CME Practice Test #2

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  • 1/100 Questions

    It is important to advise patients which of the following after a laser treatment?

    • Apply polysporin
    • Soak area in bubble bath
    • Avoid sun
    • Apply alcohol
Please wait...
CME Practice Test #2 - Quiz
About This Quiz

CME practice test #2 assesses key knowledge for laser treatment procedures, including patient information collection, hair follicle conditions, and the use of cooling devices. It emphasizes the importance of thorough documentation and patient education on treatment expectations.

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  • 2. 

    A correct statement about health history documentation is that it is?

    • Is necessary for hirsute patients only

    • Is never really necessary in most cases

    • Is necessary for each patient without exception

    • Is only necessary when there are problems

    Correct Answer
    A. Is necessary for each patient without exception
    Explanation
    Health history documentation is necessary for each patient without exception because it provides crucial information about a patient's medical background, including any pre-existing conditions, allergies, medications, and past surgeries. This information helps healthcare professionals make informed decisions about the patient's current and future treatment plans. Additionally, health history documentation allows for continuity of care, as it can be referred to by different healthcare providers involved in the patient's care. It also serves as a legal and ethical requirement to ensure patient safety and provide the best possible healthcare.

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  • 3. 

    During the initial consultation, the patient should be informed that the process will take?

    • 2 treatments

    • 10 treatments

    • A few treatments

    • A series of treatments

    Correct Answer
    A. A series of treatments
    Explanation
    The correct answer is "a series of treatments" because during the initial consultation, it is important to inform the patient that the process will require multiple sessions or treatments. This suggests that the treatment is not a one-time event, but rather a series of sessions that will be needed to achieve the desired outcome.

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  • 4. 

    A requirement for foot switches that directly pulse the laser is that they be?

    • Hooded

    • Unhooded

    • Pneumatically operated

    • Lectrically operated

    Correct Answer
    A. Hooded
    Explanation
    The requirement for foot switches that directly pulse the laser is that they be hooded. A hooded foot switch provides protection and prevents accidental activation of the laser. It ensures that the laser is only activated when intended, reducing the risk of injury or damage.

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  • 5. 

    Which of the following drugs increase photosensitivity?

    • Accutane

    • Lidocane

    • Polyurethane

    • Benzocane

    Correct Answer
    A. Accutane
    Explanation
    Accutane is a medication that is known to increase photosensitivity. This means that it can make the skin more sensitive to sunlight and UV rays, leading to an increased risk of sunburn and skin damage. It is important for individuals taking Accutane to take precautions such as wearing sunscreen and protective clothing when exposed to the sun to minimize the risk of adverse effects.

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  • 6. 

    Which part of the human body is most vulnerable to laser light?

    • Skin

    • Eyes

    • Nervous system

    • Testes / Ovaries

    Correct Answer
    A. Eyes
    Explanation
    The eyes are the most vulnerable part of the human body to laser light. This is because the eyes are highly sensitive to light and can be easily damaged by intense laser beams. Exposure to laser light can cause permanent damage to the retina, leading to vision loss or even blindness. It is important to protect the eyes when working with or around lasers to prevent any potential harm.

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  • 7. 

    The effect of skin turning red after treatment is referred to as?

    • Erythema

    • Edema

    • Polyfolliculitis

    • Eschar

    Correct Answer
    A. Erythema
    Explanation
    Erythema refers to the redness of the skin that occurs after treatment. It is a common side effect that can be caused by various factors such as inflammation, increased blood flow, or dilation of blood vessels. Erythema is often seen after procedures like laser treatments, chemical peels, or sunburns. It is important to note that erythema is a temporary condition and usually resolves on its own within a few hours or days.

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  • 8. 

    The most common type of laser used for hair removal is?

    • Continuous wave

    • Q-switched

    • Pulsed

    • Automatic mode

    Correct Answer
    A. Pulsed
    Explanation
    Pulsed lasers are the most common type of laser used for hair removal because they deliver short bursts of energy to the targeted area. These lasers emit light in pulses, allowing for precise and controlled treatment. The pulses of energy are absorbed by the pigment in the hair follicles, damaging them and inhibiting future hair growth. Pulsed lasers are effective at removing unwanted hair and are often used in professional hair removal clinics.

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  • 9. 

    Your laser hair removal patient has a dark green tattooon the upper arm. How should this be managed?

