Layers
What is true about the epidermis
It’s the outermost layer
Why is UVB radiation also known as “burning rays”?
UVB wavelengths cause burning of the skin as well as cancer
What are the two types of sudoriforous glands?
Apocrine and Eccrine
Which nerves convey impulses from the brain or spinal cord to the muscles or glands?
motor
What is an esthetician primary focus?
Preserve protect and nourish the skin
What does scar tissue lack
Hair and sweat glands
_____ are the basic material and building blocks of the body’s tissues.
Proteins
What are the glands that excrete perspiration, regulate body temperature, and detoxify the body?
sudoriferous
What causes injured skin to restore itself to its normal thickness?
hyperproduction of cells
Why should Estheticians have a thorough understanding of the physiology and histology of the skin?
Estheticians should study and have a thorough understanding of the physiology and histology of the skin because: The complexity of the skin is astonishing. The layers, components, and functions all work with other body systems to protect and regulate the skin and other parts of the body. The study of skin physiology and histology includes learning about the aging process as well as interpreting the effects of ultraviolet (UV) damage, hormonal influences, and nutrition on skin health. Each of these factors affect the skin’s health and appearance. There is much to study about the body’s largest organ and how to best maintain its optimum health and with a deeper understanding, the skin therapist can confidently treat this sophisticated system.
What happens in the stratum germinativium?
Cells divide
What are corneocytes?
hardened keratinocytes
What function do the sudoriferous glands perform?
excrete perspiration, regulate body temperature, and detoxify the body
Where in the body are the coiled structures known as apocrine glands found?
underarm and genital areas
What is not an element of the skin’s acid mantle?
blood
What causes transepidermal water loss?
Evaporation
What protein fiber is found in the dermis and gives skin its flexibility and firmness?
elastin
What function do sebaceous glands perform?
protect the surface of the skin
What are ceramides?
glycolipid materials
How is B-keratin different from A-keratin?
It has lower moisture and fat than A-keratin.
What is true of the stratum corneum?
It is the outermost layer of the skin.
What hormone stimulates cells to reproduce and heal?
Epidermal growth factor(EGF)
What is the result of the contraction of the arrector pili muscle
Goose bumps
If a person has a purple or bluish tone under their fingernails, then they likely have which condition?
cyanosis
What is glycation
The binding of a protein molecule to glucose molecule