cotton fabric that is known for its ability to stretch and conform to different contours. It is commonly used for padding in various applications, such as in medical bandages or protective gear. Stockinette provides a comfortable and secure fit, making it an ideal choice for providing cushioning and support. Webril and sheet wadding are also materials used for padding, but they do not have the same stretch and contouring properties as stockinette. Ace bandage, on the other hand, is a specific type of bandage that is not made of cotton and does not stretch to fit contours.Rate this question:
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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. LaminectomyExplanation
Cottonoid strips are small pieces of absorbent material that are used in surgical procedures to control bleeding and protect delicate tissues. In a laminectomy, which is a surgical procedure to remove a portion of the vertebral bone, cottonoid strips may be used to absorb any blood or fluids that may accumulate during the surgery. They can also be used to provide a barrier between the surgical site and surrounding tissues, preventing any damage or contamination. Therefore, a laminectomy would require the use of cottonoid strips.Rate this question:
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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. WebrilExplanation
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 dental settings for wound care and protection. Webril is made of cotton fibers and is soft, absorbent, and non-linting, making it ideal for padding and protecting sensitive areas.Rate this question:
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- 49.
An elastic adhesive bandage is
- A.
Flexible collodion
- B.
Ace bandage
- C.
Elastoplast
- D.
Scultetus binder
Correct Answer
C. ElastoplastExplanation
The correct answer is elastoplast. Elastoplast is an elastic adhesive bandage that is commonly used for supporting and protecting sprains, strains, and other injuries. It is made of a stretchable fabric that allows for flexibility and movement while providing compression and stability to the affected area. Elastoplast bandages are easy to apply and can be cut to the desired length, making them suitable for various body parts. They are also water-resistant and durable, making them ideal for long-term use.Rate this question:
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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 gauzeExplanation
Rectal packing is made of petroleum-treated gauze because petroleum jelly has lubricating properties that help facilitate the insertion and removal of the packing. It also provides a protective barrier and helps prevent drying and irritation of the rectal tissue. Additionally, petroleum-treated gauze has been found to be effective in controlling bleeding and promoting healing in rectal wounds.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 22, 2012Quiz Created by
Tigger28384
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