    • Treat skin no closer than 4" from tattoo

    • Lower fluence when going over tattoo

    • Make no change because laser will ignore green ink

    • Cover tattoo with white material and treat hairs around tattoo with a reasonable margin of safety

    Correct Answer
    A. Cover tattoo with white material and treat hairs around tattoo with a reasonable margin of safety
    Explanation
    The correct answer is to cover the tattoo with white material and treat the hairs around the tattoo with a reasonable margin of safety. This is because the laser used for hair removal may not be able to effectively target or remove the green ink in the tattoo. By covering the tattoo with white material, it helps to prevent the laser from inadvertently targeting the tattoo and causing potential damage or discoloration. Treating the hairs around the tattoo with a margin of safety ensures that the hair removal treatment is still effective without compromising the tattoo.

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  • 10. 

    Hair removal lasers are effective on the following follicle structure?

    • Curved

    • Distorted

    • Straight

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Hair removal lasers are effective on all types of follicle structures, including curved, distorted, and straight. This is because the lasers target the pigment in the hair follicles, regardless of their shape or condition. The light energy from the laser is absorbed by the pigment, which then heats up and destroys the follicle, preventing future hair growth. Therefore, all types of follicle structures can be successfully treated with hair removal lasers.

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  • 11. 

    What is laser light?

    • Infra red light

    • Full spectrum light

    • Monochromatic light

    • Consistent wavelength light

    Correct Answer
    A. Monochromatic light
    Explanation
    Monochromatic light refers to light that consists of only a single wavelength or color. This means that all the photons in the beam have the same frequency and energy. Laser light is an example of monochromatic light as it is produced by a process called stimulated emission, which ensures that all the photons emitted have the same frequency. This property of laser light allows for its unique characteristics such as coherence, directionality, and high intensity.

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  • 12. 

    A 755 nm wavelength is specific to which of the following lasers?

    • Nd Yag

    • Diode

    • A Alexandrite

    • Ruby

    Correct Answer
    A. A Alexandrite
    Explanation
    The correct answer is Alexandrite because it is the only laser among the options that emits light at a 755 nm wavelength. Nd Yag lasers typically emit light at a wavelength of 1064 nm, Diode lasers can vary in wavelength but are commonly used in the range of 800-980 nm, and Ruby lasers emit light at a wavelength of 694.3 nm. Therefore, Alexandrite is the only laser that matches the given wavelength of 755 nm.

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  • 13. 

    Laser is ineffective on hair that has?

    • Established a deep follicle depth

    • Developed into coarse terminal hair

    • An abundance of pigment

    • Little or no pigment

    Correct Answer
    A. Little or no pigment
    Explanation
    Laser hair removal works by targeting the pigment in the hair follicles, which absorbs the laser energy and destroys the follicle. Therefore, hair that has little or no pigment cannot effectively absorb the laser energy, making laser treatment ineffective on such hair.

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  • 14. 

    Laser light cannot?

    • Ablate tissue

    • Cause photoacoustic destruction

    • Be absorbed by a chromophore

    • Cause intracellular changes in DNA

    Correct Answer
    A. Cause intracellular changes in DNA
    Explanation
    Laser light cannot cause intracellular changes in DNA. Laser light is a concentrated beam of light that generates heat and energy, which can be used for various purposes such as cutting, welding, or medical treatments. However, laser light does not have the ability to directly alter the structure or genetic material of DNA within cells. Other forms of radiation, such as ultraviolet light or ionizing radiation, are known to cause DNA damage and intracellular changes.

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  • 15. 

    The energy level of a laser, measured in joules, is known as?

    • Selective photothermolysis

    • Energy fluence

    • Nanometers

    • Energy source

    Correct Answer
    A. Energy fluence
    Explanation
    Energy fluence refers to the amount of energy delivered per unit area. In the context of lasers, it represents the energy level of the laser beam. Measured in joules, energy fluence determines the intensity and effectiveness of laser treatments. It is an important parameter in various applications such as laser surgery, laser hair removal, and laser skin rejuvenation. By controlling the energy fluence, practitioners can precisely target specific tissues or structures, achieving desired therapeutic outcomes while minimizing damage to surrounding areas.

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  • 16. 

    The amount of time it takes a substance after heating, to return to its normal temerature is known as?

