CLT Tattoo Removal Procedures 2

Question 1

Which laser wavelength is BEST suited for targeting red tattoo ink?

Accepted Answer

532nm KTP (frequency-doubled Nd:YAG)

Answer

1064nm Nd:YAG

Answer

755nm Alexandrite

Answer

694nm Ruby

Question 2

What is the PRIMARY mechanism by which Q-switched lasers fragment tattoo ink?

Accepted Answer

Photomechanical (photoacoustic) shock waves that shatter ink particles

Answer

Thermal vaporization of the dermis

Answer

Chemical photodegradation of pigment molecules

Answer

Photocoagulation causing ink clumping

Question 3

Paradoxical darkening after laser tattoo removal is MOST commonly associated with which ink color?

Accepted Answer

White or flesh-toned

Answer

Black

Answer

Red

Answer

Dark blue

Question 4

Which Fitzpatrick skin type group carries the HIGHEST risk of post-inflammatory hyperpigmentation (PIH) following tattoo removal?

Accepted Answer

Types IV–VI

Answer

Type I

Answer

Type II

Answer

Type III

Question 5

Which factor in the Kirby-Desai scale most dramatically increases the predicted number of removal sessions?

Accepted Answer

Layering (cover-up tattoos)

Answer

Tattoo location on the body

Answer

Number of ink colors present

Answer

Patient age at time of tattoo

Question 6

When treating a multi-color tattoo, which approach is generally recommended?

Accepted Answer

Use multiple wavelengths in the same session to target different colors

Answer

Use a single high-fluence setting to address all colors at once

Answer

Use a single wavelength per session targeting one color at a time

Answer

Treat lighter colors before darker colors to prevent scattering

Question 7

Pulse duration in Q-switched tattoo removal lasers is measured in which unit?

Accepted Answer

Nanoseconds (ns) or picoseconds (ps)

Answer

Milliseconds (ms)

Answer

Microseconds (µs)

Answer

Seconds (s)