CME Practice Test #2

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Quizzes Created: 3 | Total Attempts: 12,541
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Patient Quizzes & Trivia

Questions and Answers
  • 1. 

    Information that should be obtained from each patient before treatment includes?

    • A.

      Fee charged, duration of treatment, modality and settings used, area to be treated

    • B.

      Medical history and current update, patient's starting weight, address of patient

    • C.

      Name, address, phone number, prior methods of hair removal, natural hair color

    • D.

      Prior methods of hair removal, shoe size, country of origin

    Correct Answer
    C. Name, address, phone number, prior methods of hair removal, natural hair color
    Explanation
    The information that should be obtained from each patient before treatment includes their name, address, phone number, prior methods of hair removal, and natural hair color. This information is important for the healthcare provider to have a complete understanding of the patient's background and to ensure that the appropriate treatment is provided. The patient's name, address, and phone number are necessary for identification and communication purposes. Prior methods of hair removal and natural hair color are important factors to consider when determining the most suitable treatment plan for the patient.

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  • 2. 

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

    • A.

      Club hair

    • B.

      Tombstone hair

    • C.

      Replacement hair

    • D.

      Pili-multigemeni

    Correct Answer
    D. 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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  • 3. 

    The primary reason for using cooling devices while performing laser treatments is?

    • A.

      To cool the dermal papilla and follicle structure thus preventing a blowout

    • B.

      To prevent the inner components of the laser machine from overheating

    • C.

      To prevent the laser headpiece from overheating and burning the epidermis

    • D.

      Allowing higher and more effective fluences to be used while sparing the epidermis

    Correct Answer
    D. Allowing higher and more effective fluences to be used while sparing the epidermis
    Explanation
    Cooling devices are used during laser treatments primarily to allow higher and more effective fluences to be used while sparing the epidermis. By cooling the skin surface, the cooling devices help to protect the outer layer of the skin from excessive heat and potential burns, while still allowing the laser to penetrate deeper into the dermis to target the desired treatment area. This allows for more effective treatment outcomes without causing harm to the epidermis.

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  • 4. 

    Documentation of a patient is of importance because?

    • A.

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

    • B.

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

    • C.

      Inspectors will ask to see patient files

    • D.

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

    Correct Answer
    B. 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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  • 5. 

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

    • A.

      Date of treatment, spot size, and joules

    • B.

      Height and weight, country or origin

    • C.

      Blood pressure, natural hair color

    • D.

      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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  • 6. 

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

    • A.

      2 treatments

    • B.

      10 treatments

    • C.

      A few treatments

    • D.

      A series of treatments

    Correct Answer
    D. 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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  • 7. 

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

    • A.

      Is necessary for hirsute patients only

    • B.

      Is never really necessary in most cases

    • C.

      Is necessary for each patient without exception

    • D.

      Is only necessary when there are problems

    Correct Answer
    C. 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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  • 8. 

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

    • A.

      Food and drug administration

    • B.

      Environmental protection agency

    • C.

      Federal communication commission

    • D.

      Center for disease control

    Correct Answer
    D. 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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  • 9. 

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

    • A.

      Gordon's theory

    • B.

      Planck's theory

    • C.

      Grothus-Draper law

    • D.

      The electromagnetic constant

    Correct Answer
    C. 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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  • 10. 

    The acronym LASER stands for?

    • A.

      Light emitted by systematic energy radiation

    • B.

      Light amplification by stimulated energy radiation

    • C.

      Light amount of systematic energy radiation

    • D.

      Light amplification by stimulated emission of radiation

    Correct Answer
    D. 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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  • 11. 

    The wavelength of the Ruby Laser is?

    • A.

      1064 nm

    • B.

      810 nm

    • C.

      755 nm

    • D.

      694.3 nm

    Correct Answer
    D. 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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  • 12. 

    What is laser light?

    • A.

      Infra red light

    • B.

      Full spectrum light

    • C.

      Monochromatic light

    • D.

      Consistent wavelength light

    Correct Answer
    C. 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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  • 13. 

    Laser is equivalent to which of the following modalities?

    • A.

      IPL

    • B.

      Thermolysis

    • C.

      Galvanic

    • D.

      Blend electrolysis

    Correct Answer
    B. Thermolysis
    Explanation
    Thermolysis is the correct answer because laser hair removal and thermolysis are both methods of hair removal that use heat to target and destroy hair follicles. IPL, Galvanic, and Blend electrolysis are different modalities that use different techniques or technologies for hair removal.

