Integumentary System

Multiple Choice

Which of the following is a function of melanin in the epidermis?

• It protects from UV radiation

• It produces new epithelial cells

• It provides blood supply to the skin

• It constantly sheds dead cells

Open Ended

Compare the functions of the dermis and the subcutaneous layer. How do their roles contribute to overall skin health?

Multiple Choice

Which layer of the skin is responsible for connecting the skin to underlying muscle and providing insulation?

• Epidermis

• Dermis

• Subcutaneous layer

• Stratum basale

Multiple Select

Which of the following structures are found in the dermis?

• Hair follicles

• Sweat glands

• Blood vessels

• All of the above

Fill in the Blank

Keratin is found in the ___ of the skin.

Multiple Choice

What accessory structures help protect the skin and give it more functions?

• Sebaceous oil glands, sweat glands, hair, nails

• Sweat glands, hair, blood vessels, nerves

• Sebaceous oil glands, stratum basale, nails, arteries

• Hair, nails, dermis, adipose tissue

Fill in the Blank

The part of the nail responsible for growth is the ___ matrix.

Multiple Select

Select all functions of sweat (sudoriferous) glands.

• Release perspiration to cool the body

• Eliminate some soluble wastes

• Lubricate skin and hair

• Stimulate secretion of sebum

Multiple Choice

Which gland is responsible for secreting sebum that lubricates skin and hair?

• Sebaceous gland

• Sweat gland

• Salivary gland

• Endocrine gland

Multiple Choice

Which structure is NOT part of the hair follicle?

• Shaft

• Root

• Plate

• Follicle

Open Ended

Explain how hair and nails contribute to the protection of the body.

Multiple Select

Which of the following are functions of the integumentary system?

• Protection against infection

• Regulation of body temperature

• Digestion of food

• Collection of sensory information

Multiple Choice

Which of the following is NOT a way the skin protects against infection?

• Shedding removes pathogens.

• Interlocking pattern resists penetration.

• Absorption of medications.

• Protects against bacterial toxins.

Multiple Select

Which of the following are ways the skin helps prevent dehydration?

• Keratin in the epidermis

• Constriction of blood vessels

• Sebum release from sebaceous glands

• Shedding of pathogens

Open Ended

Explain how the skin helps regulate body temperature through changes in blood vessels and perspiration.

Fill in the Blank

The touch receptors in the skin are known as ___ corpuscles.

Multiple Choice

Which of the following is a function of the skin related to excretion?

• Absorption of medications

• Excretion of electrolytes in sweat

• Regulation of body temperature

• Production of melanin

Multiple Choice

Which pigment is primarily responsible for the brown color of skin?

• Hemoglobin

• Carotene

• Melanin

• Bile pigment

Open Ended

After learning about the epidermis, what is one question you still have or something you would like to know more about regarding the integumentary system?

Multiple Choice

What are the main functions of the epidermis?

• Protection from wear and tear, injury, and harmful substances; melanin protects from UV radiation

• Production of sweat and oil

• Regulation of body temperature

• Storage of fat