Cosmetology Test Nail Care and Services 5

Question 1

What is the hyponychium and why is it significant during nail services?

Accepted Answer

The skin under the free edge; it seals the nail bed from bacteria

Answer

The hyponychium is the protective seal of skin beneath the free edge of the nail that prevents pathogens from entering under the nail plate.

Question 2

Which curing light wavelength is most effective for polymerizing gel nail products?

Accepted Answer

Ultraviolet (UV) / LED light at 365–405 nm

Answer

Gel photoinitiators are activated by UV/LED light in the 365–405 nanometer range, triggering polymerization of the gel product.

Question 3

What is 'pterygium' in nail terminology?

Accepted Answer

Forward growth of the cuticle onto the nail plate

Answer

Pterygium is the abnormal overgrowth of the cuticle (or in toenails, the nail bed skin) forward onto the nail plate surface.

Question 4

When performing a paraffin wax treatment on hands during a manicure, the wax temperature should be maintained at approximately:

Accepted Answer

115°F – 125°F (46°C – 52°C)

Answer

Paraffin wax for hand treatments is kept at 115–125°F to be warm enough to open pores and moisturize without risking burns.

Question 5

What type of nail enhancement system uses a two-part system of liquid monomer and powder polymer?

Accepted Answer

Acrylic (liquid and powder) system

Answer

The acrylic system combines a liquid monomer with a powder polymer; they polymerize when mixed, creating a hard, durable nail enhancement.

Cosmetology Test Practice Test