Quiz on Structure and Function of the Skin

What is the integumentary system composed of?

• Nervous system and brain

• Skin and accessory organs

• Bones and muscles

• Heart and blood vessels

Which of the following is NOT a function of human skin?

• Regulating body temperature

• Protecting underlying tissues

• Collecting information about the external environment

• Producing red blood cells

What is the outer layer of the skin called?

• Hypodermis

• Subcutaneous layer

• Epidermis

• Dermis

What protein fills the cells in the epidermis, making them tough and waterproof?

• Collagen

• Keratin

• Melanin

• Elastin

What is the function of melanocytes in the epidermis?

• Producing keratin

• Producing oil

• Producing sweat

• Producing melanin

Which layer of the skin contains hair follicles, glands, blood vessels, and sensory receptors?

• Epidermis

• Subcutaneous layer

• Dermis

• Hypodermis

What is the function of sebaceous glands?

• Producing oil

• Producing melanin

• Producing keratin

• Producing sweat

What causes goosebumps?

• Expansion of blood vessels

• Sweat gland activation

• Contraction of arrector pili muscles

• Production of melanin

Which glands help cool the body by producing sweat?

• Sebaceous glands

• Sweat glands

• Melanocytes

• Arrector pili muscles

What do sensory receptors in the dermis detect?

• Keratin production

• Touch, pressure, temperature, and pain

• Melanin production

• Oil secretion