CDT Topical Medication Administration 3

Question 1

The fingertip unit (FTU) measurement is used to:

Accepted Answer

Standardize the amount of topical cream applied to a body area

Answer

One fingertip unit (the amount of cream squeezed from the tip to first crease of an adult index finger) equals about 0.5 g and is used to guide how much cream to apply to specific body areas.

Question 2

Which topical medication class is most commonly associated with skin atrophy with long-term use?

Accepted Answer

Topical corticosteroids

Answer

Long-term use of topical corticosteroids can cause skin atrophy, telangiectasia, and striae due to the inhibition of collagen synthesis.

Question 3

A patient is using a high-potency topical corticosteroid on the face. The dermatology technician should educate the patient about the risk of:

Accepted Answer

Perioral dermatitis and rosacea flares

Answer

High-potency corticosteroids used on the face can trigger perioral dermatitis and worsen rosacea; face applications typically require low-potency agents.

Question 4

When should a patient apply a topical medication prescribed 'twice daily'?

Accepted Answer

At two evenly spaced intervals throughout the day

Answer

Twice daily dosing should ideally be spaced approximately 12 hours apart for consistent therapeutic drug levels in the skin.

Question 5

Topical minoxidil is primarily used to treat:

Accepted Answer

Androgenetic alopecia

Answer

Topical minoxidil is FDA-approved for androgenetic alopecia (pattern hair loss) in both men and women and works by prolonging the anagen phase of hair growth.

(CDT) Certified Dermatology Tech Practice Test

(CDT) Certified Dermatology Tech Practice Test

CDT Topical Medication Administration 3