Integumentary System Crash Course p1

Which of these are main functions of the skin?

• Synthesizing vitamin D

• All of the above

• Maintaining balance of fluids

• Protecting against infection

Which layer of the skin contains the most cells called keratinocytes?

• Epidermis

• Dermis

• Subcutis

• None of the above

What is the role of melanocytes in the skin?

• Regulating body temperature

• Synthesizing melanin

• Protecting against infection

• Maintaining balance of fluids

Which layer of the skin is responsible for touch sensation?

• Epidermis

• None of the above

• Dermis

• Subcutis

What is the outermost layer of the epidermis called?

• Stratum granulosum

• Stratum lucidum

• Stratum spinosum

• Stratum corneum

Which layer of the skin contains collagen and elastin fibers?

• None of the above

• Epidermis

• Dermis

• Subcutis

What is the function of the hypodermis?

• Energy storage

• Insulation

• All of the above

• Shock absorption

What can happen if the dermis is damaged?

• All of the above

• Impaired immune response

• Pain

• Bleeding

What is the role of Langerhans cells in the skin?

• Producing sweat

• Regulating body temperature

• Ingesting unwanted invaders

• Synthesizing melanin

What can UV radiation from the sun do to the skin?

• All of the above

• Depress the immune system

• Alter skin cells' DNA

• Damage elastic fibers

Tags

NGSS.HS-PS4-3