Exam 10: Skin

Dendritic cells develop in the dermis of the skin but migrate to the epidermis of the skin to function.

Explain the two ways in which body surface area can be estimated.

One of the important functions of the skin is the synthesis of vitamin D.

The papillary layer of the dermis lies just below the dermal-epidermal junction.

The skin is the largest and thinnest organ.

A high level of melanin in the skin assists in the formation of vitamin D.

Darkening of the skin may be caused by a decrease in the secretion of adrenocorticotropic hormone.

Which cells originate in the bone marrow and are important in the immune function?

Permanent tattoos are made by injecting pigments into the epidermis of the skin, and because of the regeneration of the epidermis, they become less distinct with age.

The death of melanocytes in the hair follicle of older people causes the hair to turn gray.

Match each term with its description or definition. -Most numerous gland of the skin; produces a transparent, watery liquid

In a cool environment, conduction accounts for most of the heat loss of the body.

Keratin is an important skin pigment that protects against ultraviolet light.

The basic ingredient in the skin that determines skin color is melanin.

A second-degree burn is characterized by:

People who have mostly pheomelanin in their skin tend to have darker skin than people who have mostly eumelanin.

The papillary layer of the dermis:

Match each term with its definition or description. -Dermis layer that forms fingerprints

A person with a body temperature of 38° C would need to be treated for hypothermia.

The gland that produces the waxy secretion in the external ear canal is a sebaceous gland.