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Chapter 3. Laser and Radiofrequency Surgery
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In general, lasers with longer wavelength have deeper tissue penetration. Which of the following lasers is an exception to this rule?
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During an operative procedure utilizing a laser, the following safety precautions should be observed.
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A. Patient’s eyes must be protected with moist eye pads.
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B. All operating room personnel must wear wavelength specific protective glasses.
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C. While the laser is not in use, it should be in “stand by” mode.
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D. In laser aerodigestive tract surgery, partial pressure of oxygen in the gas mixture should be reduced to a minimum.
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Which of the following lasers would be appropriate for treatment of superficial vascular lesions?
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All of the following are contraindications to laser skin resurfacing, except
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A. Use of isotretinoin (Accutane) within the past 1 to 2 years
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E. History of a facial burn
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Which of the following statements regarding laser surgery is true?
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A. Alexandrite laser (755 nm) is frequently used for tattoo and hair removal.
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B. CO2 laser is often used for treatment of superficial vascular lesions.
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C. CO2 laser light (10.6 µm) can be transmitted through an optical fiber.
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D. Postoperative pigmentary changes after laser skin resurfacing are more pronounced in patients with low Fitzpatrick classes (I and II).
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E. CO2 laser light is visible.