    • Thermal relaxation time

    • Thermal storage coefficient

    • Epidermal cooling

    • Photodynamic therapy

    Correct Answer
    A. Thermal relaxation time
    Explanation
    Thermal relaxation time refers to the amount of time it takes for a substance to cool down and return to its normal temperature after being heated. It is a measure of how quickly heat dissipates from the substance. This concept is important in various fields such as thermodynamics and materials science, as it helps in understanding the behavior and properties of different substances when exposed to heat.

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  • 17. 

    When excited with a flashlamp, the Alexandrite crystal emits radiation at?

    • 532 nm

    • 694 nm

    • 755 nm

    • 585 nm

    Correct Answer
    A. 755 nm
    Explanation
    When excited with a flashlamp, the Alexandrite crystal emits radiation at 755 nm. Alexandrite is a type of chrysoberyl that exhibits a phenomenon known as "alexandrite effect," where the color of the crystal changes depending on the light source. In this case, when the crystal is excited by a flashlamp, it emits light with a wavelength of 755 nm, which corresponds to a deep red color. This property makes Alexandrite a popular gemstone due to its unique color-changing ability.

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  • 18. 

    A "basic" Fitzpatrick scale takes into account?

    • Skin color only

    • Hair color only

    • Skin color, natural hair color, and sensitivity to sunlight

    • Skin color, sensitivity to sunlight

    Correct Answer
    A. Skin color, natural hair color, and sensitivity to sunlight
    Explanation
    The basic Fitzpatrick scale takes into account skin color, natural hair color, and sensitivity to sunlight. This scale is used to classify different skin types based on their reaction to sun exposure. Skin color is an important factor as it can determine the level of melanin in the skin, which affects how it responds to sunlight. Natural hair color is also considered as it can indicate the presence of certain pigments in the body. Sensitivity to sunlight is included as it helps determine the individual's susceptibility to sunburn and other skin conditions.

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  • 19. 

    The acronym LASER stands for?

    • Light emitted by systematic energy radiation

    • Light amplification by stimulated energy radiation

    • Light amount of systematic energy radiation

    • Light amplification by stimulated emission of radiation

    Correct Answer
    A. Light amplification by stimulated emission of radiation
    Explanation
    The correct answer is "Light amplification by stimulated emission of radiation". This is because LASER is an acronym that stands for Light amplification by stimulated emission of radiation. This term describes the process by which a laser device produces a highly concentrated beam of light through the amplification of light waves through stimulated emission.

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  • 20. 

    What type of non-laser light is also used for hair removal?

    • Laser diode

    • Xenon flash lamp

    • Intense pulsed light

    • Light emitting diode

    Correct Answer
    A. Intense pulsed light
    Explanation
    Intense pulsed light (IPL) is a type of non-laser light that is commonly used for hair removal. IPL uses a broad spectrum of light wavelengths to target and destroy hair follicles. It is effective in removing hair from various parts of the body and can be used on different skin types. Unlike laser diode, xenon flash lamp, and light emitting diode (LED), which are also types of non-laser lights, IPL specifically emits intense pulses of light to achieve hair removal.

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  • 21. 

    Select the response with all correct laser safety precautions?

    • Hooded foot petal, door warning signs, disposable patient drapes, cryogen cooling, safety eyewear

    • Safety eyewear, hooded foot petal, locked towel cabinet, contact cooling, distance gauge

    • Door warning sign, hooded foot petal, safety eyewear, emergency stop switch, no mirrors in treatment room

    • Door warning sign, safety eyewear, hooded foot petal, no make-up on patient, distance gauge

    Correct Answer
    A. Door warning sign, hooded foot petal, safety eyewear, emergency stop switch, no mirrors in treatment room
    Explanation
    The correct answer is "Door warning sign, hooded foot petal, safety eyewear, emergency stop switch, no mirrors in treatment room." These precautions are important for laser safety. The door warning sign alerts individuals to the presence of a laser and reminds them to take necessary precautions. The hooded foot petal helps to prevent accidental activation of the laser. Safety eyewear protects the eyes from laser radiation. The emergency stop switch allows for immediate shutdown of the laser in case of an emergency. Mirrors in the treatment room can reflect the laser beam and cause unintended exposure.

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  • 22. 

    Longer laser wavelengths?

