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26 Cards in this Set
- Front
- Back
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What influences the growth rate of hair
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nutrition and hormones;
excess androgen results in increased hair growth (females with a beard) |
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What is the normal growth rate of hair?
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2.5 mm per week
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What is Alopecia
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baldness or hair loss
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What causes Alopecia
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1) Protein deficient diets, blood thinners, chemotherapy, acutely high fever, serve emotional trauma, antidepressants, excessive vitamin A
2) Male Pattern- cause by genetics and male hormones |
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What are nails
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scalelike modifications of the hair
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What are the function of nails
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help pick up objects, to scratch an itch
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What are Sudoriferous Glands
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Sweat Glands
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What are 3 main types of glands
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Eccrine
Sebaceous-oil Appocrine |
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What are eccrine glands
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found all over the body
secretion is mostly water, salt and urea; major role as a thermo-regulator for the body. Ducts empty directly onto skin surface |
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What do Eccrine gland secrete
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mostly water, salt and urea
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What is a major role of eccrine gland
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thermo-regulator for the body
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Apocrine
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found in axillary and genital area; secretion contain water, salt urea also proteins and lipids (nutrients for bateria) duct empty into hair follicles
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What do the Apocrine secrete
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water, salt, urea also proteins and lipids
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What are Mammary glands
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specialized sweat glands that secrete milk (look for Ca++ released)
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What are Ceruminous
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modified apocrine glands located in the lining of the external ear canal. Earwax
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What are the 2 ways that burns are evaluated
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Extent- The rule of Nines
Degree or Severity |
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What is the Rule of Nines
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is a way of estimating the volume of fluid lost by computing the percentage of the body surface burned
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How many areas is the body divided into?
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11 each accounting for 9% of total body area, plus an additional area the genitals accounting for 1%
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First Degree Burns
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only the epidermis is damaged; swelling and pain; heals in 2-3 days
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Second Degree Burns
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injure the epidermis and upper region of the dermis; mimic first degree but blisters also appear; healing in 3-4 weeks
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Third Degree Burns
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involve the entire thickness of the skin; appear blanched, cherry red, or blackened, nerve endings have been destroyed; skin grafting is often necessary
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Which is the least malignant and the most common form of skin cancer
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Basal Cell Carcinoma
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Basel Cell Carcinoma
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Cells of the stratum basale invade the dermis and epidermis; usually full cure in 99% of cases; involves areas of body exposed to sunlight
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Squamous Cell Carcinoma
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arises from keratinocytes of the stratum spinosum. Tends togrow rapidly and metastasize to adjacent lymph nodes (if not removed) if caught early with surgery and radiation complete cure is good
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Melanoma
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the cancer of the melanocytes, is the most dangerous skin. Usually appears as a spreading brown to black patch that metastasizes rapidly. Survival rate is 50% with early detection. Accounts for 5% of all skin cancer
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What is the ABCDE Rule
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A=Asymmetry - two sided do not match
B=Border irregularity - indentions C=Color=black, browns, tans (blues, reds) D=Diameter-larger than 6mm(pencil eraser) E=Elevation-above the skin surface |
