Exam 5: The Integumentary System

Projections of loose connective tissue from the dermis, which extend upward between the adjacent ridges of the epidermis, are called

Choose the correct order of the cell layers, or strata, in a section of thick skin, from the basement membrane toward the free surface (deep to superficial). 1. stratum lucidum 2) stratum basale 3) stratum corneum 4) stratum granulosum 5) stratum spinosum

You fell on the concrete walkway and scraped your leg against the solid surface, which created a two-inch by three-inch area that is not bleeding. This would be called a(n)

Melanin serves to protect cells in the deeper layers of the epidermis from

The epidermal layer whose cells have stopped dividing and started to produce large amounts of keratin is the

A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as

Epidermal cells synthesize this vitamin when exposed to sunlight.

Drugs suspended in ________ or ________ can be carried across the plasma membranes of the epidermal cells.

Figure 5-4 Glands and Associated Structures Use Figure 5-4 to answer the following questions: -Structure D is a(n)

The dermis is composed largely of

The structure composed of stratified squamous epithelium is

The skin is also called the ________ membrane.

Exposure of the skin to ultraviolet light

The subcutaneous layer consists of

As cells are pushed from the deeper portion of the epidermis toward the surface,

The function of the arrector pili is

Photo Credit: Robert B. Tallitsch Figure 5-2 The Strata of the Epidermis in Thick Skin Use Figure 5-2 to answer the following questions: -The layer marked A is the

Where is keratin concentration the highest?

Functions of the skin include

The hair papilla, structure A, consists of