Skin Structure and Functions Quiz

What is the largest organ of the body?

• Lungs

• Skin

• Liver

• Heart

Which type of cell in the epidermis produces the pigment melanin?

• Melanocytes

• Langerhans cells

• Merkel cells

• Keratinocytes

What is the primary function of the sebaceous glands?

• Absorb nutrients

• Produce sweat

• Regulate body temperature

• Secrete oil

Which layer of the epidermis is responsible for the formation of keratin?

• Stratum Granulosum

• Stratum Basale

• Stratum Corneum

• Stratum Lucidum

What type of nerve fibers send messages to the brain?

• Sensory nerve fibers

• Secretory nerve fibers

• Autonomic nerve fibers

• Motor nerve fibers

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

• Protection

• Absorption

• Sensation

• Digestion

What is an open comedo commonly known as?

• Acne

• Whitehead

• Blackhead

• Pimple

Which layer of the dermis contains dermal ridges?

• Stratum Corneum

• Papillary layer

• Reticular layer

• Epidermis

What is the role of Langerhans cells in the skin?

• Produce melanin

• Participate in immune responses

• Regulate oil production

• Provide sensation

Which type of melanin is red to yellow in color?

• Eumelanin

• Pheomelanin

• Keratin

• Collagen