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Is salmonella short lived or long lived?
usually short lived or self-limiting syptoms
What are the common signs/symtoms?
nausea, vomiting, diarrhea
What is the etiological agent of salmonellosis?
How is Salmonella divided?
subdivided into 2400 serotypes/serovars
What 3 things is the division of Salmonella based on?
- Somatic (O)
- Flagellar (H)
- Capsular (K) antigens
What are three other serotypes that are included?
Typhimurium, Typhi, and Enteritidis
What is it normal flora for?
pultry and reptiles
If humans have strains of Sal where is it?
strains will be in gallbladder
Where do organisms live?
inside host cell phagosome
What does inflammation cause?
increased fluid secretion
How does the serovar Typhi mutiply? Via? destroys?
- in marcophages
- via blood
- destroys intestinal Peyer's patches
Campylobacter jejuni is what kind of bacteria? How long to grow?
- gram-negative rod
- 2 hours
What kind of bacteria and thrives in what?
- thives in high CO2
Campylobacter jejuni causes what?
- usual GI symptoms
- ulceration of mucosal surface of jejunum
- most common cause of diarrhea
The serotype that is associated with another disease?
- O:19 associated with Guillain-Barre
- neoro symptom
Listeria monocytogenes is what kind of bacteria and causes what?
- gram + rod
- causes flu-like
- gastroenteritis--> sepsis
What else can Listeria monocytogenes cause?
What food is Listeria monocytogenes seen in?
What does the value 1 mean for intervals?
- It should not cross 1 and is not significant
Rotavirus is the etiological agent for what?
gastroenteritis in infants and children <5 y/o
Norwalk virus is the etiological agent for what?
older children and adults
How many Hep viruses are there?
6 known kinds
What is the classical symtom caused by Hep?
- jauncide: 6 other signs/symptoms
- fatigue, fever, wt loss, R abd pain, dark urine, and clay colored feces
How are A&E Hep spread?
through fecal-oral route
How are B, C, and D spread?
blood and semen
Which is the only Hep with reverse transcriptase?
Which Hep viruses actually causes Hepatitis?
Pts with _ and _ Hep can be asymptomatic carriers. They may cause what?
- B and C Hep virus
- cirrhosis or liver cancer
Giardia lamblia is what kind disease?
How many nuclei?
How many forms are there?
- protozoan disease
- 2 central nuclei
- 2 forms
What are the 2 forms for Giardia lamblia?
- Cyst- inactive; chitin
Cyst form of Giardia lamblia attaches how?
to the villi
Cryptosporidium parvum is what kind of disease? structure? Seen in what kind of pts
- protozoan disease
- oocye with 4 banana-shaped sporozoites
- Immunocompromised pts
Cryptosporidium parvum attached how?
to intestinal epithelium
Cryptosporidium parvum resistant to what?
chlorine and ozone
Disease where pts can be asymtomatic carriers
- Hep B and C
- Cryptosporidium parvum
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