Cutaneous Miscellaneous - Episode 21 - Board Booster

Introducing Cutaneous Miscellaneous Boards Booster. Each episode will feature high-yield board review questions pertaining to the board review topic discussed. Questions and answer explanations are written and edited by current dermatology residents/fellows and are sourced from key resources such as Bolognia Dermatology, Andrews’ Dermatology and Alikhan’s Review of Dermatology.

Question Title

* Which of the following laser terms is correctly matched with the definition?

Monochromicity – emission of a single wavelength

Spot size - Amount of time required for heated tissue to lose half of its heat

Collimation - light waves traveling in phase

Energy - Duration of laser exposure

Question Title

* What clinical change should you look for when treating a Port wine stain with a pulsed dye laser (PDL)?

Hyperpigmentation

Erythema

Purpura

Edema

Hypopigmentation

Question Title

* Which of the following laser type in the visible spectrum is incorrectly paired with the laser light color?

Argon – Blue/Green

PDL – Yellow

Ruby – Red

KTP – Blue

Question Title

* Which of the following is not a laser medium you would use to treat tattoo with brown, black, or blue pigment?

Ruby

Rhodamine dye

Nd:Yag

Alexandrite

Question Title

* Which of the following lasers has the highest efficacy for laser hair removal?

Intense pulsed light

Nd:Yag

Diode

Long-pulsed Ruby

Alexandrite