    • Penetrate less

    • Penetrate more

    • Cause more pain

    • Are more challenging to use

    Correct Answer
    A. Penetrate more
    Explanation
    Longer laser wavelengths have the ability to penetrate more deeply into the target material or tissue. This is because longer wavelengths have lower energy and are less likely to be absorbed or scattered by the medium they pass through. As a result, longer wavelengths can reach and affect deeper layers, making them more suitable for applications where deep penetration is required, such as medical treatments or material processing.

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  • 23. 

    Two or more hairs sharing a single follicle are referred to as?

    • Club hair

    • Tombstone hair

    • Replacement hair

    • Pili-multigemeni

    Correct Answer
    A. Pili-multigemeni
    Explanation
    Pili-multigemeni refers to the condition where multiple hairs emerge from a single follicle. This can occur due to various reasons such as genetic factors or certain medical conditions. It is different from club hair, which refers to a hair that has stopped growing and is in a resting phase. Tombstone hair and replacement hair are not terms commonly used in relation to multiple hairs sharing a single follicle.

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  • 24. 

    Documentation of a patient is of importance because?

    • Patience need to be able to see what they've had for treatments

    • Poor documentation may result in the appearance of malpractice, negligence, fraud, and abuse

    • Inspectors will ask to see patient files

    • There is no need for keeping patient files for more than 3 years

    Correct Answer
    A. Poor documentation may result in the appearance of malpractice, negligence, fraud, and abuse
    Explanation
    Documentation of a patient is important because poor documentation can lead to the appearance of malpractice, negligence, fraud, and abuse. Accurate and detailed documentation is essential for healthcare providers to track and communicate patient information, treatments, and outcomes. It helps in ensuring patient safety, continuity of care, and legal protection for both the patient and the healthcare provider. In case of any legal or regulatory inspections, inspectors may ask to see patient files to assess the quality of care provided. Moreover, maintaining patient files for a specified period of time is necessary for legal and historical purposes.

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  • 25. 

    Optical density labeling on laser safety eyewear refers to?

    • The amount of protection against a specific wavelength

    • The safe working distance for the eyewear

    • The thickness of the lens material

    • The amount of transittance of the eyewear

    Correct Answer
    A. The amount of protection against a specific wavelength
    Explanation
    Optical density labeling on laser safety eyewear refers to the amount of protection against a specific wavelength. This labeling indicates the ability of the eyewear to block or attenuate the laser light at a particular wavelength, ensuring that the wearer is adequately protected against potential eye damage. The higher the optical density, the greater the level of protection provided by the eyewear.

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  • 26. 

    Select the laser that should be used to remove hair from a patient with very dark skin?

    • Ruby or Argon laser

    • Diode or Nd-Yag laser

    • Erbium- Yag laser

    • Alexandrite laser

    Correct Answer
    A. Diode or Nd-Yag laser
    Explanation
    The correct answer is Diode or Nd-Yag laser. Diode laser and Nd-Yag laser are both suitable for removing hair from patients with very dark skin. These lasers have longer wavelengths that can bypass the melanin in the skin, reducing the risk of burns or hyperpigmentation. They are considered safer and more effective for darker skin types compared to other lasers like Ruby, Argon, Erbium-Yag, or Alexandrite lasers.

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  • 27. 

    The organization responsible for precaution recommendations to minimize the transmission of blood born pathogens is?

    • Food and drug administration

    • Environmental protection agency

    • Federal communication commission

    • Center for disease control

    Correct Answer
    A. Center for disease control
    Explanation
    The Center for Disease Control (CDC) is responsible for providing precaution recommendations to minimize the transmission of bloodborne pathogens. The CDC is a national public health agency in the United States that focuses on preventing and controlling infectious diseases. They provide guidelines and recommendations for healthcare professionals and the general public to prevent the spread of diseases, including bloodborne pathogens such as HIV, hepatitis B, and hepatitis C. Their recommendations help to ensure the safety of healthcare workers and the general population when dealing with blood and other potentially infectious materials.

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  • 28. 

    Which are positive reactions to the skin indication a successful LHR treatment?

