Nail & Skin Structure Quiz

What is the visible part of the nail called?

• Nail bed

• Nail plate

• Lunula

• Cuticle

Which part of the nail unit is responsible for producing new nail cells?

• Nail bed

• Nail matrix

• Lunula

• Cuticle

What is the function of the cuticle in the nail unit?

• To protect the nail matrix

• To provide nutrients to the nail

• To give the nail its shape

• To support the nail plate

How long does it typically take for a fingernail to grow from the base to the tip?

• 1-2 months

• 3-6 months

• 6-9 months

• 9-12 months

What is the primary component of the nail plate?

• Collagen

• Keratin

• Elastin

• Melanin

Which layer of the skin is responsible for producing new skin cells?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer

What is the main function of the dermis layer of the skin?

• To provide a barrier against pathogens

• To produce melanin

• To support and nourish the epidermis

• To store fat

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

• Protection

• Sensation

• Blood cell production

• Temperature regulation

What is the role of melanin in the skin?

• To provide elasticity

• To protect against UV radiation

• To produce sweat

• To store fat

Which layer of the skin contains sweat glands and hair follicles?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous layer