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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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a. Inhabits soil, water decaying matter and common occupants of animal bowels
b. Most frequent cause of diarrhea through enterotoxins c. Enterics and P.a. account for about 50% of nosocomial infections |
Enterics aka Enterobacteriaceae
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ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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COLIFORMS
a. Enterotoxigenic – sever diarrhea b. Enteroinvasive – large intestine inflammatory disease c. Enteropathogenic – wasting infantile diarrhea – greatest cause of mortality among infants d. Enterohemorrhagic – hemorrhagic syndrome and kidney damage (O157:H7) e. 70% of traveler’s diarrhea f. Coliform count/Fecal coliform count in water |
1. Escherichia coli- most prevalent enteric bacillus
COLIFORMS |
ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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WHAT ARE THESE NON SPORE FORMING GRAM NEGATIVE RODS?
a. Klebsiella pneumoniae b. Enterobacter sp. c. Citrobacter sp. d. Serratia marcescens |
COLIFORMS
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ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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a. Strong virulence factors
b. Not a normal human flora c. Some gastrointestinal effects d. Typhoid fever i. carriers e. Animals are often the source |
Salmonella
NONCOLIFORM GRAM NEGATIVE ENTERICS |
ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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a. Incapacitating dysentery
b. Human parasites |
Shigella
NONCOLIFORM GRAM NEGATIVE ENTERICS |
ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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a. The plague
b. Flea vectors c. Usually rodent reservoir d. ID is 3- 50 bacilli e. Bubonic |
Yersinia pestis
NONCOLIFORM GRAM NEGATIVE ENTERICS |
ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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THREE TYPES OF PLAGUE
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i. Bubonic –
ii. Black – iii. Pneumonic – |
ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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Bubonic PLAGUE
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bacillus multiplies in flea bite and enters lymph node
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ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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BLACK PLAGUE
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enters the blood stream and creates subcutaneous hemorrhaging resulting in black appearance
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ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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PNEUMONIC PLAGUE
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localized to lungs, highly contagious
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ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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a. Difficult to grow in laboratory
b. Once thought to cause the flu |
Haemophilus
( once called aka Haemophilus influenza) |
ENTEROBACTERIACEAE - NON-SPORE FORMING GRAM NEGATIVE RODS
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