Integumentary System

The functions of the skin include all of these except __________________.

• taking in nutrients

• preventing the entry of microorganisms

• retarding water loss

• regulating body temperature

The protective dead layer of cells of the outer epidermis is called the _______________.

• stratum corneum

• stratum granulosum

• stratum spinosum

• stratum basale

Melanocytes lie within the _________________ of the skin.

• stratum corneum and top layers

• deepest dermis

• stratum spinosum and stratum lucidum

• stratum basale and upper dermis

Adipose tissue is most abundant in the ________________ layer of the skin.

• epidermal

• dermal

• subcutaneous

• transdermal

Hairs arise from which layer of the skin?

• dermis

• stratum basale of the epidermis

• subcutaneous layer

• connective tissue

Heat loss occurs from the body by each of these methods except __________________.

• evaporation

• convection

• cellular respiration

• radiation

Which statement is true about tans and tanning?

• Sunning for the purpose of tanning produces healthier skin.

• A tan indicates sun damage to the skin.

• Tans last even if the skin is not exposed to the sun for months.

• Tanning promotes skin with a more youthful appearance.

A(n) _________________ is the transplanting of one's own skin from an unburned region of the body to a burned area.

• autograft

• homograft

• holograft

• zenograft

What is one important function for melanin?

• cause the skin to be cooler

• increase the amount of blood vessels

• strengthen the skin or eyes

• absorb harmful radiation

The pigment _____ found in vegetables can impart a yellow or orange color to the skin.

• melanin

• retinene

• carotene

• bilirubin