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  • 14. 

    An element has the ability to produce laser when it is in which of the following states?

    • A.

      Beta state

    • B.

      Anaphase state

    • C.

      Metaphase state

    • D.

      Metastable state

    Correct Answer
    D. Metastable state
    Explanation
    The correct answer is metastable state. In a metastable state, an element has excess energy that can be released as a laser. This state is characterized by a high energy level, but it is not as stable as the ground state. When the element is stimulated by an external energy source, such as an electrical current or light, it can release this excess energy as a laser beam.

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  • 15. 

    Light absorption is required for an effect in tissue. Without absorption, no affect or damage can be observed. This is known as?

    • A.

      Faraday's Law

    • B.

      Photo dynamic therapy

    • C.

      Grothus Draper Law

    • D.

      The Law of Florescence

    Correct Answer
    C. Grothus Draper Law
    Explanation
    The Grothus Draper Law states that in order for a photochemical effect to occur in tissue, light must be absorbed. Without absorption, no effect or damage can be observed. This law is based on the principle that light energy is converted into chemical energy when it is absorbed by a substance. Therefore, the correct answer is Grothus Draper Law.

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  • 16. 

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

    • A.

      Perifollicular erythema, perifollicular edema

    • B.

      Perifollicular erythema, polyfolliculitis,eschars

    • C.

      Polyfolliculitis, eschars

    • D.

      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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  • 17. 

    Incandescent light is an example of?

    • A.

      Monochromatic light

    • B.

      Polychromatic light

    • C.

      Incoherent light

    • D.

      Magnified light

    Correct Answer
    C. Incoherent light
    Explanation
    Incoherent light refers to light waves that have varying frequencies and phases, which results in random fluctuations in intensity and direction. Incandescent light is produced by a heated filament, and the emitted light consists of a broad range of wavelengths and phases. Therefore, incandescent light is an example of incoherent light.

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  • 18. 

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

    • A.

      Hooded

    • B.

      Unhooded

    • C.

      Pneumatically operated

    • D.

      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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  • 19. 

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

    • A.

      Erythema

    • B.

      Edema

    • C.

      Polyfolliculitis

    • D.

      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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  • 20. 

    An overtreatment of the skin characterized by blistering or epidermal separation, caused by lateral pressure on the skin is known as? 

    • A.

      Nikolski sign

    • B.

      Edema

    • C.

      Tissue injury

    • D.

      Ecchymosis

    Correct Answer
    A. Nikolski sign
    Explanation
    Nikolski sign refers to the blistering or separation of the epidermis caused by lateral pressure on the skin. This condition is often seen in certain dermatological conditions such as pemphigus vulgaris and toxic epidermal necrolysis. The term "overtreatment" implies that excessive or unnecessary pressure is being applied to the skin, leading to the development of blisters or separation. Therefore, Nikolski sign is the most appropriate answer in this context. Edema refers to the accumulation of fluid in the tissues, tissue injury is a general term for damage to any type of tissue, and ecchymosis refers to the discoloration of the skin due to bleeding underneath.

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  • 21. 

    The most important consideration while performing laser on patient is?

    • A.

      Patient comfort

    • B.

      Goggles

    • C.

      Goggles at the appropriate wavelength

    • D.

      Sterilization

    Correct Answer
    C. Goggles at the appropriate wavelength
    Explanation
    When performing laser on a patient, the most important consideration is using goggles at the appropriate wavelength. Laser goggles are designed to protect the eyes from the harmful effects of laser radiation. Different lasers emit radiation at different wavelengths, and wearing goggles that are specifically designed for the wavelength of the laser being used ensures maximum protection for the patient's eyes. This is crucial in order to prevent any potential damage or injury to the eyes during the laser procedure.

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  • 22. 

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

    • A.

      Tissue injury

    • B.

      Eschar

    • C.

      Scarring

    • D.

      Edema

    Correct Answer
    D. 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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  • 23. 

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

    • A.

      Nd Yag

    • B.

      Diode

    • C.

      A Alexandrite

    • D.

      Ruby

    Correct Answer
    C. 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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  • 24. 

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

    • A.

      Continuous wave

    • B.

      Q-switched

    • C.

      Pulsed

    • D.

