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Food and Nutrition Fats
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Cards (39)
What is fat classified as in terms of nutrients?
Fat is a
macronutrient
.
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Why is fat important for the body?
Fat
is
needed
for a
range
of
functions
including
energy
provision
and
insulation.
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How much energy does 1 gram of fat provide?
1
gram
of
fat
provides
9 kcal
.
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What role does fat play in body temperature regulation?
Fat
insulates
the
body
to
stop
it
losing
heat.
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How does fat protect the body?
Fat
protects
organs
and
bones
against
damage.
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What structural role does fat play in the body?
Fat
forms
the
structure
of
body cells
.
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Which fat-soluble vitamins are provided by fat?
Fat
is a
source
of
vitamins
A
and
D
.
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What are the essential fatty acids provided by fat?
Fat
provides
omega 3
and
omega 6
fatty
acids.
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Why does the body need some fat?
The
body
needs
some
fat
to
meet
its
energy
requirements
.
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What is the maximum percentage of dietary energy that should come from total fat?
No
more
than
35%
of
dietary
energy
should
come
from
total
fat.
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What is the maximum percentage of dietary energy that should come from
saturated fat
?
No
more
than
11%
of
dietary
energy
should
come
from
saturated
fat.
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What
are the two types of
unsaturated
fat?
Monounsaturated
fats
and
polyunsaturated
fats
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What characterizes
monosaturated
fats?
They
have
one
unsaturated
double bond
in
the
molecule
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What characterizes
polyunsaturated
fats?
They
have
more
than
one
double bond
in
the
molecule
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What are common sources of
saturated fat
?
Butter
Eggs
Meat
Dairy products
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What are common sources of
monosaturated
fat?
Vegetable oils
Olive oils
Nuts
Avocado
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What are common sources of polyunsaturated fat?
Oily
fish
(
salmon,
mackerel)
Margarine
Vegetable
oils
Seeds
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What are fats composed of?
Fats
are composed of
fatty acids
.
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What are the two
fatty acids
that the body cannot produce?
Omega 3
and
omega 6
.
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What are
omega 3
and
omega 6
fatty acids classified as?
Essential fatty acids
(EFAs).
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Why must
essential fatty acids
be provided in the diet?
Because the
body
cannot produce them.
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How do
omega 3 fatty acids
benefit heart health?
They help prevent
blood clotting
, protecting the heart.
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What is the relationship between
omega 3 fatty acids
and
cardiovascular disease
(CVD)?
Omega 3 fatty acids can reduce the risk of cardiovascular disease.
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What is a good source of
omega 3
essential fatty acids
?
Oily fish
.
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How can
omega 6
fatty acids
impact blood
cholesterol
?
In moderation, omega 6 can have a positive impact on blood cholesterol.
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What is the effect of
omega 6
fatty acids
on
cardiovascular disease
risk?
Omega 6 can reduce the risk of cardiovascular disease.
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What is a good source of
omega 6
essential fatty acids
?
Vegetable oils
.
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What are the main elements that make up fats?
Carbon
,
hydrogen
, and
oxygen
atoms
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What are the two types of fats discussed in the study material?
Saturated fats
Unsaturated fats
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What are the components that make up fats?
Fats
are composed of
fatty acids
and
glycerol
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How does the combination of molecules determine the type of fat?
The way
fatty acids
and
glycerol
are combined determines if the fat is
saturated
or
unsaturated
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What type of diet is associated with raised blood-cholesterol levels?
A
diet
high
in
saturated fat
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Why is
raised blood-cholesterol
considered a risk factor?
It is
associated
with
cardiovascular disease
(CVD)
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What state are
saturated fats
typically in at
room temperature
?
Saturated
fats
are
solid
at
room
temperature
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From what sources are
saturated fats
mainly
derived?
Animal sources
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What state are
unsaturated fats
typically in at
room temperature
?
Unsaturated
fats
are
typically
liquid
at
room
temperature
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From what sources are
unsaturated fats
mainly derived?
Plant sources
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What have many studies shown about
unsaturated fats
?
Unsaturated
fats
are
better
for
health
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What are the two types of
unsaturated fat
?
Monounsaturated fats
Polyunsaturated fats
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