Unit 2 Integumentary System Review

What characteristic or component of epidermal tissue gives it its durability and ability to prevent water loss?

• Keratin

• Adipose tissue

• Elastic fibers

• Blood vessels

Collagen gives (a)   to the skin.

Malignant melanomas are among the most deadly and serious types of skin cancer, especially when not treated early. Which epidermal cells are affected by this type of cancer?

• Keratinocytes of the stratum spinosum

• Basal cells of the stratum basale

• Melanocytes of the stratum basale

• Squamous cells in the stratum spinosum

The pleura and pericardium are examples of (a)   membranes that cover organs in a body cavity that is closed to the exterior body surface.

The most superficial layer of the epidermis is keratinized and known as the stratum (a)   .

Skin is often touching other materials (clothes, walls, backpacks, hats, etc.) and it must be able to withstand friction and the loss of the outermost layer of cells without being damaged. Which epithelial tissue type is skin most likely made of?

• Simple columnar epithelium

• Stratified squamous epithelium

• Pseudostratified cuboidal epithelium

• Simple cuboidal epithelium

Which of the following letters in the ABCD rule for recognizing melanomas is incorrect?

• asymmetry

• border irregularity

• color

• diagnosis

This type of burn involves damage to the epidermis and the upper region of the dermis and is red and blistered:

• 1st degree

• 2nd degree

• 3rd degree

• Razor burn

Each answer below lists the layers of the epidermis from the palm of a human hand. Which is the correct order from deep to superficial?

• lucidum → granulosum → corneum → basale → spinosum

• basale → spinosum → granulosum → corneum → lucidum

• corneum → lucidum → granulosum → spinosum → basale

• basale → spinosum → granulosum → lucidum → corneum

One way the dermis can be differentiated from the epidermis is that the dermis is composed of ___ instead of stratified squamous epithelium.

• Connective tissue

• Muscle tissue

• Columnar adipose tissue

• Nervous tissue