Integumentary Unit Test 2025

What layer is composed of loose, fatty connective tissue that connects the skin to muscle or bone? It also insulates and stores nutrients. The pink arrow is pointing to it in the picture below.

• Hypodermis
• Dermis
• Epidermis
• reticular layer

The sudoriferous (sweat) glands found primarily in the armpits and groin responsible for body odor are known as____________________. They contain all the traditional components of sweat PLUS fatty substances and proteins.

• apocrine glands.
• eccrine glands
• sebaceous glands
• subcutaneous glands.

What is the 2nd layer of the two main layers of the skin. It contains nerves, blood vessels, sweat glands, and hair follicles.

• Dermis
• Epidermis
• Hypodermis
• Endodermis

What is the outer layer of the two main layers of the skin?

• Dermis
• Epidermis
• Hypodermis
• Endodermis

What is the name of the layer of the epidermis that is known as the “Spiny layer”-named for the irregular shape of the cells? It is several cells thick and contains pre-keratin filaments. Letter C below in diagram

• Stratum lucidum
• Stratum corneum
• Stratum basale
• Stratum spinosum
• Stratum granulosum

Which is the correct order from the top (outer most layer) to the inner most layer of the epidermis?

• Stratum corneum, stratum spinosum, stratum granulosum, stratum basale, stratum lucidum
• Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
• Stratum corneum, stratum granulosum , stratum lucidum , stratum spinosum, stratum basale
• Stratum corneum, stratum spinosum , stratum lucidum , stratum granulosum, stratum basale

Sweat is 99% _____________________with trace amounts of salts, vitamins, wastes, and an antimicrobial peptide called dermcidin.

• water
• fats
• oil
• protein

What is the layer of the epidermis called were the cells here begin to flatten and disintegrate? They have accumulated keratin granules and are responsible for water-proofing the skin. Letter B below in diagram

• Stratum lucidum
• Stratum corneum
• Stratum basale
• Stratum spinosum
• Stratum granulosum

What is letter D pointing to on the diagram of the skin below?

• Sudoriferous gland
• hair bulb
• Hair shaft
• Hypodermis
• Epidermis

What is the name for the pocket that a strand of hair is housed in?

• follicle
• root
• shaft
• epidermis