Integumentary System

"Which important protein is makes the epidermis tough, impermeable and waterproof?

• collagen

• hemoglobin

• keratin

• epdermis

The pigment that is produced and found in the strata of the skin

• melatonin

• keratin

• melanin

• hemoglobin

The top layer of the skin is called the _________________.

• dermis
• oil gland
• nerve
• epidermis

What are the three main layers of the skin?

• The epidermis, the dermis, and the subcutaneous
• The epidermis, the dermis, and the sebaceous
• The dermis, the sebaceous, and the sudoriferous
• The sudoriferous, the dermis, and the epidermis

The waterproofing protein that fills the cells in the upper layers of the epidermis.

• Keratin
• Melatonin
• Melanin
• Actin

What gland is responsible for keeping our hair soft and is a barrier for bacteria and fungi?

• Sudoriferous
• Sebaceous
• Melanin
• Carotene

Goosebumps are caused by contractions of the ______ muscle

• Arrector pili
• Apocrine
• Eccrine
• Sebaceous

Oil glands that are found all over the skin, except on the palms and soles, are called _____.

• merocrine glands
• sebaceous glands
• apocrine glands
• sweat glands

What cell produces a protein allows for waterproofing of the skin, nails, and hair?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (Dendritic) cell

What cell produces a dark brown pigment?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (dendritic) cell