BIO 1217 RCTC- A&P- LECTURE 3 EXAM- INTEGUMENTARY SYSTEM QUESTIONS AND ANSWERS SOLVED 100% CORRECT!!
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BIO 1217 RCTC- A&P- LECTURE 3 - INTEGUMENTARY
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BIO 1217 RCTC- A&P- LECTURE 3 - INTEGUMENTARY
1st degree burn - - involves only the epidermis, visually seen as localized redness, slight edema,
and is painful
2nd degree burn - - involve epidermis and some dermis (not all dermis), visually seen as red, tan
or white with blisters (tissue fluid accumulates between separated dermis from the e...
BIO 1217 RCTC - A&P - LECTURE 3 EXAM - INTEGUMENTARY SYSTEM . 1st degree burn - - involves only the epidermis, visually seen as localized redness, slight edema, and is painful 2nd degree burn - - involve epidermis and some dermis (not all dermis), visually seen as red, tan or white with blisters (tissue fluid accumulates between separated dermis from the epidermis) and is painful 3 major types of skin cancer - -basal cell carcinoma, squamous cell carcinoma, melanoma 3rd degree burn - - involve all epidermis and dermis and often deeper tissue. -Burned area appears gray -white, cherry red, or black -there is no initial edema or pain (since nerve endings are destroyed). -Since dermis is destroyed, skin can only regenerate at the edges of the wound where the dermis remains. -Often skin grafts are required and if left by themselves to heal develop into contractures - first threat to life from 3rd degree burns is catastrophic fluid loss! Abnormal skin colors - cyanosis, erythema, pallor, albinism, jaundice, hematoma, bronzing Albinism - - No melanin production due to genetic factors. These people have 2 recessive nonfunctional tyrosinase alleles (no tyrosinase enzyme) apocrine sweat glands - - Larger than eccrine glands but less numerous, are found in the groin, anal region, axilla, areola, and beard areas, secrete a thicker milkier sweat, -due to increased fatty acids in the sweat. -Ducts empty contents into hair follicles. -These are scent glands and do not develop until puberty. Arrector pili muscle - - causes goosebumps Baldness (alopecia) - -thinning of the hair in both sexes basal cell carcinoma - - Least malignant and most common skin cancer - Stratum basale cells proliferate and invade the dermis and hypodermis - Slow growing and do not often metastasize - Can be cured by surgical excision in 99%of the cases Basement membrane (a.k.a.Glassy membrane) - - connects hair bulb to connective tissue Breasts - -found on male and female sexes Bronzing - - Golden brown skin color due to Addison's disease (decreased glucocorticoid hormone) looks like a permanent suntan. Abnormal Skin Colors
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