Exam 10: Skin

Which skin pigment is a light reddish color?

The normal body temperature set point is 37° C.

Name and describe what occurs in the cells in each of the layers of the epidermis.

Keratohyalin is a protein in the stratum lucidum that will eventually be transformed into keratin in the cells of the epidermis.

Match each term with its definition or description. -Most important cell in the epidermis; makes up about 90% of it

Prolonged exposure to the sun causes melanocytes to:

Match each layer of the epidermis with its corresponding characteristics. -Contains cells rich in ribonucleic acid and has prominent intercellular bridges or desmosomes

Darkening of the skin may be caused by a decrease in the secretion of adrenocorticotropic hormone.

The waxy secretion in the external ear canal is:

Eccrine glands are the more numerous of the sweat glands.

The reticular layer of the dermis serves as an attachment point for both smooth and skeletal muscles.

Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum:

Match each term with its description or definition. -Transfer of heat from one surface to another because of contact with each other

Dendritic cells develop in the dermis of the skin but migrate to the epidermis of the skin to function.

In a cool environment, conduction accounts for most of the heat loss of the body.

Match each term with its definition or description. -Darkest of the melanin pigments

Match each term with its definition or description. -Dermis layer made of dense white collagen fibers

The surface film that aids in the protective function of the skin is remarkably consistent from one part of the skin to another.

Turnover time for epidermal tissue can be accelerated by injury.

Lanugo is the technical term used for adult body hair.