Term
| The largest organ of the body, largest and outermost defense against infection, rarely infected from the outside, good sign of symptoms. |
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Definition
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Definition
| Control body temp, fluid balance, synthesis of Vit D. |
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Definition
| Sensory receptors that sense the enviorment |
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Term
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Definition
| cytokines and contains lymphocytes and macrophages. |
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Term
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Definition
| stratified squamous epithelium, outermost layer, living cells put out from the base, die and becoming keratinized |
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Term
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Definition
| Functional later, contains capillaries, nerves, hair follicles, sweat glands, and sebaceous glands. |
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Term
| Subcutaneous tissue connects what? |
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Definition
| skin with muscle tissue, insulates, and cushions. |
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Term
| Normal skin flora is present where? |
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Definition
| Epidermis and hair shafts. Usually don't invade unless skin is damaged. (Opportunistic Pathogens) |
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Term
| What are the common groups of normal skin flora? |
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Definition
Diphtheriods (Gram+ rods) bacterium species
Staphylococci (coagulase -) micrococcus species
Fungi, generally yeasts, in and on the epidermis |
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Term
| What are three common hair follicle infections? |
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Definition
Folliculitis; single hair follicle
Furuncle; deeper hair follicle
Carbuncle; furuncles merge to form several sites of draining pus |
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Term
| Bacterial skin infections are usually caused by what? |
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Definition
| Staphylococcus aureus or streptococcus pyogenes. |
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Term
| How are bacterial skin infections classified? |
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Definition
By depth of involvement.
Superficial; impetigo.
Deeper; hair follicle
Toxic-mediated; scalded skin syndrome. |
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Term
| A remote site that makes an epidermolytic toxin causes the outer epidermis to separate and peel off leaving the underlying layer red. |
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Definition
| Staphylococcal Scalded Skin Syndrome |
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Term
Infection of the outermost living layer of the epidermis, often on face. Often resolves by itself, can spread/be contagious.
Can be a concern if causes by S. pyogenes. (scarlet fever) |
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Definition
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Term
| Mainly hospital acquired, but a new strain of community acquired is common in younger people. *athlete settings. Easily treated if recognized. |
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Definition
| Methicillin-Resistant Staphylococcus (MRSA) |
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Term
| What is Lyme disease caused by and what is its host? |
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Definition
| Borellia burgdorferi, a spriochete; white-footed mouse. |
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Term
| What is Lyme disease carried by and what is its host? |
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Definition
| Ixodes scapularis (black-legged) ticks; deer. |
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Term
| Found in Northeast US and Wisconsin. Primary infection forms erythema migrans at the bits (annular rings). |
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Definition
| Lyme disease (insect born infection) |
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Term
| What is Lime diseases secondary infection? |
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Definition
| Central nervous systems, cardiac symptoms, arthritis. |
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Term
| What is the insect borne infection Rocky Mountain Spotted Fever? |
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Definition
| An infectious disease caused by Rickettsia rickettsii, carried by wood ticks. The actual infection is in the vascular endothelium. |
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Term
| What does Rocky Mountain Spotted Fever cause? |
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Definition
| Inflammation and clotting, spotted skin rash. |
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Term
| In same group as herpes, spread by respiratory route. Reactivation of this infectious disease is shingles (zoster) |
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Definition
| Varicella (chicken pox) -viral skin infection |
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Term
| What is the difference of chicken pox as an adult vs. a child? |
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Definition
| pneumonia; mild febrile illness with vesicular rash. (can be fatal) |
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Term
| Initially an upper respiratory infection, followed by a forming of a fine macular rash on trunk and Koplick's spots in the mouth. |
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Definition
| Rubeola (measles) viral skin infection |
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Term
| What complications can measles have? |
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Definition
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Term
| Rubella, the German measles, have what kind of symptoms? |
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Definition
| Mild fever, respiratory tract cold symptoms, faint rash of the chest. (can cause birth defects in fetus if pregnant) |
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Term
| Direct infection of the skin causing warts or tumors of the skin that can spread. |
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Definition
| Human Papillomavirus - viral skin infection |
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Term
| Some types of Papillomavirus are associates with what type of cancer? |
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Definition
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Term
| What are the symptoms and causes of the common fungal skin infection Dermatophytes? |
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Definition
| infection and inflammation of the outer epidermis, redness and hair loss; causes by Tinea pedis (athletes foot) and Tinea corporis (ringworm/jock itch) |
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Term
| What fungal skin infection can be normal flora in low numbers, it it increases and invades, it causes upper diaper rash, oral thrush, or paronychia (nail infection) |
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Definition
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