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

• Blocks pathogens

• Synthesizes vitamin D

• Regulates blood sugar

• Senses touch

The outermost layer of the skin is the:

• Dermis

• Subcutaneous layer

• Epidermis

• Corium

Which layer of the skin contains no blood vessels?

• Epidermis

• Dermis

• Subcutaneous layer

• Muscle

Melanin is produced by:

• Lipocytes

• Sebaceous glands

• Melanocytes

• Sweat glands

The dermis is also known as the:

• Lunula

• Corium

• Cuticle

• Subcutaneous layer

The subcutaneous layer is primarily composed of:

• Muscle tissue

• Adipose tissue

• Keratin

• Nerve fibers

Sebaceous glands secrete:

• Sweat

• Melanin

• Sebum

• Keratin

Which structure is closely associated with hair follicles?

• Sweat glands

• Sebaceous glands

• Nail bed

• Lunula

The term hidrosis refers to:

• Hair growth

• Production of melanin

• Production and excretion of perspiration

• Fat storage

The evaporation of sweat helps to:

• Hydrate the skin

• Cool the body

• Produce vitamin D

• Lubricate hair follicles