Test_Two_Study_Guide

Test_Two_Study_Guide - TestTwoStudyGuide Chapters5,6,7,and8...

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Test Two Study Guide Chapters 5, 6, 7, and 8
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Chapter 5 Integumentary System
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What are the Functions of the  Skin? (6)
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Functions of the Skin Protection Body Temperature Regulation Cutaneous Sensation Metabolic Functions Blood Reservoir Excretion
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Identify the Following  Structures Skin
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A:Epidermis B: Dermis C: Hypodermis D: Dermal Papilla E: Meissner’s Corpuscle F: Arrector Pili Muscle G: Stratum Corneum H: Stratum Granulosum I: Stratum Spinosum J: Stratum Basale K: Sebaceous Gland  L: Pacinian Corpuscle M: Hair Follicle N: Sweat Gland O: Hair Shaft
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Pathologic Issues of the Skin
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Describe Basal Cell  Carcinoma.
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Basal Cell Carcinoma Least malignant Most common skin cancer Stratum basale cells proliferate, invading  the dermis and hypodermis. The cancer lesions occur most often on  sun-exposed areas of the face and appear  as shiny, dome-shaped nodules that later  develop a central ulcer with a pearly,  beaded edge.
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Describe Squamous Cell  Carcinoma.
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Squamous Cell Carcinoma The second most common skin cancer Arises from the keratinocytes of the  stratum spinosum. The lesion appears as a scaly, reddened  papule that arises most often on the head  and hands. It tends to grow rapidly and metastasize if  not removed.
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Describe Melanoma.
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Melanoma The most dangerous skin cancer It is highly metastatic and resistant to  chemotherapy. Can begin wherever there is pigment. It usually appears as a spreading brown to  black patch that metastasizes rapidly to  surrounding lymph and blood vessels.
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What is the ABCD(E) Rule for  Skin Cancer?
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ABCD(E) Rule A: Asymmetry The two sides of the pigmented spot or mole  do not match. B: Border Irregularity The borders of the lesion exhibit indentations. C: Color The pigmented spot contains several colors. D: Diameter The spot is larger than 6 mm in diameter.
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Burns
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Describe a 1 st  Degree Burn.
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1 st  Degree Burn Only the epidermis is damaged. Symptoms Localized redness Swelling Pain Tend to heal in two to three days without  special attention
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Describe a 2 nd  Degree Burn.
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2 nd  Degree Burn Injure the epidermis and the upper region  of the dermis Symptoms Localized redness Swelling Pain Blisters The burned area is red and painful. Skin regeneration occurs with little or no  scarring within three to four weeks.
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Describe a 3 rd  Degree Burn.
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rd  Degree Burn Involves the entire thickness of the skin The burned area appears gray-white,  cherry red, or blackened, and initially there  is little or no edema. The burned area is not painful.
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Test_Two_Study_Guide - TestTwoStudyGuide Chapters5,6,7,and8...

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