Communicable Disease Quiz 2

Front 1

Give a general description of the family Enterobacteriaceae

Back 1

-Found in intestines
-Gram negative, nonspore forming rods
-Aerobic and facultative anaerobes
-Grows well in foods
-Resistant in many medias
-Killing method of 165 degree F or higher

Front 2

What species is an indicator organism?

Back 2

E. coli

Front 3

How many subdivisions of Enterobacteriaceae are there?

Back 3

5 tribes, 12 genera

Front 4

What are the four main tribes important in sanitation and disease?

Back 4

1. Escherichieae
2. Salmonelleae
3. Proteeae
4. Yersiniae

Front 5

How is Salmonelloses transmitted?

Back 5

By feces and urine

Front 6

Is Salmonelloses rare today?

Back 6

Yes

Front 7

Who discovered Salmonella?

Back 7

Eberth

Front 8

Does Salmonella have short or long survival periods?

Back 8

Long

Front 9

Can you die of Salmonella?

Back 9

Yes, usually due to complications

Front 10

What two types of carriers of Salmonella are there?

Back 10

1. Temporary
2. Permanent convalescent

Front 11

How is an enteric infection transmitted?

Back 11

-Discharged into feces
-Gain entrance into the mouth
-Comes from previous carrier or case

Front 12

Where can you mostly find enterbacteriaceae?

Back 12

Flies, filth, milk, food and water

Front 13

How is an enteric infection diagnosed?

Back 13

Via feces examination

Front 14

What food infection causes paratyphoid fever?

Back 14

Salmonella spp.
(A mild to fatal disease)

Front 15

What are the signs of a food infection?

Back 15

-Fever is always present
-There is an increase in the incubation period

Front 16

Which bacteria forms a potent endotoxin?

Back 16

Shigellosis

Front 17

Which bacteria causes Bacillary dysentery and destroys epithelial cells?

Back 17

Shigellosis

Front 18

What are the four main groups of Shigellosis?

Back 18

1. Sh. dysenteriae
2. Sh. flexneriae
3. Sh. sonnei
4. Sh. boydii

Front 19

Which group of shigellosis is the most severe?
Least severe?

Back 19

Most: Sh. dysenteriae
Least: Sh. boydii

Front 20

Can Shigella be easily killed?

Back 20

Yes, it is not as resistant as Salmonella

Front 21

How is Shigella transmitted?

Back 21

Fecal to oral route

Front 22

How can Shigella be diagnosed?

Back 22

Via FRESH feces

Front 23

What other factors contribute to the flourishing of Shigella?

Back 23

-Protein rich foods
-Moist foods with a water activity above 0.85
-a pH greater than 4.6

Front 24

Which family causes enteric and UTI's?

Back 24

The Escherichieae family

Front 25

Where is E. coli found?

Back 25

In animals and humans

Front 26

What are the three pathogenic escherichia?

Back 26

1. Enterotoxigenic
2. Enteroinvasive
3. Enteropathogenic

Front 27

Where is E. coli commonly a problem?

Back 27

Childcare facilities

Front 28

Which two groups are of sanitary significance?

Back 28

-The Coliform group (total and fecal)
-The Enteric streptococci

Front 29

By which two species does and infection of the genitourinary tract begin?

Back 29

1. E. coli
2. The Proteeae tribe

Front 30

Where is Proteeae found?

Back 30

Sewage and decomposting organic matter
Also, in infant diarrhea

Front 31

Pseudomonas aeroginosa is most similar to?

Back 31

Proteus

Front 32

Where can P. aeroginosa be found?

Back 32

Hospitals, normal skin in the perianal region, genitourinary openings, and in some dirty ice machines

Front 33

P. aeroginosa is:

Back 33

A highly drug resistant bacteria that causes troublesome infections

Front 34

Vibrio cholera is:

Back 34

-Strongly aerobic, facultative anaerobe, short comma shaped rod
-Is an important and dangerous pathogen

Front 35

What are the symptoms of Cholera?

Back 35

-Intense diarrhea
-Prostration
-Emaciation
-Death within 2-3 days
-Great fluid loss

Front 36

What is the death rate of Cholera?

Back 36

20-50%

Front 37

How is Cholera transmitted?

Back 37

Person-to-person
It is also waterborne

Front 38

Peru, South America and Central America are well known for this infection:

Back 38

Cholera

Front 39

Which strain of Cholera is found only in South America?

Back 39

El Tor strain

Front 40

Which strain of Cholera is found mainly in Asia?

Back 40

0139 strain

Front 41

Vibrio parahemolyticus is associated with:

Back 41

Marine and estuarine waters

Front 42

V. parahemolyticus is a:

Back 42

Halophylic organism

Front 43

Which bacteria is a common cause of diarrhea in humans?

Back 43

Campylobacteriosis

Front 44

C. jejuni is a:

Back 44

Gram negative, comma shaped, short rod

Front 45

Campylobacteriosis resembles which organism?

Back 45

Cholera

Front 46

Campylobacteriosis is seen in which patients?

Back 46

-Active AIDS
-Immunosuppressed

Front 47

Campylobacteriosis portal of entry is:

Back 47

Oral

Front 48

Where can Campylobacteriosis be found?

Back 48

In animals

Front 49

How can one prevent enteric infections?

Back 49

-Being sanitary
-Control carriers
-Good hygiene
-Being precautious