Chapter 5

The major part of the hypodermis is made up of adipose, which serves as an efficient ______.

Shock absorber

What is the layer of dead squamous epithelial cells that is constantly undergoing desquamation?

Stratum corneum

Which stratum contains many layers of dead squamous cells?

Stratum corneum

The cells in which layer contain many granules of keratinohyaline in their cytoplasm?

Stratum granulosum

Which layer is found only in thick skin?

Stratum lucidum

The cells in which layer flatten as they are pushed to the surface?

Stratum spinosum

What is responsible for most of the skin's structural strength?

Dermis

Unexplained hair-loss that can happen at any time is called ______

Alopecia

Which muscle attached to the hair follicle cases goose bumps?

Arrector pili

What gland is a modified subdoriferous gland that secretes wax?

Ceruminous

What is the first threat to life from a massive third degree burn?

Dehydration

What is the layer of epithelium that covers the skin called?

Epidermis

What make up most of the cells of the epidermis?

Keratinocytes

What cells are found in the skin and function in immunity?

Langerhan's

Which of the following is a correct statement about skin cancer?

Melanomas are rare, but must be removed quickly to prevent them from metastisizing

What do skin glands not include?

Salivary glands

Acne is a disorder associated with ______

Sebaceous glands

Protection against unltraviolet radiation of the sun is associated with which part of the body?

Skin

If a needle pierced the forearm, what is the third epidermal layer it would pass through?

Spinosum

In which layer is there the greatest amount of mitotic activity?

Stratum basale

The dermis has two major layers. Which of the following constitutes 80% of the dermis, and is responsible for the tension lines in the skin?

The reticular layer

True of False: The organ known as skin has metabolic functions.

True

What vitamin is synthesized in the skin?

Vitamin D

Nutrients reach the surface of the epidermis through the process of:

diffusing through the tissue fluid from blood vessels in the dermis

The epidermis is responsible for protecting the body against invasion of bacteria and other foreign agents primarily because it is composed of:

four different cell shapes found in five distinct layers, each cell shape with a special function