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Flashcards in Microbiology Deck (187)
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1

Mot common cause of UTI

E. coli

2

Most common cause of infant meningitis

E. coli

3

What infection is caught from raw milk and is especially dangerous for pregnant women and newborns?

Listeria

4

What is the route of transmission of Yersinia pestis?

Rat-flea-man

5

What bacteria is associated with buboes?

Yersinia pestis

6

What bacteria causes severe gastroenteritis and can be caught from shellfish? (3)

Yersinia enterocolitica
Vibrio parahemolyticus
Samonella typhi

7

What bacteria causes pneumonia in immunocompromised patients?

Klebsiella pneumoniae

8

What red colored organism causes UTI in debilitated patients?

Serratia

9

Which of the following is not a lactose fermenter: Proteus, E. coli, Klebsiella, Enterobacter, Serratia

Proteus

10

Which bacteria that produces urease is often associated with UTIs especially after catheterization?

Proteus

11

What species causes typhoid fever?

Salmonella typhi

12

What species causes typhus?

Rickettsia prowazeki

13

Which organism can exist chronically in the gallbladder?

Salmonella tyhpii

14

What organism causes rose colored spots on the abdomen, high fever and possible perforation of the abdomen?

Salmonella typhii

15

What organism, having many animal reservoirs, produces endotoxin and is a common cause of food poisoning in the US?

Salmonella enterides

16

Salmonella choleosius causes what 3 things?

pneumonia, osteomyelitis, meningitis

17

What causes bacillary dysentery?

Shigella dysenteriae

18

What gram pos cocci is catalase positive?

Staph aureus

19

What gram pos cocci is catalase negative?

Strep pneumoniae

20

Compare salmonella and staph food poisoning in terms of incubation period

Staph: 4-8 hours incubation, due to exotoxin production
Strep: 10-28 hours because the cells have to die in order to release the exotoxin

21

What organism causes boils, carbuncles and impetigo?

Staph aureus

22

Two possible organism involved in impetigo are:

staph aureus, streptococcus pyogenes (Group A beta-hemolytic)

23

What type of toxin is responsible for the scalded skin syndrome of staph aureus infection?

Exfoliatin

24

T/F: Staph aureus can be killed with penicillin

False: it secretes penicillinase which destroys penicillin

25

What organism is associated with toxic shock syndrome?

Staph aureus

26

The catalase test is diagnostic for what organism?

staph aureus

27

What organism has hemolysis as a diagnostic feature?

steptococcus

28

What organism is responsible for scarlet fever?

Strep pyogenes

29

What is an important sequelae to know of concerning strep ?

Rheumatic fever

30

Glomerulonephritis can follow what infection?

Strep