Integumentary System Test

Front

What is the primary protein found in hair and nails?

Back

Keratin.

Front

Which layer of the epidermis is responsible for cell division?

Back

Stratum basale.

Front

What is required if the epidermis cannot regenerate after a burn?

Back

A skin graft.

Front

How does UV radiation affect skin cells?

Back

It damages DNA and increases the risk of skin cancer.

Front

What causes the unique patterns of fingerprints?

Back

A layer of dermal papillae.

Front

What is the outermost layer of the skin called?

Back

Epidermis.

Front

What is the function of melanocytes in the skin?

Back

To produce melanin, which gives skin its color.

Front

What is the role of the dermis in the integumentary system?

Back

It provides strength and elasticity to the skin.

Front

What are the two main layers of the skin?

Back

Epidermis and dermis.

Front

What is the hypodermis?

Back

The layer of fat and connective tissue beneath the dermis.