      Automatic mode

    Correct Answer
    C. 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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  • 25. 

    Total destruction of tissue using laser energy is known as?

    • A.

      Photosynthesis

    • B.

      Photo ablation

    • C.

      Grothus law

    • D.

      Florescene

    Correct Answer
    B. Photo ablation
    Explanation
    Photoablation refers to the process of using laser energy to completely destroy tissue. It involves the removal or ablation of tissue through the use of a laser, which emits high-energy light that can vaporize or disintegrate the tissue. This technique is commonly used in various medical procedures, such as laser eye surgery or the removal of skin lesions. Photosynthesis, Grothus law, and fluorescence are unrelated to the destruction of tissue using laser energy.

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  • 26. 

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

    • A.

      Apply polysporin

    • B.

      Soak area in bubble bath

    • C.

      Avoid sun

    • D.

      Apply alcohol

    Correct Answer
    C. Avoid sun
    Explanation
    After a laser treatment, it is important to advise patients to avoid sun exposure. This is because laser treatments can make the skin more sensitive to the sun's harmful UV rays, increasing the risk of sunburn and other skin damage. By avoiding sun exposure, patients can help protect their skin and promote proper healing after the treatment.

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  • 27. 

    Laser is ineffective on hair that has?

    • A.

      Established a deep follicle depth

    • B.

      Developed into coarse terminal hair

    • C.

      An abundance of pigment

    • D.

      Little or no pigment

    Correct Answer
    D. 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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  • 28. 

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

    • A.

      Selective photothermolysis

    • B.

      Energy fluence

    • C.

      Nanometers

    • D.

      Energy source

    Correct Answer
    B. 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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  • 29. 

    People with dark skin have?

    • A.

      More melanocytes

    • B.

      Larger melanocytes

    • C.

      Melanocytes that are more active caused by cellular mutation

    • D.

      The same number of melanocytes as light skinned people, but are more active

    Correct Answer
    D. The same number of melanocytes as light skinned people, but are more active
    Explanation
    People with dark skin have the same number of melanocytes as light-skinned people, but their melanocytes are more active. Melanocytes are the cells responsible for producing melanin, the pigment that gives color to the skin. Dark-skinned individuals have higher levels of melanin due to the increased activity of their melanocytes. This increased melanin production helps protect the skin from harmful UV radiation and reduces the risk of skin cancer.

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  • 30. 

    Which of the following drugs increase photosensitivity?

    • A.

      Accutane

    • B.

      Lidocane

    • C.

      Polyurethane

    • D.

      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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  • 31. 

    Light waves that travel in perfect unison, parallel, and in the same direction is known as?

    • A.

      Traditional light

    • B.

      Monochromatic light

    • C.

      Coherent light

    • D.

      Polychromatic light

    Correct Answer
    C. Coherent light
    Explanation
    Coherent light refers to light waves that are in perfect unison, parallel, and traveling in the same direction. This means that the peaks and troughs of the waves align, resulting in a consistent and steady pattern of light. Coherent light is often produced by lasers, where the light waves are synchronized and have a single wavelength. This property of coherent light allows it to be focused into a tight beam and used in various applications such as optical communication, holography, and interferometry.

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  • 32. 

    Optical density labeling on laser safety eyewear refers to?

    • A.

      The amount of protection against a specific wavelength

    • B.

      The safe working distance for the eyewear

    • C.

      The thickness of the lens material

    • D.

      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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  • 33. 

    A female patient (Fitzpatrick II) has had five full body treatments. She states that her legs are not responding. The examination reveals she still has fairly dark coarse hairs on lower legs, the rest of the treatment areas show only sporadic patches of very light brown terminal hairs remaining. She has had no adverse reaction to any of the treatments and has not changed any medications. An Alexandrite laser was used with an 18mm spot size, 14 joules and cryogen at 20/30. Select the most appropriate action?

    • A.

      Make no changes and explain hair growth cycles

    • B.

      Adjust spot size to 15 mm and increase fluence

    • C.

      Adjust fluence higher for legs

    • D.

      Adjust fluence higher for entire body if pain tolerance permits

    Correct Answer
    C. Adjust fluence higher for legs
    Explanation
    The correct answer is to adjust the fluence higher for the legs. This is because the patient's legs are not responding to the treatment, indicating that the current fluence level may not be sufficient for effective hair removal. By increasing the fluence specifically for the legs, it can help target the darker and coarser hairs in that area and improve the treatment outcome. The fact that the patient has had no adverse reactions and has not changed any medications suggests that the lack of response is not due to external factors, but rather the need for a higher fluence level.

