Skin Structure and Function Quiz

Which structure in the skin is most directly responsible for regulating body temperature through heat loss?

• Hair follicles

• Sebaceous glands

• Sweat glands

• Arrector pili muscles

The stratum corneum provides protection primarily through:

• Production of melanin

• Thick layer of dead, keratinized cells

• Blood vessel dilation

• Sebaceous gland secretions

Tags

NGSS.MS-LS1-3

What are the 3 layers of skin, starting with the uppermost layer?

• Epidermis, Hypodermis, Dermis

• Dermis, Hypodermis, Epidermis

• Epidermis, Dermis, Hypodermis

• Epidermis, Dermis, Hyperdermis

The waterproof barrier function of skin is primarily provided by:

• Melanin in melanocytes

• Collagen fibers in the dermis

• Lipids between keratinocytes in the stratum corneum

• Blood vessels in the hypodermis

Why do burns represent a major threat to the body?

• They interfere with the skin’s protective functions

• They cause cancerous growths

• They always require skin grafts

• They always impact major organs of the body.

Tags

NGSS.HS-LS1-3

Which type of burns damage only the epidermis?

• First-degree

• Second-degree

• Third-degree

• Full-thickness burns

The protein that provides the skin with its tough, waterproof properties is called:

• Collagen

• Elastin

• Melanin

• Keratin

Tags

NGSS.MS-LS3-1

Which type of cell in the epidermis is responsible for detecting light touch and pressure?

• Keratinocytes

• Melanocytes

• Langerhans cells

• Merkel cells

Which of the following is the most superficial layer of the skin, acting as the primary protective barrier?

• Dermis

• Hypodermis

• Subcutaneous layer

• Epidermis

The primary function of the hypodermis is to provide:

• Strength and flexibility to the skin

• Protection from UV radiation

• Waterproof barrier

• Insulation and energy storage