Questions and Answers
What is the deepest layer of the epidermis, also known as the basal cell layer?
What is the layer of skin that is responsible for the growth of the epidermis?
Stratum Germinativum
Cosmetology professionals are allowed to use products that remove dead skin from the stratum corneum.
True
What layer of skin is treated by practitioners?
Signup and view all the answers
What is the fatty layer found below the dermis called?
Signup and view all the answers
What muscle causes goosebumps when a person is frightened or cold?
Signup and view all the answers
What are the tiny granules of coloring matter that provide skin with its color?
Signup and view all the answers
What are the two types of duct glands that extract materials from the blood to form new substances?
Signup and view all the answers
What percentage of the body's weight is composed of water?
Signup and view all the answers
What are the principal functions of the skin?
Signup and view all the answers
What are the three main layers of the hair shaft?
Signup and view all the answers
What type of bond is characterized as a weak, temporary side bond?
Signup and view all the answers
What is the cortex pigment that gives natural hair color?
Signup and view all the answers
What causes oily hair and scalp?
Signup and view all the answers
The average growth of healthy scalp hair is about ______ per month.
Signup and view all the answers
What condition is characterized by brittleness and nodular swellings along the hair shaft?
Signup and view all the answers
What is the medical term used to describe dandruff?
Signup and view all the answers
What is Tinea characterized by?
Signup and view all the answers
What is an infestation of the hair and scalp with head lice called?
Signup and view all the answers
What causes a carbuncle?
Signup and view all the answers
What is the type of fungal infection characterized by red papules at the hair follicle opening?
Signup and view all the answers
What is the term for dead cells that form over a wound or blemish while it is healing?
Signup and view all the answers
What is the lipophilic tail of a surfactant molecule considered to be?
Signup and view all the answers
What is the water-attracting head of the surfactant molecule called?
Signup and view all the answers
What are shampoos that help close the hair cuticle called?
Signup and view all the answers
What are shampoos containing special chemicals effective in reducing excessive dandruff called?
Signup and view all the answers
What should the hair never be brushed prior to?
Signup and view all the answers
When providing a scalp massage, what part of the hand should be used?
Signup and view all the answers
What type of brushes have bristles with tiny overlapping layers or scales?
Signup and view all the answers
During the shampoo procedure, what two aspects should the water be monitored for?
Signup and view all the answers
What type of shampoos are created by combining the surfactant base with color pigments?
Signup and view all the answers
What kind of products do not remove artificial color from the hair?
Signup and view all the answers
What type of shampoo can leave the hair dry and brittle?
Signup and view all the answers
What are characteristics associated with particular skin types referred to as?
Signup and view all the answers
What determines the size of the pores produced by sebaceous glands?
Signup and view all the answers
Study Notes
Skin Layers and Structures
- Stratum Germinativum: The deepest layer of the epidermis, responsible for skin growth.
- Stratum Corneum: The outermost layer of skin treated by practitioners.
- Subcutaneous Layer: The fatty layer located below the dermis.
- Arrector Pili Muscle: Muscle that causes goosebumps when frightened or cold.
Skin Functions and Anatomy
- Main Functions of Skin: Protection, sensation, heat regulation, excretion, secretion, and absorption.
- Melanin: Pigment located in the cortex that provides natural hair color.
Hair and Scalp Health
- Average Hair Growth Rate: Approximately 1/2 inch per month.
- Sebaceous Glands: Overactive glands can lead to oily hair and scalp issues.
- Trichorrhexis Nodosa: Condition characterized by brittleness and nodular swellings along the hair shaft.
Dandruff and Fungal Conditions
- Pityriasis: Medical term used to describe dandruff.
- Tinea: A fungal infection causing itching scales and painful circular lesions.
- Pediculosis Capitis: Infestation of the hair and scalp with head lice.
Surfactants and Shampoos
- Surfactant Molecule: Consists of a lipophilic (oil-attracting) tail and a hydrophilic (water-attracting) head.
- Acid-Balanced Shampoos: Help close hair cuticles; balanced to skin and hair pH.
- Medicated Shampoos: Contain special chemicals or drugs to reduce dandruff and treat scalp conditions.
- Nonstripping Products: Do not remove artificial color from hair.
Hair Care Practices
- Chemical Services: Avoid brushing hair prior to chemical applications.
- Scalp Massage Technique: Utilize length of fingers, fingertip balls, and palms.
- Natural Brushes: Have bristles with overlapping layers that clean and add shine to hair.
- Shampoo Procedure Monitoring: Water volume and temperature should be controlled.
Additional Terms
- Crust: Formed by dead cells over a wound or blemish during healing.
- High-pH Shampoo: Can dry hair and cause color-treated hair to fade.
- Skin Conditions: Characteristics associated with specific skin types, influenced by sebum production and pore size.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on the layers and functions of skin, hair growth, and common scalp conditions. This quiz covers essential concepts about skin health, including the role of melanin and the effects of fungal infections. Perfect for students and professionals in the beauty and health fields.
