chapter 3 review Flashcards
What is one reason it is important for cosmetologists to understand the structure and function of skin?
Cosmetologists will be able to give their clients the best beauty advice.
The outermost and thinnest layer of the skin is the _________.
Epidermis
What is the function of the stratum corneum?
It protects the tissue beneath it from infection, dehydration, and other possible negative effects.
Which layer of the dermis connects the dermis to the epidermis?
dermal/epidermal junction
Nerve fibers that convey impulses form the spinal cord to muscles or glands are called _______ nerve fibers.
motor
The tiny grains of pigment deposited into cells of the epidermis and dermis are called _______.
melanin
A person with very fair skin has less activity in the _________.
melanocytes
What does a broad-spectrum sunscreen do?
It protects the skin from both UVA and UVB radiation from the sun.
Which sentence is the best way to explain how a person’s skin color is determined?
It is determined by a combination of internal factors, such as. melanin produced, and external factors, such as sun exposure.
You client has rosy skin and red hair. What explains this hair color and skin pigment?
The client has a pheomelanin dominance.
Both collagen and elastin are mostly composed of _______.
protein
What do healthy collagen fibers allow the skin to do?
They allow the skin to stretch and contract.
What causes elastin and collagen to weaken over time?
gravity
What is the primary difference between collagen and elastin when it comes to the function of each one?
Collagen gives skin its form , whereas elastin allows skin to be flexible?
You client works daily in the sun and has noticed some changes to the skin. The client asks for your advice for protecting the skin and avoiding any long term skin damage. What advice would you give?
The client should wear a broad-spectrum sunscreen and moisturize daily.
