Ch 7: Skin Structure, Growth, and Nutrition Flashcards
A physician who specializes in diseases and disorders of the skin, hair, and nails is _____.
a dermatologist
Healthy skin has _____ texture and is smooth.
a fine-grained
Appendages of the skin include hair, nails, and sudoriferous and _____ glands.
sebaceous
Which of the following correctly identifies the layers of skin and fat from the outermost layer to the innermost layer?
Epidermis, dermis, subcutaneous
As cells die they are pushed to the surface to replace dead cells are shed from the _____.
stratum corneum
The layer directly beneath the epidermis is the _____.
papillary layer
Which type of tissue gives smoothness and contour to the body, contains fats for use as energy, and also acts as a protective cushion for the skin?
Subcutaneous tissue
Which nerve fibers are distributed to the arrector pili muscles attached to the hair follicles?
Motor nerve fibers
Nerves that regulate the excretion of perspiration from the sudoriferous glands and control the flow of sebum to the surface of the skin are _____.
secretory nerve fibers
_____ fibers react to heat, cold, touch, pressure, and pain.
Sensory nerve
The amount and type of pigment produced in an individual is determined by his or her _____.
genes
Skin gets its strength, form, and flexibility from _____.
collagen and elastin
The sudoriferous glands excrete perspiration, detoxify the body, and _____.
regulate body temperature
To keep your body healthy, you must be sure that what you eat helps to _____.
regulate the overall function of your cells
Which vitamin aids in and accelerates the skin’s healing process and is vitally important in fighting the aging process?
Vitamin C
The epidermis is the _____ layer of the skin.
thinnest
The scalp has larger and deeper _____ than the skin on the rest of the body.
hair follicles
During excretion, perspiration from the _____ glands is excreted through the skin.
sudoriferous
One of the best ways to follow a healthy diet is to read _____.
food labels
Emotional stress and hormone imbalances can increase the flow of _____.
sebum
The nutrient needed for energy to run every function within the body is _____.
carbohydrates
The USDA recommends that people eat _____.
moderate amounts of salt and sugar
Vitamins are considered ______.
nutritional supplements
Water makes up _____ percent of the body’s weight and is necessary for virtually every function of the cells and body.
50-70
Lack of water is the principle cause of _____.
daytime fatigue
Small, cone-shaped elevations at the base of the hair follicles are _____.
dermal papillae
The layer of the epidermis where the process of skin cell shedding begins is the _____.
stratum spinosum
The coiled base of the sudoriferous gland is known as the _____.
secretory coil
A small elevation on the skin that contains no fluid but may develop pus is a _____.
papule
Fatty tissue found below the dermis is _____ tissue.
subcutaneous
A raised, inflamed papule with a white or yellow center containing pus in the top of the lesion is a _____.
pustule
The outer layer of the epidermis is the _____ layer.
stratum corneum
The clear, transparent layer of the epidermis under the stratum corneum is the _____.
stratum lucidium
A fatty or oily secretion that lubricates the skin and preserves the softness of the hair is _____.
sebum
The layer of the epidermis also known as the basal cell layer is the _____.
stratum germinativum