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  • 34. 

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

    • A.

      2-4 hours

    • B.

      1 week

    • C.

      24 hours

    • D.

      1 hour

    Correct Answer
    C. 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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  • 35. 

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

    • A.

      Skin

    • B.

      Eyes

    • C.

      Nervous system

    • D.

      Testes / Ovaries

    Correct Answer
    B. 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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  • 36. 

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

    • A.

      Thermal relaxation time

    • B.

      Thermal storage coefficient

    • C.

      Epidermal cooling

    • D.

      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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  • 37. 

    Using the Fitzpatrick skin phototype Scale, a person who is described as having fair skin accompanied by light brown or red hair, has green or blue eyes and who and always burns is determined to be what skin type?

    • A.

      Skin type I

    • B.

      Skin type II

    • C.

      Skin type III

    • D.

      Skin type VI

    Correct Answer
    A. Skin type I
    Explanation
    Based on the description provided, the person has fair skin, light brown or red hair, and green or blue eyes. Additionally, it is mentioned that the person always burns. According to the Fitzpatrick skin phototype Scale, Skin type I is characterized by very fair skin that always burns and never tans. Therefore, the person described in the question falls under Skin type I.

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  • 38. 

    A female patient arrives for her third laser hair removal treatment with her facial hair bleached. select the appropriate action?

    • A.

      Ask her to return when dark hair is visible

    • B.

      Use high fluence than previous treatment

    • C.

      Consult with a physician

    • D.

      Treat normally

    Correct Answer
    D. Treat normally
    Explanation
    The correct answer is to treat the patient normally. The fact that the patient's facial hair is bleached does not affect the effectiveness or safety of the laser hair removal treatment. The treatment can still be carried out as scheduled without any adjustments.

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  • 39. 

    During an initial consultation, the patient says that his co-worker was treated by you. When asked if you recall treating the co-worker, you should?

    • A.

      Deny knowing the other patient

    • B.

      Confirm that the co-worker is your patient

    • C.

      Tell the new patient that they will receive the same quality of treatment as the co-worker

    • D.

      In a friendly manner, explain HIPPA

    Correct Answer
    D. In a friendly manner, explain HIPPA
    Explanation
    In this scenario, when the patient mentions that his co-worker was treated by the doctor, it is important for the doctor to respond by explaining HIPAA in a friendly manner. This is because HIPAA (Health Insurance Portability and Accountability Act) is a federal law that protects the privacy and confidentiality of patients' medical information. By explaining HIPAA, the doctor can inform the patient about the importance of maintaining patient confidentiality and reassure them that their own medical information will be treated with the same level of privacy and respect.

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  • 40. 

    The "retinal hazard region" is laser light?

    • A.

      In the near infrared spectrum between 400-1400 nm

    • B.

      In the invisible and near infrared spectrum between 400-1400 nm

    • C.

      In the far infrared and middle ultraviolet wavelengths

    • D.

      In the visible and near infrared spectrum between 400-1400 nm

    Correct Answer
    D. In the visible and near infrared spectrum between 400-1400 nm
    Explanation
    The "retinal hazard region" refers to the range of wavelengths in which laser light can cause damage to the retina of the eye. This region is specifically in the visible and near infrared spectrum between 400-1400 nm.

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  • 41. 

    What is used to cool the inside of most pulsed lasers during operation?

    • A.

      A refrigerant

    • B.

      Room temperature air

    • C.

      Water

    • D.

      Distilled water

    Correct Answer
    D. Distilled water
    Explanation
    Distilled water is used to cool the inside of most pulsed lasers during operation. This is because distilled water has a high heat capacity and can effectively absorb and dissipate heat generated by the laser. Additionally, distilled water is non-conductive, which helps prevent any electrical damage to the laser components. Using distilled water as a coolant ensures that the laser operates at an optimal temperature, preventing overheating and maintaining its efficiency and performance.

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  • 42. 

    Select the response with all correct laser safety precautions?

    • A.

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

    • B.

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

    • C.

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

    • D.

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

    Correct Answer
    C. 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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  • 43. 

