Integumentary system - Introduction and the Epidermis

What is the external surface of the body called?

• Epidermis

• Dermis

• Cutaneous membrane

• Subcutaneous layer

Approximately what percentage of an adult's total body weight is made up by the skin?

• 10%

• 16%

• 23%

• 7%

What are the two main parts of the skin?

• Epidermis and Hypodermis

• Dermis and Subcutaneous

• Epidermis and Dermis

• Hypodermis and Subcutaneous

Which layer of the skin is superficial and thinner?

• Dermis

• Subcutaneous

• Epidermis

• Basement membrane

What type of tissue is the dermis primarily composed of?

• Epithelial tissue

• Connective tissue

• Muscle tissue

• Nervous tissue

How are the two layers of the skin attached?

• By the muscular junction

• By the basement membrane

• By the epidermal layer

• By the subcutaneous tissue

What is another name for the subcutaneous layer of the skin?

• Epidermis

• Dermis

• Hypodermis

• Areolar layer

The subcutaneous layer is deep to which layer of the skin?

• Epidermis

• Dermis

• Hypodermis

• Keratin layer

What types of connective tissue make up the subcutaneous layer?

• Epithelial and muscle tissue

• Areolar and adipose connective tissue

• Dense and loose connective tissue

• Cartilage and bone tissue

What is the function of the subcutaneous layer?

• Protects the body from UV radiation

• Attaches skin to underlying tissues and organs

• Regulates body temperature

• Produces vitamin D