Ch. 5 Quiz 2

Hair, nails, and glands are known as?

• extracurricular structures
• accessory structures
• accessible structures
• hair, nails, and glands

Which layer of the dermis is responsible for supporting the epidermis?

• papillary layer
• reticular layer
• hypodermal layer
• Father Larry layer

Which layer of the skin serves as an energy reserve?

• dermis
• epidermis 
• hypodermis
• papillary layer

Which of the following contains the hair's capillaries and nerves?

• hair matrix
• hair papilla
• hair root
• hair shaft

The arrector pili muscle is known as a vestigial trait in humans.

• true
• false

The arrector pili muscle is also known as a vestigial trait in _______.

• dogs

• cats

• humans

• chimpanzees

A person with high concentrations of eumelanin produced at the hair folicle will produce what type of hair color?

• dark hair
• blonde hair 
• red hair
• blue hair

Sebum production increases during what stage in life?

• puberty
• menopause 
• infancy
• death

What role do phagocytes play in skin repair?

• form temporary blood clot
• clean the area of bacteria and foreign substances
• produce collagen fibers to restore the dermis
• increase in blood flow

Third degree burns destroy all layers of the skin and are most commonly caused by sun burns. 

• True
• False