Sanitation, Disinfection, and Safety
Hair Properties and Chemistry
Haircoloring and Styling
Skin and Scalp
Anatomy and Nails
100

What is the highest level of decontamination used in a salon setting?

 Disinfection (Sterilization is higher but typically reserved for medical facilities).

100

What is the pH range of a permanent wave solution that is alkaline?

9.0 - 9.6

100

What are the three primary colors?

  •  Red, yellow, and blue.
100

What is the technical term for the study of skin, its nature, structure, functions, and diseases?


  • Dermatology
100

What is the largest organ of the human body?

The Skin

200

Which agency is responsible for regulating and enforcing safety and health standards in the workplace?

 OSHA (Occupational Safety and Health Administration).

200

What are the three layers of the hair shaft 

Cuticle, cortex, and medulla.

200

Which color is used to neutralize unwanted orange tones in the hair?

  • Blue (its complementary color).
200

Which skin disorder is characterized by chronic inflammation of the sebaceous glands?

Acne 

200

What is the technical term for the nail bed?

  • The matrix (where the nail plate is formed).
300

What must you do with a porous item, such as a neck strip or cotton ball, after it has been used on a client?

  •  Discard it immediately; porous items cannot be disinfected.
300

In which layer of the hair do chemical changes (like coloring or perming) take place?

Cortex

300

What is a "patch test" (predisposition test) and when should it be given?


  •  test to check for allergies; it should be given 24 to 48 hours before an aniline derivative tint.
300

What is the technical term for "brittle nails"?

  • Onychorrhexis
300
  1. Which muscle allows you to rotate your head?

The Sternocleidomastoideus.

400

How often should a disinfectant soak solution be changed?

  • Daily, or sooner if it becomes cloudy or contaminated.
400

What is the chemical term for the "bonds" that are broken during a permanent wave service?

Disulfide bonds

400

What is the stationary part of a pin curl called?

The base

400

What should you do if a client has an open infectious sore or scalp disease?

  • Refuse the service and refer them to a physician.
400

How many bones are found in the human face?

14

500

What is the first step you should take if a blood spill occurs during a service?

Stop the service immediately.

500

What does the "porosity" of the hair refer to?

The hair's ability to absorb moisture

500

What is the purpose of a "filler" in haircoloring?

  • To equalize porosity and deposit a base color in one application.
500

What is the pH of healthy hair, skin, and nails?

4.5 - 5.5

500

What is the technical term for the white, half-moon shape at the base of the nail?

The Lunula 

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