Cosmetology Quiz
Questions: 16 · 10 minutes
1. A reusable, nonporous comb has visible product residue after a service. What should happen before it is disinfected?
It should be stored until the residue dries completely.
It should be placed directly into a closed container without cleaning.
It should be sprayed with fragrance to mask contamination.
It should be cleaned with soap or detergent and water to remove the residue.
2. A lightened hair result shows an unwanted orange tone. Based on complementary color theory, which color is used to neutralize orange?
Red
Yellow
Blue
Violet
3. A hair strand absorbs water very quickly, loses moisture rapidly and feels rough because its cuticle is raised or damaged. Which property is most directly indicated?
High porosity
Low density
Fine texture
Slow growth rate
4. Which cells produce melanin in the skin?
Fibroblasts
Keratinocytes
Melanocytes
Adipocytes
5. Before using a product that may cause a sensitivity reaction, a manufacturer directs the user to perform a patch test. What is the test primarily intended to assess?
Whether the product will produce the desired final color
Whether the product has the correct viscosity
Whether the service will last for its maximum possible time
Whether the skin shows a possible sensitivity or allergic response
6. How does a surfactant help shampoo remove oily soil from hair?
It lowers surface tension and helps oil disperse in water for rinsing.
It permanently seals oil beneath the cuticle.
It converts sebum into keratin within the hair shaft.
It raises the hair's natural pigment out of the cortex.
7. A cream contains oil and water that would normally separate. What is the main role of an emulsifier in the formula?
To make the product strongly alkaline
To remove all microorganisms from the product
To help the oil and water remain mixed
To convert the water into alcohol
8. From which part of the natural nail does most nail-plate growth originate?
The free edge
The matrix
The hyponychium
The nail bed
9. Which statement correctly describes an acidic solution on the pH scale?
It has a pH exactly equal to 7.
It has a pH below 7.
It has a pH above 7.
Its pH cannot be measured in water.
10. In permanent oxidative hair color, which ingredient is commonly used as the developer?
Hydrogen peroxide
Sodium chloride
Mineral oil
Distilled water alone
11. Before a scalp service, you notice an open, inflamed sore in the treatment area. What is the most appropriate response?
Postpone the service and advise the client to seek appropriate medical guidance.
Apply a cosmetic antiseptic and begin once the area feels dry.
Cover the area with a towel and modify the massage pressure.
Continue while avoiding direct contact with the center of the sore.
12. What best describes the natural nail plate?
Living muscle tissue that contracts as the nail grows
Hardened, compact keratinized cells
A layer of living pigment cells above the nail bed
Flexible collagen tissue produced by the free edge
13. Which bonds in hair are readily and temporarily disrupted by water or heat and re-form as the hair dries or cools?
Disulfide bonds
Hydrogen bonds
Peptide bonds
Covalent carbon bonds
14. A styling tool will be used near a sink. What is the purpose of a ground-fault circuit interrupter, or GFCI, on the electrical circuit?
It increases the circuit's voltage so the tool heats faster.
It prevents heat from reaching the tool's electrical cord.
It allows multiple high-power tools to share one outlet safely.
It interrupts power when it detects an electrical current imbalance.
15. During an elasticity check, damp hair stretches moderately and then returns close to its original length without breaking. What does this most strongly suggest?
The hair has extremely high porosity.
The hair contains no disulfide bonds.
The hair has relatively good elasticity.
The hair must have a coarse diameter.
16. Which layer of the hair shaft provides most of the hair's strength and contains most of its natural pigment?
The cuticle
The medulla
The follicle
The cortex