Assessing the SKIN, HAIR and NAILS

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Health Assessment Midterms

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127 Terms

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Skin
Largest organ of the body / Protects the underlying tissues and organs
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Epidermis, Dermis, Subcutaneous tissue
Three Layers of Skin
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Epidermis
Outer layer of skin
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Dermis
Inner layer of skin
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subcutaneous tissue
Tissue, largely fat, that lies directly under the dermis and serves as an insulator of the body.
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Keratin
hard protein material found in the epidermis, hair, and nails
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dermal papillae
connect the dermis to epidermis
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fingerprint
The unique patterns created by skin ridges found on the palm sides of fingers and thumbs.
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sebaceous glands
secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis
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sweat glands
The glands that secrete sweat, located in the dermal layer of the skin.
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eccrine glands
glands that produce sweat; found over most of the body
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apocrine glands
Sweat glands in the pubic and underarm areas secrete thicker sweat, that produce an odor when coming in contact with bacteria on the skin
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vellus and terminal
two types of hair
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Vellus
Thin, soft, unpigmented hair covering the body
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terminal
coarse, long hair of eyebrows, scalp, axillary, and pubic regions
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hair follicle
sac within which each hair grows/ sheath of epidermal cell
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hair shaft
The portion of hair that projects above the epidermis
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hair root
The part of the hair contained within the follicle, below the surface of the scalp.
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Anagen
The period of active growth
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Hair grows about
1 cm every 28 days
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Telogen
Resting phase of hair growth
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alopecia
hair loss/ most distressing change in hair
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Nails
hard keratinized cell, protective coverings on the ends of the fingers and toes
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free edge
part of the nail plate that extends over the tip of the finger or toe
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nail bed
epithelial layer of the skin/ Portion of the living skin that supports the nail plate as it grows toward the free edge.
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lunula
proximal part/ The half-moon-shaped, whitish area at the base of a nail
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yellow nails
Usually from a fungal infection, cigarettes, psoriasis
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distal band of reddish brown pink
renal disease, hypoalbuminemia
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Blue (cyanotic) nails with clubbing
Peripheral disease or hypoxia
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White nails (leukonychia)
trauma, cardiovascular, liver, or renal disease
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Rashes
may be localized or generalized and caused by a dermatologic problem or underlying systematic problem
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Cold Urticaria
temperature fluctuations
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Warm Weather Skin Rash
air humidity
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Cutaneous anthrax
exposure to contaminants
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Non - healing sore or chronic ulceration
Often associated with an underlying diseases.
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The most common types are caused by vascular disease or pressure or by diabetes.

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nail changes
reflect an underlying systematic problem/ in color and texture are frequent complaints
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pallor
decrease in color of the skin caused by lack of oxygen
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cyanosis
bluish discoloration of the skin due to lack of oxygen or poor tissue perfusion
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fingernails, lips, and the mucous membranes of the mouth and palpebral conjunctiva
pallor best observe around:
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lips and nails bed
cyanosis best observe around:
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Two types of cyanosis
central and peripheral
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central
cause by diseases of heart and lungs/ bluish discoloration of the tongue and linings of the mouth
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peripheral
results from the decreased peripheral circulation/ seen at the arms and legs
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jaundice
Also known as icterus; a yellowish appearance of the skin, sclera, mucous membrane, and excretions related to hepatobiliary disorders or hemolytic diseases.
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erythema
redness of the skin due to capillary dilation
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hyperpigmentation
darkened areas of skin caused by excessive amounts of melanin
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hypopigmentation
areas of skin lacking color because of deficient amounts of melanin
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vitiligo
white patches on the skin caused by the destruction of melanocytes associated with autoimmune disorders
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Albinism
complete or partial lack of melanin
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Unusual body odor
Poor hygiene or underlying disease
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odors from excessive sweating (hyperhydrosis)
possible thyrotoxicosis (excess thyroid hormone)
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Odors from night sweats
Possible tuberculosis
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urine odor
Incontinence problem
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Mousy odor
liver disease
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skin edema
Excessive accumulation of fluid in body tissues - cardiovascular problem.
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1+
barely detectable
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2+
indentation of less than 5 mm
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3+
indentation of less than 5-10 mm
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4+
indentation of more than 10 mm
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primary skin lesions
Initial alteration in the skin, abscess, ulcer, tumor, and open wound
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secondary skin lesions
changes that take place in the primary lesion due to infection, scratching, trauma, or various stages of a disease
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ABCDE of lesions
useful for assessment of skin cancers
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asymmetry, border irregularity , color variation, diameter, elevation
ABCDE of lesions types
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macule/patch
Small, flat, non-palpable skin color change
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Lentigines
small brown patches on the skin typically on elderly people
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petechiae
tiny circular bleeding under the skin
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scarlet fever
bright red rash the covers most of the body, develops in people with strep throat
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chloasma
mask of pregnancy
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Mongolian spots
congenital dermal melanocytosis
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port-wine stain
discoloration of the human skin caused by a vascular anomaly
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papule
palpable, raised but superficial
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plaque
elevated, palpable, solid mass
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wheal
Elevated mass with transient borders that is often irregular. Size and color vary. Collection of edema fluid into the dermis. Raised, superficial, and temporary.
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hives
outbreak of swollen, pale red bumps or plaques (wheals) on the skinthat appear suddenly
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nodule and tumor
solid, round or oval elevated lesion 2 cm or more in diameter
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lipoma
lump of fatty tissue/ feel rubbery/ painless, harmless not cancerous
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squamous cell carcinoma
second most common form of skin cancer
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dermatofibroma
superficial benign fibrous histiocytoma
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cyst
encapsulated fluid-filled or semisolid mass that is located in subcutaneous tissue or dermis
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Vesicle/Bulla
palpable, fluid filled
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vesicles
less than 0.5 cm
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bullas
greater than 0.5 cm
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herpes simplex
set of viruses that produce viral infections in the majority of humans
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Varicella
chicken pox
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poison ivy rash
allergic reaction to an oily resin called urushiol
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second degree burns
partial thickness burns
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pemphigus
rare group of blistering autoimmune diseases
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contact dermatitis
red itchy rash caused by direct contact wt a substance or an allergic reaction to it
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large burn blisters
caused by burns
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bullous impetigo
caused by bacterial infection
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Lichenification
Thickening and scaling with increased skin markings, ex. Eczema
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scales
shedding of dead skin cells
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crust
dried exudates, dried serum, bloods or pus on the surface of the skin
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scar
A mark on the skin that is left after a cut or other wound has healed.
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keloid
hypertrophic scarring because of excess collagen formation
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excoriations
abrasion or other loss that does not extend beyond the superficial epidermis
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erosions
loss of superficial epidermis
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Fissures
linear crack in the skin that may extend to the dermis
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Ulcers
skin loss extending past dermis