    What is the chromophore when using the Nd: Yag laser for hair removal?

    • A.

      The hair shaft

    • B.

      The papilla

    • C.

      Melanin in the skin

    • D.

      Melanin in the hair shaft and bulb

    Correct Answer
    D. Melanin in the hair shaft and bulb
    Explanation
    The Nd: Yag laser is commonly used for hair removal, and its chromophore, or the target of its energy, is melanin. Melanin is the pigment responsible for the color of our hair and skin. In the case of hair removal, the laser targets the melanin present in the hair shaft and bulb, where it absorbs the laser energy and converts it into heat. This heat damages the hair follicle, inhibiting future hair growth. Therefore, the correct answer is melanin in the hair shaft and bulb.

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  • 44. 

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

    • A.

      III

    • B.

      IV

    • C.

      I

    • D.

      II

    Correct Answer
    B. 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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  • 45. 

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

    • A.

      Treat skin no closer than 4" from tattoo

    • B.

      Lower fluence when going over tattoo

    • C.

      Make no change because laser will ignore green ink

    • D.

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

    Correct Answer
    D. 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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  • 46. 

    What is OSHA?

    • A.

      Occupational standards and hazards administration

    • B.

      On-site safety and Hazard Association

    • C.

      Occupational State Healthcare Association

    • D.

      Occupational Safety and Hazard Administration

    Correct Answer
    D. 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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  • 47. 

    In laser hair removal, what needs to be damaged in order to prevent further hair growth?

    • A.

      Melanin in the hair shaft and bulb

    • B.

      Follicular epithelium

    • C.

      Stem cells and dermal papilla

    • D.

      Pilosebaceous unit

    Correct Answer
    C. Stem cells and dermal papilla
    Explanation
    In laser hair removal, stem cells and dermal papilla need to be damaged in order to prevent further hair growth. Stem cells are responsible for producing new cells, including hair cells, and dermal papilla is a structure at the base of the hair follicle that plays a crucial role in hair growth. By targeting and damaging these components, laser hair removal inhibits their ability to regenerate and results in long-term hair reduction.

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  • 48. 

    A male patient (Fitzpatrick III) is given a test spot on the area of his body with the darkest skin. An Alexandrite laser was used with an 18mm spot size, 16 joules and cryogen at 20/30. Within five minutes, edematous lesions. select the most appropriate action?

    • A.

      Adjust cryogen to 30/30

    • B.

      Stop the treatment

    • C.

      Adjust fluence to 12 or 14 joules

    • D.

      Adjust spot size to 10mm and fluence to 18 joules

    Correct Answer
    C. Adjust fluence to 12 or 14 joules
    Explanation
    The patient experienced edematous lesions, which are swelling and fluid buildup in the skin. This suggests that the laser treatment was too intense or aggressive for the patient's skin type. By adjusting the fluence (energy level) to a lower setting of 12 or 14 joules, the treatment can be made less intense and reduce the risk of adverse reactions like edema.

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  • 49. 

    The treatment room used to perform laser hair removal should have all of the following except?

    • A.

      No mirrors or other reflective surfaces

    • B.

      No windows, or windows blacked out with protective covering

    • C.

      Protective eyewear outside the door of the room for individuals who may enter during a treatment

    • D.

      Several ceiling fans to cool the patient and technician

    Correct Answer
    D. Several ceiling fans to cool the patient and technician
    Explanation
    The treatment room used for laser hair removal should not have several ceiling fans to cool the patient and technician. This is because the airflow generated by the fans can interfere with the laser treatment by blowing away the targeted hair follicles or disrupting the laser beam. It is important to maintain a controlled and stable environment during the procedure to ensure the effectiveness and safety of the treatment.

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  • 50. 

    What is considered a natural chromophore for hair removal lasers?

    • A.

      Carbon-based lotion

    • B.

      Oxyhemoglobin

    • C.

      Melanin in the hair shaft and bulb

    • D.

      Melanin

    Correct Answer
    C. Melanin in the hair shaft and bulb
    Explanation
    Melanin is considered a natural chromophore for hair removal lasers because it is the pigment responsible for the color of our hair. Hair removal lasers target the melanin in the hair shaft and bulb, absorbing the laser energy and converting it into heat. This heat damages the hair follicle, inhibiting future hair growth.

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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
  • May 01, 2017
    Quiz Created by
    Juliana01
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