Front

Which layer of the skin is primarily responsible for providing a barrier against pathogens and environmental damage?

Back

Epidermis

Front

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

Back

Secreting oil to lubricate the skin and hair

Front

How does melanin contribute to the protection of the skin?

Back

By absorbing ultraviolet (UV) radiation

Front

Which of the following is a mechanism by which the skin helps regulate body temperature?

• Melanin production
• Vasodilation and vasoconstriction
• Keratinization
• Collagen synthesis

Back

Vasodilation and vasoconstriction

Front

During the wound healing process, which phase involves the formation of new tissue and blood vessels?

Back

Proliferative phase

Front

What is one of the effects of prolonged exposure to UV radiation on the skin?

Back

Accelerated aging and wrinkle formation

Front

Which layer of the skin contains the majority of the skin's blood vessels and nerves?

Back

Dermis

Front

What role do sweat glands play in the integumentary system?

Back

They help in thermoregulation by releasing sweat

Front

How does the skin contribute to the synthesis of vitamin D?

Back

By converting cholesterol into vitamin D upon exposure to sunlight

Front

Function of hair as a skin appendage? Options: Protecting against UV radiation, Regulating body temperature, Providing sensory input, Producing sweat

Back

Providing sensory input