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.