Understanding the Skin and Hair

What is the largest organ of the body?

• Stomach

• Kidneys

• Brain

• Skin

Which layer of the skin provides a waterproof barrier?

• Dermis

• Epidermis

• Subcutaneous

• Hypodermis

What is the primary function of sebaceous glands?

• Produce hormones

• Store fat

• Filter blood

• Lubricate skin and hair

Which part of the hair is the visible portion that extends above the skin?

• Hair Root

• Hair Bulb

• Hair Follicle

• Hair Shaft

The deepest layer of the skin, responsible for insulation, is known as the

• Epidermis

• Dermis

• Endoderm

• Hypodermis

What do sudoriferous glands primarily secrete?

• D) Saliva

• B) Sweat

• A) Water

• C) Blood

The cuticle serves to

• Absorb moisture from the environment

• Form new skin cells

• Protect the area between skin and nail plate

• Provide nourishment to the nail

What is the function of the dermis?

• Provide structure and support

• Regulate blood pressure

• Enhance skin color

• Absorb nutrients

Which vitamin is produced when skin is exposed to sunlight?

• Vitamin D

• Vitamin E

• Vitamin F

• Vitamin K

What is the main component of hair?

• Cholesterol

• Sodium

• Calcium

• Keratin