NTR 454/554 EXAM 2 QUESTIONS AND
CORRECT ANSWERS
A protein in milk that binds iron and inhibits bacterial growth and is also involved in bone
formation and increases bone mineral density is ___
Select one:
a.Lactose synthase
b.IgA
c. Lactoferrin
d.ethylene-diaminetetracetic acid (EDTA) - ANSWER c. Lactoferrin
Pick the TOP THREE populations with the highest prevalence of lactose intolerance
(referred to in the book as low lactose digestion capability).
Select one or more:
a. Spanish
b. Eskimo
c. Apapche
d. Thai
e. Czech
f. Irish - ANSWER d. Thai
b. Eskimo
c. Apapche
Milk may be digested into bioactive peptides that react with opioid receptors, but similar
peptides can be derived from digestion of the protein in...
Select one:
a. Rice
b. Wheat
c. Eastern North Carolina barbeque
,d. Asparagus - ANSWER b. Wheat
Factors that have been proposed as possible mechanisms for higher intake of dairy
product reducing the risk of cancer include ALL of the following EXCEPT:
Select one:
a. Conjugated linoleic acids (vaccenic or rumenic acid) induce apoptosis or cell death in
cancer cells.
b. Vitamin D from fortified milk may protect against colorectal neoplasia by reducing
epithelial cell proliferation and inducing differentiation in target tissues.
c. binding of secondary bile acids and free fatty acids to calcium in the colon to reduce
their toxic effects.
d. high intakes of milk induce cardiovascular disease, the leading cause of death in the
US, so milk consumers die of other causes before cancer has time to develop. -
ANSWER d. high intakes of milk induce cardiovascular disease, the leading cause of
death in the US, so milk consumers die of other causes before cancer has time to
develop.
Higher dairy product intake is linked is linked to lower incidence of high blood pressure
through its increasing the intake of all of the following nutrients EXCEPT
Select one:
a. bioactive peptides.
b. potassium.
c. vitamin E.
d. calcium. - ANSWER c. vitamin E.
The proper order of dairy processing equipment acting on milk from a dairy farm is
Select one:
a. storage silo, fortification and fat balancing, homogenizer/pasteurizer,
clarifier/separator, packaging
b. storage silo, clarifier/separator, fortification, homogenizer/pasteurizer, packaging
c. fortification and fat balancing, homogenizer/pasteurizer, clarifier/separator,
packaging, storage silo
d. storage silo, homogenizer/pasteurizer, clarifier/separator, fortification, packaging -
ANSWER b. storage silo, clarifier/separator, fortification, homogenizer/pasteurizer,
packaging
, Sanitation of milking equipment and storage units on a dairy farm...
Select one:
a. requires disassembly and autoclaving of all parts and milk lines between milking, just
like in the dairy processing plant.
b. makes all surfaces that contact milk totally sterile.
c. is important to keep bacterial counts within the levels needed to sell Grade A milk.
d. is not important because the milk will be pasteurized later. - ANSWER c. is important
to keep bacterial counts within the levels needed to sell Grade A milk.
The strongest evidence for a protective effect of higher intake of dairy products against
cancer risk is related to cancer of the...
Select one:
a. lung.
b. brain.
c. colon.
d. breast. - ANSWER C. colon
When the first Pasteurized Milk Ordinance was published in 1924, milk products
accounted for approximately 25% of all foodborne illness, whereas today milk products
account for less than 1% of all foodborne illnesses.
Select one:
True
False - ANSWER True
Microbial contamination during milking and handling of raw milk can introduce a number
of types of micro-organisms into milk that result in either milk spoilage or human
disease. For each group of organisms, identity the source or significant problems or
characteristics associated with that contamination.
I Lactic acid bacteria: such as Lactococcus, Lactobacillus, Leuconostoc, Pediococcus,
Streptococcus
CORRECT ANSWERS
A protein in milk that binds iron and inhibits bacterial growth and is also involved in bone
formation and increases bone mineral density is ___
Select one:
a.Lactose synthase
b.IgA
c. Lactoferrin
d.ethylene-diaminetetracetic acid (EDTA) - ANSWER c. Lactoferrin
Pick the TOP THREE populations with the highest prevalence of lactose intolerance
(referred to in the book as low lactose digestion capability).
Select one or more:
a. Spanish
b. Eskimo
c. Apapche
d. Thai
e. Czech
f. Irish - ANSWER d. Thai
b. Eskimo
c. Apapche
Milk may be digested into bioactive peptides that react with opioid receptors, but similar
peptides can be derived from digestion of the protein in...
Select one:
a. Rice
b. Wheat
c. Eastern North Carolina barbeque
,d. Asparagus - ANSWER b. Wheat
Factors that have been proposed as possible mechanisms for higher intake of dairy
product reducing the risk of cancer include ALL of the following EXCEPT:
Select one:
a. Conjugated linoleic acids (vaccenic or rumenic acid) induce apoptosis or cell death in
cancer cells.
b. Vitamin D from fortified milk may protect against colorectal neoplasia by reducing
epithelial cell proliferation and inducing differentiation in target tissues.
c. binding of secondary bile acids and free fatty acids to calcium in the colon to reduce
their toxic effects.
d. high intakes of milk induce cardiovascular disease, the leading cause of death in the
US, so milk consumers die of other causes before cancer has time to develop. -
ANSWER d. high intakes of milk induce cardiovascular disease, the leading cause of
death in the US, so milk consumers die of other causes before cancer has time to
develop.
Higher dairy product intake is linked is linked to lower incidence of high blood pressure
through its increasing the intake of all of the following nutrients EXCEPT
Select one:
a. bioactive peptides.
b. potassium.
c. vitamin E.
d. calcium. - ANSWER c. vitamin E.
The proper order of dairy processing equipment acting on milk from a dairy farm is
Select one:
a. storage silo, fortification and fat balancing, homogenizer/pasteurizer,
clarifier/separator, packaging
b. storage silo, clarifier/separator, fortification, homogenizer/pasteurizer, packaging
c. fortification and fat balancing, homogenizer/pasteurizer, clarifier/separator,
packaging, storage silo
d. storage silo, homogenizer/pasteurizer, clarifier/separator, fortification, packaging -
ANSWER b. storage silo, clarifier/separator, fortification, homogenizer/pasteurizer,
packaging
, Sanitation of milking equipment and storage units on a dairy farm...
Select one:
a. requires disassembly and autoclaving of all parts and milk lines between milking, just
like in the dairy processing plant.
b. makes all surfaces that contact milk totally sterile.
c. is important to keep bacterial counts within the levels needed to sell Grade A milk.
d. is not important because the milk will be pasteurized later. - ANSWER c. is important
to keep bacterial counts within the levels needed to sell Grade A milk.
The strongest evidence for a protective effect of higher intake of dairy products against
cancer risk is related to cancer of the...
Select one:
a. lung.
b. brain.
c. colon.
d. breast. - ANSWER C. colon
When the first Pasteurized Milk Ordinance was published in 1924, milk products
accounted for approximately 25% of all foodborne illness, whereas today milk products
account for less than 1% of all foodborne illnesses.
Select one:
True
False - ANSWER True
Microbial contamination during milking and handling of raw milk can introduce a number
of types of micro-organisms into milk that result in either milk spoilage or human
disease. For each group of organisms, identity the source or significant problems or
characteristics associated with that contamination.
I Lactic acid bacteria: such as Lactococcus, Lactobacillus, Leuconostoc, Pediococcus,
Streptococcus
