Quiz on the Integumentary System

What percentage of our body mass does the skin represent?

• 10%

• 5%

• 16%

• 25%

Which layer of skin is avascular?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous layer

What is the primary function of the skin's sebaceous glands?

• Produce vitamin D

• Produce oil

• Produce melanin

• Produce sweat

Which layer of skin is responsible for making new skin cells?

• Dermis

• Hypodermis

• Epidermis

• Subcutaneous layer

What role does the dermis play in temperature regulation?

• It is avascular.

• It contains sweat glands.

• It produces melanin.

• It stores fat.

What is the function of melanin in the skin?

• To regulate body temperature

• To give skin its color

• To produce sweat

• To protect against water loss

Which layer of skin helps in the excretion of wastes?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

What is the primary function of the hypodermis?

• To attach the dermis to muscles and bones

• To regulate metabolism

• To produce oil

• To provide sensory reception

Which layer of skin contains blood vessels?

• Dermis

• Epidermis

• All of the above

• Hypodermis

What happens to skin cells as they move up through the epidermis?

• They grow larger.

• They die and flake off.

• They become more vascular.

• They produce melanin.