Food Microbiology
Study online at https://quizlet.com/_80n6bu
1. FSIS (Food Safety and Inspection Service) is False
the agency in charge of HACCP regulation for
seafood and juice products
T or F
2. E. coli and coliforms can be used as indicator c. Their growth and numbers have a
microorganisms because: direct positive correlation with prod-
a. Their growth and numbers have a direct neg- uct quality
ative correlation with product quality
b. Their enumeration period is usually fast, and
colonies can be counted after 1 hour of incuba-
tion
c. Their growth and numbers have a direct pos-
itive correlation with product quality
d. they are not good indicators. Your instructor
just loves E. coli
3. Agricultural water and biological soil amend- d. Produce Saftey
ments are requirements for which FSMA rule:
a. Imported Food
b. Preventive Controls for Food for Animal
c. Preventive Controls for Human Food
d. Produce Safety
e. It is not required by and FSMA rule
4. The ability of a given cell to grow size of a the cells physiological state, the
macroscopic colony depends on many things growth medium used, incubation
such as? temperature
5. How many cells are there in one CFU? d. we can't say an exact number; the
a. 10^19 cells assumption is that one colony origi-
b. 1 cell nates from one cell
, Food Microbiology
Study online at https://quizlet.com/_80n6bu
c. 79,000 cells
d. we can't say an exact number; the assump-
tion is that one colony originates from one cell
6. You are given and enriched sample known to b. Molecular method
contain a specific bacterial pathogen. You have
been asked to perform a test for confirmation
of the target pathogen. You know that your
sample contains less than 10^2 CFU/g of that
pathogen. Which method will be more accurate
to confirm this microorganism?
a. Immunological method
b. Molecular method
c. Standard plating
d. Gram stain
7. The main purpose of fermentation for microor- a. Make energy/energy conserva-
ganisms is: tion
a. Make energy/energy conservation
b. Obtain nutrients
c. Change texture of foods
d. Decrease pH of foods
8. A nationwide collaboration that enables all d. National Notifiable Diseases Sur-
levels of public health (local, state, territori- veillance System
al, federal, and international) to share notifi-
able disease related health information. Public
health uses this information to monitor, con-
trol and prevent the occurrence and spread
of state-reportable and nationally notifiable in-
fectious and noninfectious diseases and condi-
tions. This refers to:
, Food Microbiology
Study online at https://quizlet.com/_80n6bu
a. HACCP
b. Healthy People 2020
c. FoodNet
d. National Notifiable Diseases Surveillance
System
9. The CFU per gram values derived from plate intrinsic factors
counts are also influenced by?
10. MPN methods (most probable number) are estimate the MPN of organisms in
used to? a sample when only low levels <30
CFU/ml are present.
11. There is a zero tolerance for which two bacteria E. coli O157:H7 and Salmonella L.
in ready to eat foods? monocytigenes and listeria monocy-
togenes
12. What do growth curve graphs represent? the state of microbial population
rather than individual microbes
13. In a growth curve graph both the lag phase and Represent periods when the growth
stationary phase of growth represent what? rate equals the death rate to pro-
duce no net change in cell numbers.
14. During the lag phase what do the cells do? cells adjust to their environment by
turning genes on or off, replicating
their genes and differentiating into
vegetative cells.
15. What happens to cells in the log/exponential Bacteria reproduce by binary fis-
phase? sion.
(one cell divided into two cells that
Study online at https://quizlet.com/_80n6bu
1. FSIS (Food Safety and Inspection Service) is False
the agency in charge of HACCP regulation for
seafood and juice products
T or F
2. E. coli and coliforms can be used as indicator c. Their growth and numbers have a
microorganisms because: direct positive correlation with prod-
a. Their growth and numbers have a direct neg- uct quality
ative correlation with product quality
b. Their enumeration period is usually fast, and
colonies can be counted after 1 hour of incuba-
tion
c. Their growth and numbers have a direct pos-
itive correlation with product quality
d. they are not good indicators. Your instructor
just loves E. coli
3. Agricultural water and biological soil amend- d. Produce Saftey
ments are requirements for which FSMA rule:
a. Imported Food
b. Preventive Controls for Food for Animal
c. Preventive Controls for Human Food
d. Produce Safety
e. It is not required by and FSMA rule
4. The ability of a given cell to grow size of a the cells physiological state, the
macroscopic colony depends on many things growth medium used, incubation
such as? temperature
5. How many cells are there in one CFU? d. we can't say an exact number; the
a. 10^19 cells assumption is that one colony origi-
b. 1 cell nates from one cell
, Food Microbiology
Study online at https://quizlet.com/_80n6bu
c. 79,000 cells
d. we can't say an exact number; the assump-
tion is that one colony originates from one cell
6. You are given and enriched sample known to b. Molecular method
contain a specific bacterial pathogen. You have
been asked to perform a test for confirmation
of the target pathogen. You know that your
sample contains less than 10^2 CFU/g of that
pathogen. Which method will be more accurate
to confirm this microorganism?
a. Immunological method
b. Molecular method
c. Standard plating
d. Gram stain
7. The main purpose of fermentation for microor- a. Make energy/energy conserva-
ganisms is: tion
a. Make energy/energy conservation
b. Obtain nutrients
c. Change texture of foods
d. Decrease pH of foods
8. A nationwide collaboration that enables all d. National Notifiable Diseases Sur-
levels of public health (local, state, territori- veillance System
al, federal, and international) to share notifi-
able disease related health information. Public
health uses this information to monitor, con-
trol and prevent the occurrence and spread
of state-reportable and nationally notifiable in-
fectious and noninfectious diseases and condi-
tions. This refers to:
, Food Microbiology
Study online at https://quizlet.com/_80n6bu
a. HACCP
b. Healthy People 2020
c. FoodNet
d. National Notifiable Diseases Surveillance
System
9. The CFU per gram values derived from plate intrinsic factors
counts are also influenced by?
10. MPN methods (most probable number) are estimate the MPN of organisms in
used to? a sample when only low levels <30
CFU/ml are present.
11. There is a zero tolerance for which two bacteria E. coli O157:H7 and Salmonella L.
in ready to eat foods? monocytigenes and listeria monocy-
togenes
12. What do growth curve graphs represent? the state of microbial population
rather than individual microbes
13. In a growth curve graph both the lag phase and Represent periods when the growth
stationary phase of growth represent what? rate equals the death rate to pro-
duce no net change in cell numbers.
14. During the lag phase what do the cells do? cells adjust to their environment by
turning genes on or off, replicating
their genes and differentiating into
vegetative cells.
15. What happens to cells in the log/exponential Bacteria reproduce by binary fis-
phase? sion.
(one cell divided into two cells that
