Exam 5: The Integumentary System

Which of the following is FALSE regarding epidermal wound healing?

This epidermal cell has a role in immunity and disease resistance.

Thick skin ___.

In the diagram, where is the reticular region of the dermis?

In the diagram, where is the cuticle of the hair?

The stratum lucidum ___.

Constant exposure of skin to friction, a mechanical stress, stimulates the formation of a callus. Which one of these layers is thickened in a callus?

This layer is composed of keratinized stratified squamous epithelium.

Describe how an arrector pili muscle works.

This type of gland is a coiled tubular gland found almost throughout most of the skin of the body.

Which of these cells are the least numerous of the epidermal cells and exist in the deepest layer where they are in contact with the flattened process of a sensory neuron?

This secretion is a mixture of triglycerides, cholesterol, proteins and inorganic salts.

Basal stem cells are stimulated to divide and replace the stratum basale cells that migrate into the site of a wound. What is the name of the hormone that stimulates these cells to divide?

Briefly describe the steps in deep wound healing.

Compare and contrast the locations and structure of thin and thick skin.

A bluish tinge to the skin indicates ___.

Which of these glands produces a waxy secretion that slows the entrance of foreign material into the external auditory canal and prevents microbes from entering cells?

In the figure, where is the nail root?

The ___ layer of the dermis is composed of dense irregular connective tissue.

Light-skinned people have a translucent epidermis that ranges in color from pink to red depending on the amount of oxygen being carried by ___, a pigment in red blood cells.