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243 CH 51, 52

243 EXAM 4

TermDefinition
skin functions sensory perception, thermoregulation, secretion, protection, stores fat, facilitates motion, appearance and identity
pathogenesis of skin disease sunlight, insects, infectious organisms, chemicals, physical agents, genetics
pigmented skin disorders involve melanocytes
absence of melanin production vitiligo, albinism
vitiligo patches of unpigmented skin
albinism overall absence of melanin
increase in melanin mongolian spots
allergic dermatitis poison ivy, latex allergy
atopic dermatitis eczema, poorly defined erythema, edema and vesicles
uticaria hives
angioedema swelling in the deeper dermis, large wheals, swelling of tongue and upper airways
drug induced skin eruptions erythema multiforme minor, steven johnson syndrome, toxic epidermal necrolysis
erythema multiforme minor ring like erythematous macules and blisters
steven johnson syndrome erythema multiforme major, ulceration of mucous membrane and skin, bigger rash
toxic epidermal necrolysis life threatening, large areas of denuded skin, overall body rash, skin sloughing off
psoriasis circumscribed, red, thickened plaques with silver scales, genetic history, T cell mediated autoimmune, hyperkeratosis
hyperkeratosis increased epidermal cell turnover, thickening of skin
arthropod infestations scabies, pediculosis
scabies mite, burrows in epidermis, lays eggs and larvae that migrate to skin surface, person to person
pediculosis lice, wingless, lives on animal and human blood
lyme disease multisystem inflammatory disease caused by the spirochete borrelia burgdorferi transmitted by tick bites
three stages of lyme disease symptoms localized infection, disseminated infection, lat persistent infections
lyme disease disseminated infection fever, chills, fatigue, muscle and joint aches
lyme disease late persistent infection headache, stiffness, facial palsy, lyme carditis (bacteria in cardiac muscle)
lyme disease rash erythema migrans, bullseye, 3 to 30 days after bite
rubella german measles, caused by togavirus
rubella rash starts in trunk, diffuse to extremities, punctuate, macular rash
rubella manifestations enlarged cervical and postauricular lymph nodes, low grade fever, headache, sore throat, runny nose, cough
rubeola 7 day measles, red measles, acute
rubeola rash macular and blotchy, begins on face, koplick spots over buccal mucosa
rubeola manifestations high fever, malaise, enlarged lymph nodes, conjunctivitis, barking cough
varicella chickenpox produced by varicella zoster, pruritus, cold like symptoms, mild fever
stages of varicella macule, vesicle, granular scab
skin tags outgrowths
keratosis overgrowth, brown moles
lentigo dark pigmented spots
tinea ringworm, body or face, scalp, feet, nail
candidal infections yeast, produced by C albicans, in GI, mouth and vagina, thrives in dark warm places
predisposed to fungal infections diabetics (high blood glucose weakens immune response), antibiotics (disrupts microbiome), contraceptive (hormonal changes), poor nutrition, immunosuppression
primary bacterial infections superficial; impetigo, bullous impetigo, ecthyma
impetigo group A beta hemolytic strep or staph, small vesicles or pustules, large bullae, serous liquid hardens, pruritic
bullous impetigo staph aureus, thin bullae erupt and may coalesce
secondary bacterial infections deep cutaneous, infected ulcers, cellulitis
cellulitis dermis and subcutaneous tissues, portal of entry - wound, scratch, common in legs and hands
cellulitis appearance expanding red, swollen tender, plaque, fever, erythema, heat, edema
human papillomavirus verrucae, warts common benign papilloma
herpes simplex type 1 spread by respiratory droplets or direct contact with infected saliva, oropharyngeal infections
herpes simplex type 2 genital herpes
herpes zoster shingles, chicken pox sits dormant in nerve roots, pattern of rash along dermatome, where nerve root innervates
Created by: ahommel
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