Layers
The layer of skin that we see and is treated by the practitioner is the:
stratum corneum
Which type of tissue gives smoothness and contour to the body and provides a protective cushion?
Subcutaneous tissue
The fibrous protein that gives skin its flexibility and helps skin regain its shape after being expanded is:
elastin
The largest organ of the human body is the:
Skin
The medical branch of science that deals with the study of the skin, its functions and diseases, is:
dermatology
The layer of the epidermis that is composed of cells filled with keratin is the _____.
stratum granulosum
Cells that are almost dead and pushed to the surface to replace cells are shed from the _____
stratum corneum
The melanin produced by the body that is red to yellow in color is:
pheomelanin
Water is the number one nutrient of the body and composes what percentage of the body’s weight?
50 to 70 percent
Which type of nerve fibers carry impulses from the brain to the muscles?
motor
The clear, transparent layer just under the stratum corneum that consists of small cells through which light can pass is the:
stratum lucidum
The layer of the epidermis also known as the basal cell layer is the _____.
stratum germinativum
Oil glands that are connected to hair follicles are also called?
sebaceous glands
When sebum hardens and the sebaceous duct becomes clogged, the pore impaction that is formed is a:
comedo
Skin gets its strength, form, and flexibility from _____.
collagen and elastin
What is the correct order of the layers of skin and fat from the outermost layer to the innermost layer?
Epidermis, dermis, subcutaneous
The layer of the epidermis where the process of skin-cell shedding begins is the _____.
stratum spinosum
Produce the dark skin pigment called
melanocytes
The surface of healthy skin is slightly
Acidic
Which of the following is a function of the skin?
a. sensation
c. heat regulation
b. excretion
All answers are correct.
The top of the papillary layer where it joins the epidermis is the:
epidermal–dermal junction
The outermost and thinnest layer of the skin is the:
epidermis
Fibrous protein that gives the skin form and strength
collagen
Which vitamin enables the body to properly absorb and use calcium?
vitamin D
The muscle that causes goose bumps when a person is frightened or cold is the:
Arrector pili muscle