DIT 121: Quizzes
True
The omega-3 fatty acids EPA and DHA, essential for normal growth and cognitive development, are found in fatty fish and small amounts are synethized from the essential omega-3 ,linolenic acid.
False (Margarines containing trans fats contribute saturated fat to the diet.)
All margarines are free of cholesterol and saturated fats if they are made from 100% vegetable oils.
False
All vegetable oils help lower blood cholesterol levels.
True
Kcalories in excess of the body's need for energy, growth or repair are converted to fat and stored as adipose regardless of their food source.
Metabolism
The sum of all chemical processes that go on in the body is called:
Linolenic and linoleic
The two essential fatty acids needed in our diet include:
Saturated
A diet high in _________fat and cholesterol has been implicated as a risk factor in cardio vascular disease.
False (only in animal products)
Cholesterol is found in animal products and tropical oils.
True
Cholesterol is not essential in the diet. We make all the cholesterol we need.
Liver
Cholesterol, a sterol, is synthesized in the body by the...
salmon and herring
D H A & E P A are found in highest concentrations in:
Pyruvate
In the first step of glucose metabolism (glycolysis), a 6-carbon glucose molecule breaks down to a 3-carbon unit called:
Glucose, glycerol, amino acids, and fatty acids
During digestion, the 3 energy-yielding nutrients are broken down to these end products for absorption:
adenosine triphosphate
During metabolism, released energy is captured and transferred by:
acetyl CoA; lactic acid
During the first stage of glucose breakdown, pyruvate may be converted aerobically (with oxygen) to _______________or anaerobically (without oxygen) to _________________.
ketosis
During the later stages of fasting, metabolism slows, appetite is suppressed and the body eventually shifts into a dangerous condition called ____________which is the result of incomplete oxidation of fat acids and lack of carbohydrate.
False
Early fasting results in the immediate use of stored fat for energy.
True
Monounsaturated fats are better for you than saturated fats.
True
Peanut oil, canola oil and olive oil are rich sources of monounsaturated fats.
False
The daily recommendation for processed trans fats in the diet is no more than 10% of total kcalories.
keto acids and ammonia
The deamination of amino acids for energy use results in two products:
False
True or false: Cholesterol is found in all animal products, egg yolk, seafood and tropical oils.
True
True or false: Monounsaturated fats have a beneficial effect on blood cholesterol levels.
False
True or false: Natural peanut butter is high in fat and cholesterol.
True
True or false: Soluble fiber in the diet may help improve blood cholesterol levels.
Fatty acids
What end product of energy metabolism cannot be used to make glucose for the body?
saturated fats
What type of fat in our foods has the greatest impact on increasing blood cholesterol levels?
Restaurant and processed convenience foods
Where do we most often find man- made trans fats in our diets?
