4.2 Structure and Function of Skin

The skin is composed of how many layers?

• 2
• 4
• 5
• 7
• 9

What is the primary function of the epidermis?

• Protection
• Sensation
• Secretion
• Regulate body temperature
• Excretion

What is the name of the innermost layer of the epidermis?

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

The dermis is composed of which two layers?

• Epidermis and Stratum Basale
• Epidermis and Stratum Corneum
• Epidermis and Stratum Granulosum
• Dermis and Subcutaneous Tissue
• Dermis and Stratum Lucidum

Which layer of the epidermis contains the most melanin?

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

What is the function of the hair follicles?

• Protection
• Sensation
• Secretion
• Regulate body temperature
• Excretion

The sweat glands are responsible for what function?

• Protection
• Sensation
• Secretion
• Regulate body temperature
• Excretion

What is the function of the sebaceous glands?

• Protection
• Sensation
• Secretion
• Regulate body temperature
• Excretion

What is the function of the sebaceous glands?

• Protection
• Sensation
• Secretion
• Regulate body temperature
• Excretion

What is the role of the stratum corneum in the skin?

• Protection from UV rays
• Protection from bacteria
• Protection from physical trauma
• Protection from water loss
• Protection from temperature changes