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bacterial diseases
| Question | Answer |
|---|---|
| staphylococcus: type | several species |
| staphylococcus: form | gram positive, aerobic, grape clusters |
| what is staphylococcus epidermidis | normal skin bacteria |
| staphylococcus aureus | pathogenic, yellow colonies, problem in hospitals in wounds, resistant to many drugs |
| streptococcus: form | gram positive, facultative anaerobe, short cocci chains |
| streptococcus pyogenes: illness | strep throat, scarlet fever, rheumatic fever |
| streptococcus: destructive level | highly destructive if bacteria reaches deep layers of tissue |
| necrotizing fasciitis | flesh eating bacteria, 40% mortality rate, destroys tissue faster than surgeons can cut it out |
| what does necrotizing fasciitis attack | skin, muscle, connective tissue |
| botulism: type | clostridium botulinum |
| botulism: form | gram positive, obligate anaerobe, club shaped bacilli |
| botulism blocks | release acetylcholine needed to transmit nerve impulses, relaxes muscle |
| symptoms of botulism | nausea, blurred vision, difficulty swallowing |
| tetanus: type | clostridium tetani |
| tetanus: form | gram positive, obligate anaerobe, club shaped bacilli |
| tetnanus: toxicity | highly toxic, blocks relaxation pathways of muscles so they remain contracted, starts with jaw |
| tetanus: death | death results from spasms of respiratory muscles, vaccine is 100% effective |
| leprosy: type | mycobacterium leprae, related to tuberculosis |
| leprosy: form | doesn't gram stain, aerobic |
| leprosy: infection | skin cells, lives in nerves, causes sensory loss in skin, easy to injure self, lesions on skin |
| leprosy: death | usually results from complications like infections, 200 cases in the US yearly, treat with sulpha drug |