Skin and Hair Test

What is the function of melanin in the skin?

• To absorb nutrients

• To produce vitamin D

• To regulate body temperature

• To protect against UV radiation

Which layer of the skin is responsible for excreting waste?

• Epidermis

• Dermis

• Subcutaneous Fat

• Hypodermis

Which layer of the skin is responsible for synthesizing vitamin D?

• Epidermis

• Dermis

• Subcutaneous Fat

• Hypodermis

What is the function of hair on the body?

• To regulate body temperature

• To produce vitamin D

• To protect the body

• To absorb nutrients

What is the function of sweat glands in the skin?

• To protect the body

• To regulate body temperature

• To absorb nutrients

• To produce vitamin D

Which type of cells in the epidermis are involved in immune responses?

• Merkel cells

• Langerhans cells

• Melanocytes

• Keratinocytes

Which type of cells make up 90% of the epidermis?

• Keratinocytes

• Melanocytes

• Langerhans cells

• Merkel cells

What is the purpose of the outer cuticle in hair?

• To provide strength

• To produce vitamin D

• To absorb nutrients

• To regulate body temperature

Which layer of the skin is the thickest?

• Stratum basale

• Stratum lucidum

• Reticular layer

• Papillary layer

Which layer of the skin is responsible for secreting sebum?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous Fat