Integumentary System Review

Front

What is the stratum lucidum?

Back

The stratum lucidum is a thin, clear layer of dead skin cells found only in thick skin areas, such as the palms of the hands and soles of the feet.

Front

What is the primary function of hair and nails?

Back

Both hair and nails primarily serve protective functions for the skin and are made of keratin.

Front

What is NOT a function of the skin?

Back

Production of vitamins is not a function of the skin; it primarily provides sensation, excretion of waste, and secretion of hormones.

Front

What is the correct order of skin layers from superficial to deep?

Back

The correct order is epidermis, dermis, hypodermis.

Front

Which epidermal layer is responsible for cell division?

Back

The stratum basale is the epidermal layer where cells are constantly dividing.

Front

What is the role of the epidermis?

Back

The epidermis serves as the outermost protective layer of the skin, providing a barrier against environmental hazards.

Front

What is keratin?

Back

Keratin is a fibrous protein that makes up the structure of hair, nails, and the outer layer of skin.

Front

What is the dermis?

Back

The dermis is the layer of skin beneath the epidermis that contains connective tissue, blood vessels, and nerve endings.

Front

What is the hypodermis?

Back

The hypodermis, or subcutaneous layer, is the deepest layer of skin that contains fat and connective tissue, providing insulation and cushioning.

Front

What are cuticles?

Back

Cuticles are the thin layers of skin at the base of nails that protect the area between the skin and the nail.