Understanding the Structure and Functions of the Skin

Which layer of the skin is primarily responsible for protecting the body against environmental factors?

• Hypodermis

• Subcutaneous tissue

• Epidermis

• Dermis

What type of cells in the epidermis are responsible for producing melanin?

• Langerhans cells

• Keratinocytes

• Merkel cells

• Melanocytes

Which layer of the skin contains blood vessels and sensory receptors?

• Epidermis

• Dermis

• Stratum corneum

• Subcutaneous tissue

What is the primary function of the subcutaneous tissue?

• Insulation and shock absorption

• Production of vitamin D

• Sensing touch and pressure

• Protection against UV radiation

How does the skin contribute to maintaining electrolyte balance?

• Through the production of vitamin D

• By producing melanin

• Through sweat glands removing waste

• By acting as a physical barrier