Water Bacteriology Flashcards
1
Q
water bacteriology is the testing for?
A
presence of coli forms
2
Q
A
3
Q
if there is contamination, it indicates?
A
fecal contamination
4
Q
intestinal pathogens particularly those that cause?
A
typhoid fever and bacillary dysentery
5
Q
bacterias that are bacillary dysentery
A
- E. coli
- E. aerogenes
- Shigella
6
Q
coliforms are facultatively anaerobic rods which ferment?
A
lactose to acid and gas
7
Q
3 tests
A
- presumptive
- confirmed
- completed
8
Q
series of lactose broth tubes are inoculated with measured amounts of the water sample to be tested
A
presumptive
9
Q
presumptive evidence for the presence of coliforms
A
gas production
10
Q
MPN of coliforms in 100 ml of the water sample can be estimated by?
A
number of positive tubes
11
Q
A