Human Skin Structure

What is the outermost layer of the human skin called?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous layer

Which layer of the skin contains blood vessels and nerves?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

What is the primary function of melanin in the skin?

• To provide elasticity

• To produce sweat

• To protect against UV radiation

• To store fat

Which layer of the skin is primarily responsible for fat storage?

• Epidermis

• Dermis

• Hypodermis

• Stratum lucidum

What is the name of the protein that helps to waterproof the skin?

• Collagen

• Elastin

• Keratin

• Melanin

What is the main function of the sebaceous glands in the skin?

• To produce sweat

• To produce oil

• To produce melanin

• To produce keratin

Which layer of the epidermis is responsible for the continuous renewal of skin cells?

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

• Stratum basale

Which of the following layers of the skin is avascular (lacks blood vessels)?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

What is the primary function of the hypodermis?

• To provide a barrier against pathogens

• To insulate the body

• To produce sweat

• To produce melanin

Which of the following is a pigment that contributes to skin color?

• Collagen

• Elastin

• Melanin

• Keratin