    • Perifollicular erythema, perifollicular edema

    • Perifollicular erythema, polyfolliculitis,eschars

    • Polyfolliculitis, eschars

    • Perifollicular edema, eschars

    Correct Answer
    A. Perifollicular erythema, perifollicular edema
    Explanation
    Perifollicular erythema and perifollicular edema are positive reactions that indicate a successful LHR (laser hair removal) treatment. These reactions suggest that the laser has effectively targeted the hair follicles, leading to inflammation and swelling around the hair follicles. This is a normal response and indicates that the treatment is working as intended. Polyfolliculitis and eschars, on the other hand, are not positive reactions and may indicate complications or adverse effects of the treatment.

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  • 29. 

    Select the FDA class of laser that presents both a direct and reflected hazard?

    • III

    • IV

    • I

    • II

    Correct Answer
    A. IV
    Explanation
    FDA class IV lasers present both a direct and reflected hazard. Class IV lasers are high-powered lasers that can cause severe burns and eye damage, both from direct exposure and from reflected beams. These lasers require strict safety precautions and are typically used in industrial and medical applications where high power is necessary.

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  • 30. 

    What is OSHA?

    • Occupational standards and hazards administration

    • On-site safety and Hazard Association

    • Occupational State Healthcare Association

    • Occupational Safety and Hazard Administration

    Correct Answer
    A. Occupational Safety and Hazard Administration
    Explanation
    OSHA stands for Occupational Safety and Hazard Administration. It is a regulatory agency in the United States that is responsible for ensuring safe and healthy working conditions for employees. OSHA sets and enforces standards to prevent workplace injuries, illnesses, and fatalities. The agency conducts inspections, provides training and education, and imposes penalties for non-compliance with safety regulations. OSHA plays a crucial role in protecting workers and promoting a safe working environment across various industries.

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  • 31. 

    Because of sun sensitivity, "red heads" must always be considered which Fitzpatrick type?

    • VI

    • III

    • I

    • II

    Correct Answer
    A. I
    Explanation
    "Red heads" typically have fair skin, freckles, and light-colored hair. These characteristics are commonly associated with Fitzpatrick Type I, which is characterized by very fair skin that always burns and never tans. Therefore, it is important to consider Fitzpatrick Type I for individuals with red hair due to their increased sensitivity to the sun.

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  • 32. 

    Select the wavelength of a long-pulsed Ruby laser?

    • 585 nm

    • 694 nm

    • 532 nm

    • 640nm

    Correct Answer
    A. 694 nm
    Explanation
    The correct answer is 694 nm. Ruby lasers are solid-state lasers that use a synthetic ruby crystal as the gain medium. These lasers emit red light and have a wavelength of 694 nm. This specific wavelength is determined by the energy levels of the ruby crystal and the transition between them.

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  • 33. 

    Components of a laser include?

    • A flashlamp or other high intensity non-coherent light source

    • A lasing medium

    • Fiber optics and lenses

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The components of a laser include a flashlamp or other high intensity non-coherent light source, a lasing medium, and fiber optics and lenses. All of these components are necessary for the functioning of a laser. The flashlamp or non-coherent light source provides the initial energy to excite the lasing medium. The lasing medium is responsible for producing the coherent light. Fiber optics and lenses are used to guide and manipulate the laser beam. Therefore, all of the given options are correct components of a laser.

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  • 34. 

    The longer pulse widths are considered more effective because?

    • They cover more area

    • They allow for more skin types to tolerate higher fluences

    • They penetrate deeper into the tissue

    • Their TRT time is much faster

    Correct Answer
    A. They penetrate deeper into the tissue
    Explanation
    Longer pulse widths are considered more effective because they penetrate deeper into the tissue. This allows for a more thorough and targeted treatment, reaching deeper layers of the skin or tissue. By penetrating deeper, the treatment can address underlying issues and provide better results. Additionally, deeper penetration can also help stimulate collagen production and promote skin rejuvenation.

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  • 35. 

    When tissue has been injured, fluid escapes the blood vessels to surround the damaged tissue. This is referred to as?

    • Tissue injury

    • Eschar

    • Scarring

    • Edema

    Correct Answer
    A. Edema
    Explanation
    When tissue is injured, fluid escapes from the blood vessels and accumulates around the damaged area. This accumulation of fluid is known as edema. Edema is a natural response of the body to injury and inflammation, as it helps to provide nutrients and immune cells to the damaged tissue. It can cause swelling, pain, and discomfort in the affected area.

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  • 36. 

    Risks of laser treatment include all of the following except?

