A&P
Exposure of the skin to ultraviolet light
can slowly increase melanocyte activity
The skin is also called the ________ membrane.
cutaneous
The two major components of the integument are
cutaneous membrane and accessory structures
Shafts of hair are comprised of
dead, keratinized epidermal cells
A ceruminous gland that is over productive would produce an excessive amount of
earwax
Hair is formed by the repeated divisions of epithelial stem cells in which structure?
hair matrix
The lipid in oil glands is released through which type of secretion?
holocrine
When the arrector pili muscles contract,
"goose bumps" are formed
Melanin serves to protect cells in the deeper layers of the epidermis from _
ultraviolet radiation
Another term for sweat glands is
sudoriferous glands
Melanin serves to protect cells in the deeper layers of the epidermis from ________.
ultraviolet radiation
Short term paling of the skin occurs with
vaso
Epidermal cells synthesize this vitamin when exposed to sunlight
d3
Which type of burn appears inflamed and feels tender but has no blisters?
first degree
A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as
first degree burn
cells of epithelium and connective tissue undergo cell division to replace lost or damaged tissue
stem
Which is NOT a component of sweat ?
Ammonia
Vitamin D3 is essestinal for
Calcium and Phosphorus absorption in the small intestine.
What is the function of mammary glands ?
Secrete milk to nourish an infant (lactant)
Sweat glands that communicate with hair follicles in the armpits (axillary region) and produce an odorous secretion are
apocrine
Which of the following conditions is the most common form of skin cancer?
basal cell carcinoma
Blood vessels are located in the
dermis
Epidermal cells are supplied with nutrients from blood vessels in the
dermis
The protein that contributes to many of the skin's protective qualities is called __________.
keratin
Aging results in gray or white hair because
less pigment production
Thick skin can be found on the
palms
merocrine sweat glands
respond primarily to elevated body temperature
Which of the following glands are sensitive to hormonal changes, causing acne in many people going through puberty.
sebaceous
The two types of exocrine glands in the skin are
sebaceous and sweat glands
.A small amount of ultraviolet radiation is beneficial because it ___________.
stimulates vitamin D3 synthesis in the epidermis
The type of burn that injures the hypodermis, deeper tissues, and organs is a(n)
third degree burn
Glands that are located in the passageway of the external ear are called ________ glands.
Ceruminous
Which of the following is a plausible reason for increased infections due to a break in the intgument system, as the skin ages ?
Decrease amount of macrophages residing in the skin
Which is the most logical reason for an elderly person's higher potential to be prone to skin infections, compared to a younger person?
Stem cell activity in the epidermis declines in the elderly.
