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