    • Ecchymosis

    • Nodules

    • Hypopigmentation

    • Edema

    Correct Answer
    A. Nodules
    Explanation
    The question asks for the risk of laser treatment that is not included in the given options. Nodules are not typically listed as a risk of laser treatment, so the correct answer is "Nodules." This suggests that the other options, ecchymosis, hypopigmentation, and edema, are risks associated with laser treatment.

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  • 37. 

    What can occur with excess heating of the skin?

    • Hypopigmentation

    • Hyperpigmentation

    • Hypertrophies

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Excess heating of the skin can lead to various reactions. Hypopigmentation refers to the loss of skin color, which can occur due to damage to the melanocytes. Hyperpigmentation, on the other hand, refers to the darkening of the skin caused by an increase in melanin production. Lastly, hypertrophies refer to the abnormal enlargement or thickening of the skin. All of these reactions can occur when the skin is exposed to excessive heat.

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  • 38. 

    The target for laser hair removal is?

    • Melanoma

    • Keratin

    • Melanin

    • The papilla

    Correct Answer
    A. Melanin
    Explanation
    Melanin is the correct answer for the target of laser hair removal. Melanin is the pigment responsible for the color of our skin and hair. Laser hair removal works by targeting the melanin in the hair follicles, heating and damaging them to inhibit future hair growth. The laser is attracted to the melanin in the hair, which absorbs the light energy and converts it into heat. This heat then destroys the hair follicle, preventing further hair growth. Therefore, melanin is the target for laser hair removal treatment.

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  • 39. 

    The principle that says energy must be absorbed by an object in order to produce an effect is called?

    • Gordon's theory

    • Planck's theory

    • Grothus-Draper law

    • The electromagnetic constant

    Correct Answer
    A. Grothus-Draper law
    Explanation
    The Grothus-Draper law states that in order for a chemical reaction to occur, energy must be absorbed by the reactants. This means that energy is required to break the existing bonds before new ones can be formed. This principle is important in understanding the energy changes that occur during chemical reactions and is a fundamental concept in chemistry.

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  • 40. 

    The wavelength of the Ruby Laser is?

    • 1064 nm

    • 810 nm

    • 755 nm

    • 694.3 nm

    Correct Answer
    A. 694.3 nm
    Explanation
    The correct answer is 694.3 nm. This is the wavelength of the Ruby Laser. Different lasers operate at different wavelengths, and the Ruby Laser specifically emits light at a wavelength of 694.3 nm. This specific wavelength is determined by the properties of the ruby crystal used in the laser's construction.

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  • 41. 

    An allergic phototoxic reaction can occur up to ______ post-treatment?

    • 2-4 hours

    • 1 week

    • 24 hours

    • 1 hour

    Correct Answer
    A. 24 hours
    Explanation
    An allergic phototoxic reaction can occur up to 24 hours post-treatment. This means that after being exposed to a certain substance or treatment, an individual may experience an allergic reaction with increased sensitivity to sunlight or other sources of ultraviolet (UV) radiation within 24 hours. It is important to be aware of this timeframe to take necessary precautions and avoid further exposure to UV radiation, which can worsen the reaction.

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  • 42. 

    What is the waiting period before laser treatment after a patient stops taking accutane?

    • 30 days

    • 180 days/ 6 months

    • 1 year

    • 18 months

    Correct Answer
    A. 180 days/ 6 months
    Explanation
    The waiting period before laser treatment after a patient stops taking Accutane is 180 days or 6 months. This is because Accutane, a medication used to treat severe acne, can cause the skin to become more sensitive and prone to damage during laser treatments. Waiting for this period allows the medication to fully clear from the patient's system, reducing the risk of adverse reactions and ensuring optimal results from the laser treatment.

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  • 43. 

    What is most critical for protecting the skin during laser hair removal? 

    • Shaving prior to treatment

    • Topical anesthesia

    • Cooling the skin

    • Applying moisturizer

    Correct Answer
    A. Cooling the skin
    Explanation
    Cooling the skin is most critical for protecting the skin during laser hair removal. Laser hair removal involves using a laser to target and destroy the hair follicles. This process can generate heat, which can potentially damage the surrounding skin. Cooling the skin helps to minimize this risk by reducing the temperature of the skin and minimizing any potential discomfort or burns. It also helps to protect the skin from any potential side effects such as redness or swelling. Therefore, cooling the skin is an important step in ensuring the safety and effectiveness of laser hair removal.

