Exploring the Integumentary System

What is the outermost layer of the skin called?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous layer

Which of the following is a primary function of the skin?

• Digestion

• Protection

• Respiration

• Circulation

Identify the skin disorder characterized by red, itchy patches.

• Psoriasis

• Acne

• Vitiligo

• Melanoma

What is the role of melanin in the skin?

• To provide nutrients

• To protect against UV radiation

• To regulate temperature

• To produce sweat

Which layer of the skin contains blood vessels and nerves?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

Explain how the skin helps in regulating body temperature.

• By producing melanin

• By sweating and adjusting blood flow

• By absorbing nutrients

• By producing sebum

Which of the following is a common cause of acne?

• Excessive melanin production

• Blocked hair follicles

• Lack of vitamin D

• Overexposure to sunlight

How does melanin production affect skin color?

• More melanin results in lighter skin

• Less melanin results in darker skin

• More melanin results in darker skin

• Melanin has no effect on skin color

Analyze the impact of UV radiation on skin health.

• It enhances skin elasticity

• It can cause skin cancer and premature aging

• It improves skin hydration

• It reduces the risk of skin disorders

Evaluate the effectiveness of sunscreen in preventing skin damage.

• Sunscreen is ineffective against UVB rays

• Sunscreen provides complete protection from all UV rays

• Sunscreen reduces the risk of skin cancer and sunburn

• Sunscreen increases melanin production