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Pathogens
Bacteria
| Question | Answer |
|---|---|
| Staph scalded skin syndrome, impetigo, folliculitis, furuncles, carbuncles, staph toxic shock syndrome, empyema, osteomyelitis; Protein A, bound coagulase, hyaluronidase,staphylokinase, lipases, beta, binds to IgG and inhibits complement; methicillin drug | Staphylococcus aureus |
| pharyngitis, scarlet fever, pyoderma, erysipelas, toxic schock-like syndrome, necrotizing fasciitis, rheumatic fever, glomerulonephritis; Lancefield,proteinM, streptokinase; penicillin G, respiratory droplets | Streptococcus pyogenes |
| Puerperal fever, neonatal bacteremia, meningitis, pneumonia; resistant to bactitracin, positive on CAMP test,often infects newborns, | Streptococcus agalictiae |
| Pharyngitis, glomulonephritis | Streptococcus equisimilis |
| dental caries, meningitis, endocarditis | streptococcus mitis streptococcus sanguis (viridans) |
| pneumococcal pneumonia, sinusitis, otitis media, pneumococcal meningitis; leading cause of death before antibiotics, Quellung test, polysaccharide capsule, destroys IgA,treated with penicillin and pneumovax, | Streptococcus pneumoniae |
| bacteremia, endocarditis, wound infections, vancomycin resistant | Enterococcus faecalis |
| bacteremia, endocarditis, wound infections, vancomycin resistant | Enterococcus faecium |
| gastrointestinl anthrax, cutaneous anthrax, inhalation anthrax; spores survive for decades, eschar, treat with cyproflaxacin | Bacillus anthracis |
| Gas gangrene, treat with penicillin and hyperbaric oxygen | Clostridium perfringens |
| pseudomembrane colitis | clostridium difficile |
| Botulism, infant infection involved with honey consumption, 3 types: Food-borne, infant, wound | clostridium botulinum |
| tetanus (lockjaw), spasms and contractions that can result in death because patients can’t exhale, DPT or DT vaccine | clostridium tetani |
| meningitis, treat with ampicillin | listeria monocytogenes |
| primary atypical pneumonia (walking pneumonia) | mycoplasma pneumoniae |
| pelvic inflammatory disease | mycoplasma hominis |
| diphtheria,lysogenic, pseudomembrane, treat with Penicillin and erythromycin and with DPT vaccine | corynebacteria diphtheriae |
| tuberculosis, waxy mycolic acid, #3 caus of death in infectious disease and #1 from a single organism, contains cord factor, isoniazid, Pasteurization of milk and the isolation of infected patients in sanatoriums, reduced the incidence of TB in the U.S. | mycobacterium tuberculosis |
| leprosy, waxy mycolic acid; 2 types: Tuberculoid and lepromatous, treat with dapsone and rifampin and clofazimine | mycobacterium leprae |
| mycobacterial infection; associated with AIDS, waxy mycolic acid | Mycobacterium avium-intracellulare |
| Buruli ulcer, waxy mycolic acid, teat with skin grafts | Mycobacterium ulcerans |
| acne | propionobacterium acnes |
| pulmonary, cutaneous infections, pneumonia, mycetoma, Partially acid-fast to acid-fast soil bacilli; may cause a TB-like disease. | Nocardia ateroides |
| dental caries, Anaerobic gram-positive filamentous soil bacilli; oral opportunists. | actinomyces |
| most common organism on the skin; oportunistic | staphylococcus epidermidis |
| Responsible for food poisoning in cooked foods such as rice, beans, and potato dishes. Symptoms like Staphylococcal food poisoning. | bacillus cereus |
| Produces bacitracin | B. subtilis |
| Causes epidemics of swine erysipelas. Erysipeloid is characterized by dark red lesions that burn and itch. Treated with penicillin or erythromycin. | Erysipelothrix rhusiopathiae |
| TB-like disease (milder) | Mycobacterium Kansasii |
| Post-surgical skin infections | Mycobacterium fortuitum |
| Localized skin infections, swimming pool granuloma | Mycobacterium marinum |
| Scrofula (ulcerating, draining cervical lymph nodes | Mycobacterium scrofulaceum |
| Filamentous branching gram-positive soil bacilli; make most of our antibiotics. | Streptomyces |