Nutrition Chapter Five Quiz – Flashcards
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Which of the following is true about trans fatty acids found in hydrogenated fats?
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When consumed, they can raise serum LDL cholesterol.
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The plant stanols/sterols, also called phytosterols, work by
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reducing cholesterol absorption in the small intestine and lowering its return to the liver.
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In terms of heart disease risk, which of the following is true?
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As LDL cholesterol levels increase there is an increased risk.
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Cardiologists and other healthcare professionals recommend that people who are at elevated risk for developing cardiovascular disease adopt an "anti-atherosclerotic" lifestyle to help prevent atherosclerosis. Which of the following is a component of an anti-atherosclerotic lifestyle?
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Diet low in saturated fat and trans fat
All of the above are components of an anti-atherosclerotic lifestyle.
Consumption of fruits and vegetables high in antioxidants
Smoking cessation
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The Dietary Guidelines for Americans recommend getting no more than ______ percent of your total kilocalories from fat.
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35
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Regina is a 22-year-old college student who plays on the soccer team. Her coach brought in a registered dietitian to talk about sports nutrition. The RD recommended minimizing trans fatty acids from processed and packaged foods, but she explained that some trans fats do occur naturally. What foods have naturally-occurring trans fatty acids?
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Beef, milk, and butter
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Olive oil contains abundant amounts of which type of fatty acid?
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Monounsaturated
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Hydrogenation produces what kinds of fat?
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Trans fatty acids
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After chylomicrons leave the intestinal cells, they are transported via what system?
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Lymphatic
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Which of the following would you buy if you wanted the highest polyunsaturated fatty acid content?
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Liquid, squeezable margarine, made from safflower oil
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Which lipoprotein is responsible for picking up cholesterol from dying cells and other sources so it can be transported back to the liver for excretion?
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High-density lipoprotein
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A saturated fatty acid contains
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no double bonds.
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The major fat-digesting enzyme is
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pancreatic lipase.
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A monounsaturated fatty acid contains
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one double bond.
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If a fat contains mostly saturated fatty acids, it is likely to be ________ at room temperature.
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solid
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The safest way to get measurable heart disease risk-reducing benefits from consuming omega-3 fatty acids, would be to
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eat oily fish, such as salmon, 2 times a week.
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Which of the following is true about cholesterol?
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It is found only in animal products.
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The major dietary factor to be concerned about in relation to heart disease is
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saturated fat.
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The main regulator of blood cholesterol levels is the
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liver.
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She explains that mayonnaise is made using oil, salt, vinegar (or lemon juice), and egg yolks. Lecithin in the egg yolks acts as an emulsifier. What is an emulsifier
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An emulsifier suspends fat in water.
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Eating a diet high in trans fatty acids has been shown to increase circulating levels of LDL. Why do food manufacturers use trans fatty acids like partially-hydrogenated vegetable oils in packaged and processed foods?
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Trans fatty acids increase a food's shelf life.
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Which of the following contains a rich supply of omega-3 fatty acids?
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Salmon
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In which form are most dietary lipids found?
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Triglycerides
