Soilborne bacterial diseases
Terms
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- Give agent and description of anthrax
-
Bacillus anthracis --Gram positive sporeforming bacteria
rod - How do humans aquire anthrax???
-
workers who tan hides
inhale spores
sheep goats horses
contamination in meat - What is mortality rate of anthrax??
- 80 %
- Symptoms of anthrax are ______???
-
Pulmonary anthrax-severe blood infection with extensive hemorraging
Skin anthrax--boil like lesions covered with black crusts
intestinal anthrax-diarrhea with blood - What is treatment for anthrax???
-
Penicillin
Vaccine has been made for animals -from an attenuated strain of B. anthrax
for people 6 inoculations over 18 month period. - How many cases of anthrax???
- 12 cases from 1980 to 2000
- Agent for Tetanus
-
clostridium tetani
Gram positive anaerobic sporeforming bacillus - describe how tetanus is gotten??
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Not highley invasive
spores enter deep wounds
then germinate and make exotoxin-neurotoxin - Name bad toxin in tetanus
- tetanospasmin-- blocks relaxation pathway that follows muscle contraction
- How fast do symptoms come on in tetanus
-
within hours
muscle stiffness
trismus or lockjaw
fixed smile
arching of back - Treatment for tetanus and immunizatioin???
-
sedatives
muscle relaxants
dark rooms
penecillin
antitoxin
immunize by DTap (diptheria-tetanus-acellular-pertussis)toxoid - Give agent of Gas gangrene and description
-
clostridium perfringens(also the agent in clostridial food poisoning)
G + anaerobic sporeforming bacillus - Define dry gangrene
- blood flowm blocked by dead tissue and skin color turns to black or purple.oftn body part removed
- define moist gangrene
- occurs when soilborne bacteria(clostridium perfringes)from soil gets in wound ferments muscle carbo. and putrefying proteins.Large amounts of gas tear tissue apart----Also secretes Lecithinase
- Symptoms of gas gangrene???
- intense pain, swelling,foul odor,anemia,possible heart and nerve damage from toxins
- Treatment for Gas gangrene
-
hyperbaric chamber
antibiotics
debridement
amputation