Chapter 29: UV & LED Gel Nails
Gel Chemistry, Application & Curing Technology|37 Questions|Board Exam Prep
Vocabulary Matching
Match each numbered term with the correct lettered definition. Write the letter in the blank.
Fill in the Blank
Complete each statement with the correct term or phrase.
UV and LED gels harden through a process called , triggered by light energy.
The chemical in gel that absorbs light to start curing is called a .
Hard gel must be off because it cannot be dissolved in acetone.
Soft gel (soak-off gel) can be removed by soaking in .
The tacky layer remaining on gel after curing is called the layer.
lamps cure gel faster than traditional UV lamps.
Builder gel is a thick, hard gel used to create extensions or add strength.
The main ingredient in UV/LED gel products is an , a short chain of monomers.
Multiple Choice
Select the best answer for each board-exam style question.
UV and LED gels are cured by:
The difference between hard gel and soft gel is:
A photoinitiator is:
The inhibition layer is:
LED lamps compared to UV lamps:
Gel polish is a hybrid of:
Builder gel is used for:
Before applying gel, the natural nail should be:
True / False
Write T for True or F for False in the blank.
Hard gel can be easily removed by soaking in acetone.
LED lamps cure gel products faster than UV lamps.
The inhibition layer is a tacky residue that should be removed after curing.
Gel products cure through air-drying, similar to regular nail polish.
A photoinitiator absorbs light energy to trigger the curing process.
Soft gel (soak-off gel) can be removed with acetone.
Gel polish should be applied in thick layers for faster curing.
Over-curing gel can cause the product to become brittle and crack.
Short Answer
Answer each question in 2-3 complete sentences.
Explain how UV/LED gel products cure. Include the role of the photoinitiator and UV vs LED curing.
Compare hard gel and soft gel in terms of removal, durability, uses, and application.
What is the inhibition layer and why must it be properly managed?