nutrition test – Flashcards
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Margarine usually is made by a process called , in which hydrogen atoms are added to carbon-carbon double bonds in the polyunsaturated fatty acids found in vegetable oils.
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hydrogenation
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Essential fatty acids that cause a decrease in blood clotting are
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omega-3.
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Cholesterol is
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an important part of human cell membranes and necessary to make some hormones.
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Which of the following groups of foods would be important sources of saturated fatty acids?
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palm oil, palm kernel oil, coconut oil
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Lipoproteins are important for
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transport of fats in the blood and lymphatic system.
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Which of the following foods is the best source of omega-3 fatty acids?
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fatty fish
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Immediately after a meal, newly digested and absorbed dietary fats appear in the lymph, and then blood, as part of which of the following?
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chylomicrons
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High blood concentrations of decrease the risk for cardiovascular disease.
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high-density lipoproteins
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Phospholipids such as lecithin are used extensively in food preparation because they
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are excellent emulsifiers.
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The main form of lipid found in the food we eat is
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triglycerides.
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Dietary fiber
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speeds up transit time for food through the digestive tract.
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When the pancreas detects excess glucose, it releases the
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hormone insulin.
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Cellulose is a(n)
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indigestible fiber.
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Digested white sugar is broken into and .
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glucose, fructose
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Starch is a
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complex carbohydrate.
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Fiber content of the diet can be increased by adding
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fresh fruits, whole grains and cereals.
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Which form of diabetes is most common?
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type 2
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The recommended daily intake for fiber is approximately grams.
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30
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Glucose, galactose, and fructose are
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monosaccharides.
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One of the components of metabolic syndrome is
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diabetes
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The "instructions" for making proteins are located in the
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DNA and RNA genetic material.
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A nutrient that could easily be deficient in the diet of a vegan would be
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calcium.
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If an essential amino acid is unavailable for protein synthesis, th
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synthesis of the protein will stop.
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An example of protein complementation used in vegetarian diet planning would be the combination of
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rice and beans.
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An individual who eats only plant food is referred to as a
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vegan.
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Which of the following groups accounts for the differences among amino acids?
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side chain
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Absorption of amino acids takes place in the
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small intestine.
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Jack is not an athlete and weighs 176 pounds (80 kilograms). His RDA for protein would be grams.
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64
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Which of the following is true about protein intake of people in the United States?
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Most consume more than is needed.
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The basic building block of a protein is called a(n)
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amino acid
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What percentage of calories in a diet should come from carbs?
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45-65 percent
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What is a major source of sucrose?
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Sugar
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How many people die each year from a heart attack in the U.S.?
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631,636
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What are the three types of lipids?
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1.Triglycerides
2. Phospholipids
3. sterols (Cholesterol)
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What is the structure of a Triglyceride?
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3 fatty acids and a glycerol
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Omega 3 is
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linolenic
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Omega 6 is
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linoleic
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What is another name for a phospholipid?
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Lephicin