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  • 44. 

    An increase in color in cells post treatment is referred to as?

    • Erythema

    • Pigmentation

    • Hyperpigmentation

    • Hypopigmentation

    Correct Answer
    A. Hyperpigmentation
    Explanation
    Hyperpigmentation refers to an increase in color in cells post treatment. It is a common condition characterized by the darkening of certain areas of the skin due to the overproduction of melanin. This can occur as a result of various factors such as sun exposure, hormonal changes, inflammation, or certain medications. Hyperpigmentation can manifest as dark spots, patches, or uneven skin tone.

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  • 45. 

    Permanent hair reduction according to the FDA is defined as?

    • No hair grown at the treatment site for approximately 3 months after each treatment

    • All follicles in the treatment area have become vellus follicles

    • An 85% reduction in hair growth with each treatment

    • A long term stable reduction in the number of hair regrowing after a treatment regime

    Correct Answer
    A. A long term stable reduction in the number of hair regrowing after a treatment regime
    Explanation
    Permanent hair reduction, according to the FDA, refers to a long-term stable reduction in the number of hair regrowing after a treatment regime. This means that after undergoing a series of treatments, there will be a significant decrease in the amount of hair that grows back in the treated area. This reduction should be stable over time, indicating a permanent change in hair growth patterns. It does not necessarily mean complete hair removal, but rather a substantial and lasting reduction in hair regrowth.

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  • 46. 

    The following information should be included on a patient's chart?

    • Date of treatment, spot size, and joules

    • Height and weight, country or origin

    • Blood pressure, natural hair color

    • Both a and b

    Correct Answer
    A. Date of treatment, spot size, and joules
    Explanation
    The correct answer is "Date of treatment, spot size, and joules." This information is important to include on a patient's chart because it helps track the progress and effectiveness of the treatment. The date of treatment allows for proper documentation and chronological organization of the patient's medical history. Spot size and joules are specific parameters used in certain treatments, such as laser procedures, and are crucial for ensuring the correct settings are used and for monitoring the patient's response to the treatment. Height, weight, country of origin, blood pressure, and natural hair color are also important pieces of information to include on a patient's chart, but they are not directly related to the specific treatment being performed.

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  • 47. 

    Which fitzpatrick skin types are more susceptible to skin cancer?

    • I, III

    • I,V

    • I, II

    • V, VI

    Correct Answer
    A. I, II
    Explanation
    Fitzpatrick skin types I and II are more susceptible to skin cancer. These skin types have fair skin, light hair, and light-colored eyes, which means they have less melanin and are more prone to sunburn. Sunburns increase the risk of developing skin cancer, especially melanoma. Therefore, individuals with Fitzpatrick skin types I and II should take extra precautions to protect their skin from the sun and regularly check for any signs of skin cancer.

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  • 48. 

    Thermal Relaxation Time (TRT) refers to?

    • The time required for the target structure to completely cool off

    • The time it takes the target structure to lose 50% of the heat absorbed

    • The time measured in between laser pulses

    • The time it takes the target structure to lose 90% of the heat absorbed

    Correct Answer
    A. The time it takes the target structure to lose 50% of the heat absorbed
    Explanation
    Thermal Relaxation Time (TRT) refers to the time it takes for the target structure to lose 50% of the heat absorbed. It is a measure of how quickly the target structure can cool off after being heated. This time is important in various applications, such as laser-induced thermal therapies, where precise control of the thermal effects is necessary. By understanding the TRT, one can optimize the timing and intensity of laser pulses to achieve the desired therapeutic outcome.

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  • 49. 

    Select the potential contraindication to laser hair removal?

    • Sun sensitivity

    • Black skin

    • History of hypertrophic scarring

    • All are contraindications

    Correct Answer
    A. All are contraindications
    Explanation
    All of the options listed (sun sensitivity, black skin, history of hypertrophic scarring) can be potential contraindications to laser hair removal. Sun sensitivity can increase the risk of complications and damage to the skin during the procedure. Black skin may be more prone to pigmentation changes or burns from the laser. A history of hypertrophic scarring suggests a tendency for the skin to heal with excessive scar tissue formation, which may be worsened by the laser treatment. Therefore, all of these factors should be considered as contraindications to laser hair removal.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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
  • May 01, 2017
    Quiz Created by
    Juliana01
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