TEST - Understanding Skin Structure and Function

What is the primary function of epithelial tissue in the skin?

• Enables movement

• Covers surfaces

• Stores fat

• Produces melanin

Which protein found in the epidermis helps to waterproof and protect the skin?

• Collagen

• Elastin

• Keratin

• Melanin

Describe the role of melanin in the skin.

• It waterproofs the skin.

• It protects against UV rays.

• It stores energy.

• It enables movement.

What structures are contained within the dermis layer of the skin?

• Only epithelial cells

• Nerve cells, muscle fibers, sweat glands, oil glands, and hair follicles

• Only fat cells

• Only keratin and melanin

Explain how the subcutaneous layer helps in temperature regulation.

• It produces sweat to cool the body.

• It stores fat for energy and insulation.

• It contains hair follicles.

• It produces melanin.

How do sebaceous glands contribute to the health of hair and skin?

• By producing sweat

• By producing oil to lubricate

• By producing melanin

• By storing fat

What happens to the skin when the body is too hot?

• Muscles contract causing goosebumps.

• The skin sweats, and evaporation cools the body.

• The skin produces more melanin.

• The skin becomes thicker.

Discuss the process by which the skin produces Vitamin D.

• By storing fat

• By responding to UV light

• By producing sweat

• By producing melanin

What distinguishes a second-degree burn from a first-degree burn?

• Second-degree burns only affect the epidermis.

• Second-degree burns damage both the epidermis and dermis, causing blisters.

• Second-degree burns affect muscle tissue.

• Second-degree burns do not cause any pain.

How does the skin act as a barrier to protect the body from microorganisms?

• By producing sweat

• By preventing microorganisms from entering the body

• By storing fat

• By producing melanin