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MedMicro Heritage

Ch 19 Skin dieseases

Staphylococcus aureus is the causative agent of which of the following? a. Impetigo b. Ringworm c. Acne d. Bartonellosis Impetigo
Which of the following is caused by the fungus known as a dermatophyte? a. Erypsiles b. Ringworm c. Necrotizing fasciitis d. Lyme diesease Ringworm
The predominant etiology or cause of acne is? Priopionibacterium acne
Burn wounds can contain cultures of all the following except? a. Staphylococcus aureus b. Pseudomonas aeruginosa c. Priopionibacterium acne d. Enterococcus sp. Priopionibacterium acne (no oil or sebum to feed on due to burn)
Rickettsia rickettsee is the causative agent of? a. Rocky Mountain Spotted Fever b. Lyme disease c. Herpes simplex1 d. Ringworm Rocky Mountain Spotted Fever
The vector transmitting Rickettsia rickettsii is? a. Hard ticks b. Fleas c. Kittens d. Yellow bellied sap suckers Hard ticks
Rickettsia rickettsii is a? a. Anaerobic, Gram - obligate intracellular bacterium b Aerobic, Gram - facultative intracellular bacterium c. Anaerobic, Gram + obligate intracellular bacterium d. Aerobic, Gram - obligate intracellular bacterium. Aerobic, Gram - obligate intracellular bacterium.
Staphylococcus aureus grows very well in/on diverse anatomical sites, partially because its? a.obligate anaerobic Gram-coccus b.facultative anaerobic Gram-coccus c.obligate anaerobic Gram+coccus d.facultative anaerobic Gram+coccus facultative anaerobic Gram + coccus.
Ringworm is a? a. Fungal infection b. Parasitic worm infection c. Viral infection d. Bacterial infection Fungal infection
Warts are caused by? a. Papilloma virus b. Retrovirus c. Poxvirus d. Parvovirus Papilloma virus
HPV strains linked to cervical cancer are? 16 & 18
Gardasil is a vaccine which protects against? HPV
Staphylococcal scalded skn syndrome affects? Infants
Impetigo is caused by? Staphylococcus aureus and Staphylococcus pyrogenes.
Cutaneous Anthrax is treated with? Ciprofloxacin
Chromoblastomycosis (wound mycosis) is caused by? a Ascomycete.
Bartonella henselae is transmitted by? Kittens and fleas.
Rocky Mountain Fever is most common in? The Appalachian Mountains.
Smallpox was eradicated in 1972 due to? A worldwide vaccination program.
Treatment of smallpox consists of? Vaccination and supportive care.
A 6 yr old in ER, fever/nausea 24hrs, exam reveals scraped knee w/lg red rash surrounding. Warm to touch and child screams in pain. What is the diagnosis? Necrotizing Fasciitis or Clostridium infection? why? Necrotizing Fasciitis. Not Clostridium, because anaerobic (means no oxygen)conditions not met. Not a deep wound.
What treatment should one begin for Necrotizing Fasciitis? Clindamycin and Penicillin.
What is the organism that causes a Pseudomonas infection? Pseudomonas aeruginosa.
What organism is the causative agent for Necrotizing Fasciitis? Staphylococcus pyogenes.
Microbiologically Staphylococcus aureus is? (Gram?) +, facultative anaerobic, coccus.
Patient at UW Regional Burn Center, Harborview, battles major infection. Exam reveals blue-green discoloration to bandages and faint odor of grapes in room. (No fruit baskets allowed in room) What is the diagnosis? Pseudomonas infection.
What is the cause of discolored bandages in Pseudomonas infection? Massive infection, pyocynanin discoloration.
Why is it difficult to treat Pseudomonas? It is resistant to multiple drugs and disinfectants.
How was the infection to get a foothold in patient? Pt. was Immuno-compromised due to burn area. (easy access)
45 yr wo complains of several sores on her arm which bother her when she knits, prize winning rose gardener. Exam reveals series ulcerative lesions following lymph system up her arm. Most likely the diesease(diagnosis) is? Rose gardeners diesease. (Lymphocutaneous sporotrichoses)
The causative agent of (wound mycoses) Rosegardeners diesease is? Sporothrix.
Created by: ValdezS1