Integumentary System Amoeba Sisters

The functions of the skin include all of these except:

• taking in nutrients

• Reducing water loss

• preventing the entry of microorganisms

• regulating body temperature

The protective dead layer of cells of the outer epidermis is called the:

• stratum spinosum

• stratum granulosum

• stratum corneum

• 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 under the skin.

• epidermal

• dermal

• subcutaneous

• transdermal

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 strength of the dermis would mainly be due to _____.

• the amount of blood vessels

• the distribution of elastic fibers

• the presence of collagen fibers

• the thickness of the layers

The term goose bumps is directly related to the contraction of which structures?

• hair follicles

• erector pili

• sebaceous glands

• lunula

It is the body's __________________ glands that secretes an oily liquid that naturally moisturizes the skin.

• sweat gland

• eccrine

• sebaceous gland

• apocrine