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CHAPTER TWENTY. Low-Level Laser Therapy

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Low-level lasers do not create heat and are sometimes referred to as cold lasers. What is the classification for low-level lasers used in wound healing?

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a. Class 3A

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b. Class 2A

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c. Class 3B

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d. Class 3A

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Which of the following are required characteristic of lasers used for wound healing?

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a. Monochromatic, coherent, collimated

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b. Dichromatic, coherent, collimated

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c. Monochromatic, dispersed, collimated

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d. Dichromatic, dispersed, collimated

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What are the naturally occurring pigments in the body that are affected by photobiomodulation?

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a. Macrophages

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b. Cytokines

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c. Chromophores

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d. Merkel cells

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Photobiomodulation is thought to promote wound healing by affecting which of the biological processes listed below?

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a. Fibroblast proliferation, increased macrophage activity, collagen synthesis

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b. Increased macrophage activity, collagen synthesis, decreased mitochondrial production of ATP

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c. Collagen synthesis, increased mitochondrial production of ATP, decreased oxygen availability to tissues

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d. Fibroblast proliferation, increased macrophage activity, collagen degradation

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Which of the following have been reported as contraindications or precautions for the use of LLLT in the treatment of wounds?

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a. Over thyroid tissue

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b. During the first trimester of pregnancy

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c. Over the eye

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d. Over cancerous growths

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e. All of the above have been reported

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Which of the following statements specific to LLLT is true?

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a. Low-level laser therapy is FDA approved for wound healing in the United States.

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b. Low-level laser therapy should only be administered by a provider with an expertise in the use of therapeutic technologies.

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c. Multiple adverse events have been reported from the use of low-level laser therapy.

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d. Sufficient evidence on precise treatment parameters is available to support the use of low-level laser therapy for ...

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