Bacteria 3

Question 1

Top pathogen contributing to domestically acquired food borne illnesses?

Answer 1

Norovirus

Question 2

Top pathogen causing food borne illness that results in hospitalization?

Answer 2

Salmonella

Question 3

Top pathogen causing food borne illness that results in death?

Answer 3

Salmonella

Question 4

Danger of Listeria and E.coli O157:H7?

Answer 4

Less common but cause fatal disease

Question 5

Incubation time for ingestion of enterotoxins?

Answer 5

Hours

Question 6

Incubation time for infection by colonizing toxigenic organisms?

Answer 6

1-3 days

Question 7

What happens to incubation time if enteropathic bacteria invade the gut wall?

Answer 7

Extended by days-weeks

Question 8

How do enteropathic bacteria adhere to mucosal cells?

Answer 8

Pili and flagella

Question 9

What enterotoxin produces T-cell super antigens?

Answer 9

Staph enterotoxins

Question 10

Which enterotoxin produces cytotoxins?

Answer 10

Shiga toxins via Shigella and E.coli O157:H7

Question 11

Which enterotoxin produces secretagogue toxin?

Answer 11

Vibrio cholerae

Question 12

What happens after invasion and cytolysis of enteropathic bacteria?

Answer 12

Bloody diarrhea or dysentery

Question 13

Clinically what causes a local disease from absorbed toxin?

Answer 13

Staph

Question 14

Clinically what causes a systemic disease from absorbed toxin?

Answer 14

Botulism, o157:H7

Question 15

What causes secretory diarrhea?

Answer 15

Cholera

Question 16

What causes dysentery?

Answer 16

Shigella

Question 17

what causes systemic illness?

Answer 17

Typhoid fever

Question 18

What is Dysentery?

Answer 18

Loose stool+ Blood + leukocytes

Question 19

At what point does Diarrhea become dysentery?

Answer 19

Mucosal invasion

Question 20

What does Coliform mean?

Answer 20

Lactose fermenting

Question 21

What is enterotoxin e.coli?

Answer 21

Watery traveler’s diarrhea

Question 22

What is enterohemorrhagic e.coli?

Answer 22

Severe bloody colitis from o157:H7

Question 23

What is enteroaggregative E.coli?

Answer 23

Pediatric diarrhea in impoverished nations

Question 24

Source of enterohemorrhagic E.coli

Answer 24

Cattle and beef products

Question 25

What is the dose size of enterohemorrhagic E.coli?

Answer 25

Small infectious dose of

Question 26

How long does enterohemorrhagic E.coli last?

Answer 26

8 days

Question 27

What does hemolytic uremic syndrome cause?

Answer 27

Acute renal failure via obstruction of glomeruli by microthrombi

Question 28

How is Shigella spread?

Answer 28

Fecal/oral transmission, daycare centers

Question 29

Does Shigella cause bacteremia to distant organs?

Answer 29

No

Question 30

How large of a dose is needed to cause infection?

Question 31

Pathogenesis of Cholera?

Answer 31

Enterotoxin causes secretion of isotonic fluid

Question 32

What type of lesions does Cholera cause?

Answer 32

Non invasive

Question 33

How does the stool look in cholera?

Answer 33

Rice water

Question 34

What are the 3 types of Salmonella disease?

Answer 34

1) Typhoid 2) Enteric fever 3) Salmonella food poisoning

Question 35

What does Typhoid infect?

Answer 35

Peyer's patches

Question 36

Most common Salmonella?

Answer 36

S. enteritidis and S. typhimurium

Question 37

Turtles are disgusting

Answer 37

They are all infected with Salmonella and pass it in feces

Question 38

Salmonella can cause what in children with sickle cell anemia?

Answer 38

Osteomyelitis and sepsis

Question 39

Does Salmonella produce enterotoxin?

Answer 39

No

Question 40

Where does Salmonella multiply?

Answer 40

Neutrophils and macrophages

Question 41

Rose spots indicative of whaT?

Answer 41

Typhoid fever

Question 42

What is associated with Guillain barre?

Answer 42

Campylobacter jejuni

Question 43

What does stool look like in Campylobacter jejune?

Answer 43

Foul smelling with blood or exudate

Question 44

Clostridium gram + or -?

Answer 44

+

Question 45

Clostridium tetani most commonly associated with what?

Answer 45

Puncture wounds

Question 46

What is the neurotoxin of Tetanus?

Answer 46

Tetanospasmin

Question 47

What do you get from raw seafood?

Answer 47

vibrio vulnificus or vibrio parahaemolyticus