Exam 10: Skin

Match each term with its description or definition. -Gland that forms the brown waxy material used to protect the ear canal

Which of the following is not true of the body's ability to regulate heat loss?

Name and describe the pigments in the skin. Which pigment is more protective against ultraviolet radiation?

The most numerous, important, and widespread sweat glands in the body are:

In the healing of a wound, fibroblasts in the dermis quickly reproduce and begin forming a dense mass of new connective tissue fibers.

Which of the following is not true of the dermal-epidermal junction?

Melanocytes are sometimes called Langerhans cells.

Which skin layer is called the barrier area?

Match each term with its definition or description. -Pigment that produces a red-orange color

Match each layer of the epidermis with its corresponding characteristics. -A single layer of columnar cells that undergo mitosis

Although the ducts of the eccrine sweat glands come through the epidermis, the actual secretory portion is located in the dermis.

In the skin, the dermis:

High levels of lysosomal enzymes are found in the cells of the stratum granulosum layer.

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

Jaundice can occur because of a very high concentration of vitamin A in the skin.

The surface film found on the skin has a variety of functions, including:

The cells at the surface of the skin are dead.

In order for proper growth and repair of the skin to occur, both insulinlike growth factor and vitamin D must be present in the correct amounts.

Smooth muscles that produce goose pimples when they contract are the _____ muscles.

Toenails and fingernails grow at the rate of about 0.5 mm a week, but they grow faster in the winter than they do in the summer.