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34 Cards in this Set
- Front
- Back
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What are the layers of the skin and what the they contain? |
1. The epidermis is the top layer that contains epithelial cells and keratin 2. The dermis is second layer that contains hair follicles and oil/sweat glands. 3. The subcutaneous contends adipose tissue |
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What are the antibiotic roles of sebum and perspiration? |
They're high in salt which inhibits some microbes. Contains lysosomes that hydrolyze peptidoglycan The fatty acids inhibit some bacteria. |
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Whata r ethe normal microbiota of the skin |
Gram +: Staphylococcus Aureus Micrococci dipthernoids propionibacterium acnes yeast
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Exanthem vs Enanthem |
Exanthem is a skin rash Enanthem is a mucous membrane rash. |
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Vesicle? Bulla? Pustule? Macule |
round pus filled lesion in epidermis flat/rounf pus filled lesion in epidermis Pus in the the dermis surrounded by tissue flat lesion on surface of skin
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Inflammatory Acne |
caused by propionibacterium acnes it is gram + and anerobic
treated with antibiotic and benzoyl peroxide |
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Virulence factors of Staphylococcus aureus |
High salt Leukocidal Protein A resistent to lysozmes |
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What's protein A? |
protein A neutralize antibodies |
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Staphylococcus skin infections |
SSSS TSS Sty Folliculitis furnuncle/ boil Abcesses |
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Streptococcus virulence? |
contains Protein M superantigen Exotoxin A
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Staphylococcus skin infections |
TSS Flesh eating diseases necrotizing fascilitis
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What is Protein M? |
Protein M cause neutrophils to bind and release damaging cytokines. |
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Virulence and infections of Pseudomas |
Gram NEG pyocyanin toxin opportunistic causes blue-green pus
Causes Swimmer ear or Otitis externa |
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What are the viral skin infections? |
Warts Smallpox Chickenpox Shingles Measels Rubella Herpes (cold sores) 5th disease: erthema infectiosum Roseola |
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Warts |
Caused by papillomavirus benign skin growth sometimes associated with cancer
treatment by freezing, acid, or laser removal |
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Smallpox |
caused by the poxvirus Variola Erradicated by vaccines
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Chicken Pox |
Caused my Varciela zoster virus (HHV 3) remans latent in dorsal root ganglion transmitted via resp tract |
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SHingles |
caused by the reactivation of latent VCR live attenuated vaccine and acyclovir |
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Measels |
caused by rubeola? Macular rash spots ect |
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Rubella |
Congenital Rubella syndrome damaging to infants. macular rashes |
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erthema infectious 5th diseae |
caused by parvovirus b19 starts as a facial rash |
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roseola |
caused by HHV- 6 or 7. high fever and rash lasting 1-2 days |
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Fungal infections of the skin |
Cutaneous mycoses Subcutaneous mycoses Candidiasis Thrush Systemic Candidiasis
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Cutaneous Mycoses |
Dermatomycoses Known as tinea or ringworm - atheletes foot is tinea pedis ** metabolizes Keratin treated with topical micanazole |
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Subcutaneous Mycoses |
More severe the cutaneous causes sporotrichosis - it infects wounds and grows nodules along lymph vessels. Treated with potassium Iodide (KI) |
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Candidiasis |
*usually caused by the suppression of competing bacteria b/c of antibiotics. *occur in skin and mucous membranes of genital tract and mouth.
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Thrush |
Candida albicans yeast infection of the mouth |
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systemic candidiasis |
in immunocompromised individuals |
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Parasitic skin infections |
Scabies Periculosis or lice |
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Bacterial eye infections |
Conjuntivitis Opthalma neonotorium Chlamydia trachomonosis Keratitis- herpectic and acanthemoeba |
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conjunctivitis |
pink eye casused my haemophilus influenza |
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Opthalmia Neonatorium |
Caused by N. Gonorrhoeae Passed on to babies in birth canal silver nitrate eye drops
TETRACYLINE, ERYTHROMICIN, NITRATE DROPD
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Chlamydia Trachomatis |
causes inclusion conjuctivitis transmitted via birth canal can be caught when swimming TETRACYLINE |
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Keratitis |
inflammation/infection of cornea Bacterial Asperilligus transmitted through dirty water Acanthomoeba keratitis can be caused by dirty contacts. Herpectic Keratitis caused by HSV 1 -blindness -trifluridine |
