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66 Cards in this Set

  • Front
  • Back
the skin and the accessory structures- hair, nails, sweat glands, and sebaceous glands
Integumentary system
Skin and related structures are considered a. . . .
body organ
primary function of skin
protection
functions of skin
production of vitamin D; excretion of sweat, urea, and lactic acid; expression of emotion; repair of its own surface wonds
Three layers of skin:
epidermis, dermis, subcutaneous layer (hypodermis)
thin, outermost layer of skin and composed of stratified squamous epithelium
epidermis
avascular
it has no direct blood supply
stratum germinativum
-deepest aspect of epidermis and close to blood supply
Active cell generation takes place where in the epidermis?
the stratum germinativum
outermost layer of the epidermis
stratum corneum
function of stratum corneum?
protective barrier and regulates water loss
the process of cell regeneration takes how long?
30 days
Hair and nails are composed mainly of?
keratin
Where are melanocytes located and its function?
-in the basal cell layer of the epidermis
-secrete melanin (pigment for skin)
the layer of skin that is made up of highly vascular connective tissue?
Dermis
Function of the Dermis
-regulation of body temp and BP
-dermal blood nourishes epidermis
-dermal connective tissue provides support for outer layer
this layer is not actually skin tissue
subcutaneous layer
Function of the hypodermis layer
-support structure for the dermis and epidermis
-retain heat, provide protective cushion, and provide calories
Hair is formed from. . .
epidermal cells in the dermis
nails are made up of. . .
epidermal cells
defn of paronychium
skin tissue adjacent to the nail
which sweat gland is the most widespread on the body?
Eccrine Sweat Glands
Which sweat gland is found in its greatest numbers on the palms of hands, soles of feet, and forehead?
Eccrine Sweat Glands
Where are the Apocrine sweat glands found?
axillae, nipples, areolae, anogenital area, eyelids, and external ears
Decomposition of what sweat produces body odor?
apocrine
this gland secretes a lipid-rich substance which keeps the skin and hair from drying out
Sebaceous glands
What gland has the greatest distribution on the face and scalp?
Sebaceous glands
What gland secretion is stimulated by sex hormone activity?
Sebum secretion
What nationalities of people have fewer apocrine glands causing them to perspire less and produce less BO?
-Native Americans
-Alaskan Natives
-Pacific Islanders
-Asian Americans
What is the most commonly reported symptom of skin disease?
Pruritis
cyanosis
(in light skin)
Grayish blue tone, especially in nail beds, earlobes, lips, mucous membranes, palms, and soles of feet
cyanosis
(in dark skin)
Ashen-gray color most easily seen in the conjunctiva of the eye, oral mucous membranes, and nail beds
Ecchymosis (bruise)
Dark red, purple, yellow, or green color, depending on age of bruise
Erythema
-Reddish tone in light skin
-deeper brown or purple in dark skin
-increased temp secondary to inflammation
Jaundice
yellowish color of skin, sclera of eyes, fingernails, palms of hands, and oral mucosa
Pallor
Pale skin color that may appear while in light skin people and maybe a ashen gray in dark skinned people
Petechiae
Lesions appear as small, reddish purple pinpoints
-may be difficult to see on dark skinned people
Rash
may be visualized as well as felt with light palpation
Scar
Narrow scar line; frequently has keloid development, resulting in a thickened, raised scar
Pigmented nevi
(moles)
-most adults have 10-40
-most common above the waist on sun-exposed body surfaces
-typically less than 5mm in size
Freckles
-most common locations are on face, arms, and back
-small, flat, hyperpigmented macules
Patch
-an area of darker skin pigmentation
-birthmarks
striae
silver or pink "stretch marks" secondary to weight gain or pregnancy
Vitiligo
-acquired condition
-associated with development of unpigmented patch or patches
-more common in dark-skinned races
an increase in thickness of skin is most commonly seen in what sort of patient?
Diabetic
Excessively thin skin may be seen in patients with what condition?
hyperthyroidism
Hirsutism
hair growth in women with an increase of hair on the face, body, and pubic area
koilonychia
-spoon nail
-a thin, depressed nail with lateral edges turned upward
leukonyhia
appears as white spots on the nail plate
clubbing is present in what sort of people?
long-term smokers
What lesion characteristics need to be documented during examination?
-location
-distribution
-color
-pattern
-edges
-size
characteristics
Thinning or brittleness of the nail may be secondary to what?
-poor peripheral circulation
-inadequate nutrition
Pitting of the nail is commonly associated with what disorder?
Psoriasis
Examples of Papule?
-Wart (verruca)
-elevated moles
-lichen planus
-skin tag
Examples of Patch?
Vitiligo
port wine stains
mongolian spots
cafe-au-lait spots
Plaque
Psoriasis
Eczema
Wheal
insect bites
urticaria
allergic reaction
lupus erythematosus
Nodule
lipomas
melanoma
hemangioma
neurofibroma
Tumor
neoplasms
lipoma
hemangoima
vesicle
vericella (chickenpox)
herpes zoster (shingles)
impetigo
acute eczma
bulla
blister
pempigus vulgaris
lupus erythematosus
impetigo
pustule
imjpetigo
acne
folliculitis
herpes simplex
cyst
sebaceous cyst
cystic acne
Fissure
athletes foot
cracks at corner of mouth
eczema
Stasis Dermatitis
Inflammation of the skin on lower legs
Most commonly seen in older adults
May be caused by chronic edema or poor peripheral circulation
What is the most common form os skin cancer
Basal Cell Carcinoma