Chapter 3 : Skin Structure and Growth

Cosmetologist should have a thorough understanding of skin structure and growth Because

Knowing the skin’s underlying structure in these is critical to provide excellent skin care for Clients

A physician who specializes in diseases and disorders of seeing hair and nails is known as a

Dermatologist

is a medical branch of science that deals with the study of the skin and its nature structure function disease and treatment

Dermatology

The is the outer most Anthonys layer of skin is made up of five layers stratum corneum, stratum lucidum,stratum granulosum,stratum spinosum ,and

stratum Germinative

Epidermidis

Which of the following roles does the barrier function play in the skin

it keeps the skin moist by preventing water evaporation

is the fibrous protein that is almost the principal component of skin hair and nails

Keratin

Which of the following statements is true of the dermis

it’s the skin’s underlying layer and extends from the subcutaneous tissue

The is deeper than the dermis that supplies the skins with oxygen and Nutrients

Reticular layer

Which of the following is a function of subcutaneous tissue

It gives the body smoothness in contour

exclusively transmit impulses from the brain or spinal cord to muscles or glands

Motor nerve fibers

Which of the following statement is true for secretory nerve fibers

They control the flow of sebum to the surface of the skin

Which of the following nerve fiber send messages to the central nervous system and bring to react to heat, cold, touch, pressure, pain

secretory nerve fibers

Skin color-weather fair, medium, dark -depends primarily on

Melanin

Blank refers to the tiny grains of pigment deposited into cells in the stratum germinativum layer of epidermal is in Papillary layers of the dermis

Melanin

Different in genetic skin color among people are due to

The amount of melanin active in the skin and the way it is distributed

Which of the following is a function of Melanie

it protects skin cells by absorbing and blocking ultraviolet radiation

Daily use of broad- Spectrum sunscreen with some protection factor SPF of 15 or higher can

Help the melanin protect the skin from burning, skin cancer, premature aging

Blank is a type of melanin that is in red to yellow in color

Pheomelanin

Which of the following is a type of melanin and that is dark brown to black in color

eumelanin

The skin gets its strength , form, and flexibility from two protein fibers found in the

dermis

Blank is a fibrous, collective tissue made up of proteins that gives the skin form and strength

Collagen

Identify the factors of we can weakens collagen

Age

Which of the following statements is true of elastin

It gives the skin its flexibility and elasticity

Which of the following action is most likely to slow and we can collagen elastin fibers and help the skin look younger longer

Keeping the skin free of disease

Excrete perspiration and detox the body by excreting excess salt and unwanted salt

Sudoriferous gl

What does the following statements is true of Sudoriferous glands

They consist of a secretory coil and a tube like sweat duck at the end and the skins surface to form a sweat pore

Glands that are connected to to the hair follicles and create sebum called

sebaceous glands

Which of the following is a fatty or oily secretion that lubricates the skin and preserve the softness hair

Sebum

Which of the following is one of the six principles of this skin

Sensation

The is a protective they are made up of Sebum lipids, sweat, and water the forms a hydrolipidic film to protect the skin from drying out from exposure to external factors that could damage it

Acid mantle

When the environmental temperature changes and the skins blood and sudoriferous glands Make necessary adjustments to help cool down the body by evaporation of sweat, the skin is Wells likely to form the function of

heat regulation

Prespiration from the sudoriferous glands is expelled through the skin. Which of the following functions of the skin this information most closely related to

Excretion

Which of the following factors is mostly increase the follow of sebum

Emotional stress and hormonal inbalance