Gram negative bacilli: Enteric tract Flashcards
Klebsiella pneumoniae
Enterobacter spp
Serratia marcescens
are all
—– infections
—– resistant
they most often cause —- and ——
- nosocomial infections
- Multidrug resistant
- pneumonia and UTI
Klebsiella pneumoniae
Enterobacter spp
Serratia marcescens
can all ferment ——
lactose
(pink colonies on MacConkey agar)
T or F
Enterobacter is motile
T
Of the three:
Klebsiella pneumoniae
Enterobacter spp
Serratia marcescens
which is not motile
Klebsiella pneumoniae
Serratia produces a —– pigment
red
Klebsiella pneumonia commonly affects —–
Alcoholics
Klebsiella p. commonly creates ——-
Abscesses
Klebsiella is commonly started from ——
Aspiration
Does klebsiella pneumonia have capsules??
Yes, polysaccharide capsules
Patients infected with klebsiella pneumonia cough up—–
currant jelly sputum
T or F
Klebsiella is urease positive
T
Salmonella characteristics
- gram negative rod
- motile
- polysaccharide capsule
- Acid labile
Salmonella is —– within macrophages
Facultative intracellular
Invasive salmonella species cross the intestinal barrier via —–
M cells
salmonella produces —– gas
hydrogen sulfide gas (H2S)
On pectoin agar, salmonella forms —– colonies
black
Typhoidal salmonella consists of 2 types which are:
- salmonella typhi
- salmonella paratyphi
Nontyphoidal salmonella consists of two types which are:
- S. Enteriditis
- S. Typhimurium
Salmonella can cause —- and —- illness
- water and food borne
—- is the primary reservoir of nontyphoidal salmonella
Poultry
T or F
Animal contact can cause nontyphoidal salmonella
T
Illnesses caused by salmonella
- gastroenteritis
- bacteremia
- endovascular infection
- meningitis
- OM
S and S of gastroenteritis
- Fever
- nausea
- vomiting
- diarrhea
- abdominal cramping
Treatment of salmonella
- self limited
- ceftriaxone (3rd gen cephalosporins)