Exam 5: The Integumentary System

Following a burn, charring and insensitivity to pain was found over the entire surface of the right lower limb, entire surface of right trunk and anterior surface of the right upper limb. Approximately what percent of the body surface had burns and how would you classify the burn?

The deepest layer of the skin is called the hypodermis.

The cutaneous plexus is located in the epidermis and supplies cells of the epidermis and upper dermis with blood.

As keratinocytes move to the surface

Describe the damage of first, second, and third degree burns.

B is pointing to what structure?

Acne is an inflammation of sebaceous glands.

The greatest amount of keratin is found where?

A callus is a thickening of the dermis caused by excessive friction.

What word does the letter "B" stand for in the American Cancer Society's ABCD guidelines for detecting malignant melanoma?

The concentric layers of a hair from external to internal are _____, _____, and _____.

Lipids released by _____ granules of keratinocytes are responsible for reducing the passage of water through the skin.

Contraction of the _____ cause(s) "goose bumps."

Orientation of which dermal fibers is responsible for "lines of cleavage" (tension lines) seen in the skin?

Name the specialized receptor indicated by D.

Which of the following statements is true?

Explain how wrinkles result as a normal consequence of aging.

Which of the following is characteristic of the growth of a scalp hair?

C is pointing to what structure?

Describe the changes that occur in skin with age.