ASSESSING SKIN, HAIR, & NAILS Flashcards
(83 cards)
consists of the skin, hair, structures specialized functions. The sebaceous and nails, which are external that serve a variety of and sweat glands originating within the skin also have many vital functions. Each structure’ s function is described separately.
INTEGUMENTARY SYSTEM
consists of dead keratinized cells,
Outermost layer
- Largest organ of the body.
- Acts as a physical barrier protecting underlying tissues from microorganisms, physical trauma, ultraviolet radiation (UVR), and dehydration.
- Gives a unique appearance to individuals.
- Thicker on the palms of the hands and soles of the feet.
- Contains cells responsible for producing melanin
and keratin.
SKIN
is the only one undergoing cell division.
innermost layer
PLAYS A VITAL ROLE IN:
- Temperature maintenance
- Fluid and electrolyte balance
- Absorption
- Excretion
- Sensation
- Immunity
- Vit. D synthesis
- Composed of proteins and mucopolysaccharides, forming a thick, gelatinous material.
- Serves as a supporting matrix for nerve tissue, blood vessels, sweat and sebum glands, and hair follicles.
- Well-vascularized with the inclusion of collagen, elastic fibers, nerve endings, lymph vessels, and the origin of sebaceous and sweat glands.
DERMIS
- the outermost layer of skin on your body protects your body from harm, keeps your body hydrated,
- produces new skin cells and contains melanin, which determines the color of your skin
EPIDERMIS
EPIDERMIS CONSIST OF FOUR LAYERS
STRATUM CORNEUM
STRATUM LUCIDUM
STRATUM GRANULOSUM
STRATUM BASALE
A. GENERAL SKIN COLOR ASSESMENT
Inspection reveals evenly colored skin tones without unusual or prominent discolorations
NORMAL
- Loose connective tissue that includes fat cells, blood vessels, nerves, and the remaining parts of sweat glands and hair follicles.
- Functions as a storage site for fat, serving as an
energy reserve. - Provides insulation to conserve internal body heat.
- Acts as a cushion, offering protection to bones and
internal organs.
SUBCUTANEOUS TISSUE
A. GENERAL SKIN COLOR ASSESMENT
Pallor
Cyanosis
Jaundice
Erythema
ABNORMAL
(Loss of color) is seen in arterial insufficiency, decreased blood supply, and anemia.
Pallor
- May cause white skin to appear blue-tinged, especially in the perioral, nail bed, and conjunctival areas.
- Dark skin may appear blue, dull, and lifeless in the same areas.
Cyanosis
Central cyanosis results from
cardiopulmonary problems
whereas ________________ may be a local problem resulting from vasoconstriction.
peripheral cyanosis
Redness of the skin or mucous caused blood flow) membranes, (increased capillaries. It occurs by hyperemia in superficial with any skin injury, infection, or inflammation.
Erythema
Characterized by yellow ranging from pale to
skin tones, pumpkin, particularly of the sclera, oral mucosa, palms and soles
Jaundice
Is a velvety darkening of the skin in the body folds, creases, especially the neck, groin, and axilla.
Acanthosis Nigricans
The variations are due to different amounts of melanin in certain areas. A generalized loss of pigmentation is seen in _________
albinism
Common variations include suntanned areas,
freckles, or white patches known as ________.
vitiligo
- Very light, “Celtic” type
- Often burns, occasionally tans
type I
- Light, or light-skinned European.
- Usually burns, sometimes tans
TYPE II
- Light intermediate, or dark-skinned European
- Rarely burns, usually tans
TYPE III
- Dark intermediate, also “Mediterranean” or “olive skin
- Rarely burns, often tans
TYPE IV