Understanding Skin Structure and Care

What is the outermost layer of the skin called?

• Dermis

• Epidermis

• Subcutaneous layer

• Sebaceous gland

Which protein is primarily responsible for the skin’s strength and elasticity?

• Melanin

• Collagen

• Keratin

• Elastin

What is the main function of the sebaceous glands?

• Produce sweat

• Produce oil

• Produce melanin

• Produce collagen

Which layer of the skin contains blood vessels and nerves?

• Epidermis

• Dermis

• Stratum corneum

• Subcutaneous layer

What is the pigment responsible for skin color?

• Collagen

• Melanin

• Keratin

• Elastin

Which of the following is NOT a function of the skin?

• Protection

• Sensation

• Digestion

• Temperature regulation

What is the primary purpose of using a moisturizer in skin care?

• To exfoliate dead skin cells

• To hydrate and soften the skin

• To remove oil

• To increase melanin production

Which type of ultraviolet (UV) radiation is most responsible for causing sunburn?

• UVA

• UVB

• UVC

• Infrared

What is the function of the subcutaneous layer?

• Produces melanin

• Provides insulation and cushioning

• Contains sweat glands

• Forms the outer barrier

Which of the following is a simple procedure to help prevent sun damage to the skin?

• Exfoliating daily

• Applying sunscreen

• Using hot water to wash the face

• Avoiding moisturizer