SPE3510 - Integumentary System

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

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

What layer of epidermis does cell division occur?

• stratum lucidum
• stratum basale
• stratum granulosum
• stratum corneum

The oldest cells of the epidermis will be found here

• Stratum Corneum
• Stratum Basale
• Stratum Spinosum
• Stratum Granulosum

Which sweat gland creates a sweat that is mostly water?

• Apocrine
• Sudoriferous
• Eccrine
• Ceruminous 

The epidermis is composed of _____.

• stratified squamous epithelium
• simple columnar epithelium
• adipose tissue
• connective tissue

The function of the integumentary system includes all of these except what?

• Homeostasis

• Cooling system

• Synthesis of Vitamin A

• Excretion of wastes