Which layer of the hair shaft is the outermost protective layer made of overlapping scales?
Hair Biology Types
Question · Easy
Which layer of the hair shaft contains melanin and gives hair its color and strength?
Name for a group of fungus-caused diseases that includes ringworm, athlete's foot, and jock itch.
Scalp diseases
Guess the Term
Chapter 1: Overview & Scope of Natural Hair Styling
1.1 Candidate Logistics, Scope of Practice & State Board Licensing Rules
Study guide
According to the Andre Walker hair-type system, which type describes tightly coiled, kinky hair with a zigzag pattern?
Question · Medium
Read the clue and guess the term in 6 tries.
Game
Approximately how many hairs does a healthy scalp shed per day as part of the normal hair growth cycle?
Tiny parasitic insects that live on the head, feed on human blood, and move by crawling because they cannot hop or fly.
Which phase of the hair growth cycle is the active growing phase that can last 2-7 years?
Hair porosity refers to which property?
Egg of a head louse, about the size of a dandruff flake, found on or near the scalp.
1.2 Professional Client Consultation, Hair Analysis & Ethics
Low-porosity hair is characterized by which feature?
Swap tiles to line up three of the same term.
Term Match
Hair density refers to which characteristic?
Infection that several common antibiotics cannot cure and that can spread through close skin-to-skin contact, such as among athletes.
Hair texture is best described as:
Which structure at the base of the follicle supplies nutrients to the growing hair?
Second layer of skin, also called the corium, that contains nerve endings, sweat glands, oil glands, and hair follicles.
Hair types and structure
1.3 Exam Strategy & NIC Theory Test-Taking Techniques
Which scalp gland secretes sebum, the natural oil that lubricates hair?
Flip two cards at a time to find matching terms.
Term Pairs
What primary protein makes up the structure of hair?
Part of a hair that lies above the skin surface.
Type 3 hair in the Andre Walker classification is best described as:
Which subcategory of Type 4 hair has the tightest coil and is the most fragile?
Question · Hard
Active growth phase of the hair cycle; a hair pulled during it has an elongated root that may be covered with a root sheath.
Chapter 2: Hair Biology, Anatomy & Textured Hair Science
2.1 Hair Shaft Anatomy, Follicle Dynamics & Growth Cycle
Which factor most directly affects how quickly chemical-free conditioning products penetrate the hair shaft?
Find five hidden terms in a grid of letters.
Term Search
Catagen is best described as the:
Primary region of a hair, lying between the outer layer of overlapping scales and the central core.
Which hair-type pairing best describes typical shrinkage behavior?
Disulfide bonds in hair are primarily responsible for which property?
Alopecia ___: disease in which the immune system attacks hair follicles, usually causing hair to fall out in small, round patches.
2.2 Textured Hair Classification & Curl Typing Systems
Which technique uses three strands of hair interwoven without chemicals?
Alternative Hair Design Techniques
Box braids are typically created by:
Bacterial or fungal form that disinfectants do not necessarily inactivate but that sterilants destroy.
Bacteriology and sanitation
Senegalese twists are best described as:
Which method begins locs by twisting damp natural hair into small coils that mature over time?
Group of chemicals used as active ingredients in disinfectants and sanitizers and also as preservatives, surfactants, and antistatic agents.
2.3 Hair Properties: Porosity, Density, Elasticity & Texture
Interlocking is a loc maintenance technique that uses a tool to:
Which of the following is NOT permitted under the LA Alternative Hair Design license?
Federal regulator whose registration number is the unique identifier on a disinfectant label.
Crochet braids are installed by:
Flat twists are best described as:
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