Integumentary System Test

Front

What are the layers of the epidermis in order from top to bottom?

Back

1. Stratum corneum 2. Stratum lucidum 3. Stratum granulosum 4. Stratum spinosum 5. Stratum basale

Front

What is the waterproofing protein that fills the cells in the upper layers of the epidermis?

Back

Keratin

Front

What type of cells do squamous cell carcinomas affect?

Back

Basal cells of the stratum basale

Front

What muscle causes goosebumps when it contracts?

Back

Arrector pili

Front

What type of cell produces a dark brown pigment in the skin?

Back

Melanocytes

Front

What is the primary function of the epidermis?

Back

To provide a protective barrier against environmental hazards.

Front

What is the role of keratin in the skin?

Back

Keratin provides strength and waterproofing to the skin.

Front

What are the main types of skin cancer?

Back

Basal cell carcinoma, squamous cell carcinoma, and melanoma.

Front

What is the function of melanocytes in the skin?

Back

Melanocytes produce melanin, which gives skin its color and protects against UV radiation.

Front

What is the significance of the stratum basale?

Back

It is the deepest layer of the epidermis where new skin cells are generated.