Nutrition Chapter 5

25 July 2022
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question
Fatty acids in foods influence the composition of fats in the body.
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True
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According to the USDA Food Guide, most adults should limit meat intake to 5 oz. a day
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True
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Pork loin is an example of a lean cut of meat from which the fat can be trimmed.
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True
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Some ground turkey and chicken products in which the skin is ground in are much higher in fats than lean beef.
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True
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The Mediterranean diet includes an eating style famous for supporting the health of the heart while including foods high in fat.
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True
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A family of organic compounds soluble in organic solvents but not in water is called:
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Lipids
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About 95% of the lipids in foods and in the human body are:
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Triglycerides
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Cholesterol is the best known of the:
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Sterols
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All of the following are found mainly in foods that contain fat except:
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Vitamin C
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Which of the following is not a function of fat in the human body?
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Carries the water-soluble nutrients
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Fatty acids may differ from one another:
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in chain length. in degree of saturation.
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Triglycerides consist of:
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Three fatty acids glycerol
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Which one of the following statements about fatty foods is true?
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fat contributes to satiety, contributing to the feeling of fullness
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If the fat in a container is solid at room temperature, what type of fat is it?
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saturated fat
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Which of the following statements concerning lecithin is not true?
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It has the ability to lower blood cholesterol.
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The role of bile in fat digestion is to:
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emulsify fats in the small intestine.
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DRI recommendations concerning intakes of fats include:
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consume up to 35% of calories as fat. keep saturated fat intake as low as possible.
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The main dietary factor associated with elevated blood cholesterol is:
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high saturated and trans fat intake.
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Which of the following is characteristic of a diet to oppose heart disease?
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Low in trans fat
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Which of the following is not a desirable blood lipid value?
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High LDL
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Characteristics of the essential fatty acids include:
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they must be supplied by the diet they are polyunsaturated fatty acids.
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A deficiency of fatty acids can cause:
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abnormal brain development in infants.
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EPA and DHA are:
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found in the oils of fish.
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Consuming _____ fatty fish meals a week will result in the right balance between omega-3 and omega-6 intakes.
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2
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The best way to increase consumption of omega-3 fatty acids is to:
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consume 2 fish meals per week.
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To protect yourself from consuming too much _____, you would limit your consumption of swordfish, king mackerel, and shark.
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Mercury
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Cooking oils should be stored in tightly covered containers in order to:
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prevent them from becoming rancid. retard the oxidation process.
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Vegetable oils comprise most of the added fat in the diet because:
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fast-food chains use them for frying. food manufacturers add them to processed foods.
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Which of the following is(are) characteristic(s) of spreadable margarines made from polyunsaturated oils?
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Hydrogen is forced into the oil and some of the unsaturated fatty acids accept it. The oil becomes harder after the hydrogen is added.
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BHA and BHT are examples of:
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antioxidants.
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Which of the following statements about trans fatty acids is true?
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They arise when polyunsaturated oils are hydrogenated.
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Foods with hidden fat include:
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coconuts. biscuits.
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Which of the following food groups in the USDA Food Guide always contains fat?
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oils meats, poultry, fish, legumes, eggs and nuts
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What would you tell a person who says "We shouldn't eat fat because all it does is make us gain weight"?
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You are not correct, because fats provide most of the energy to fuel the work of our muscles.
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As you are deciding how much fat to include in your meal, which aspects of its contribution in foods would you want to consider?
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fat in your meal will contribute to satiety, the feeling of fullness after a meal
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Approximately what percent calories from fat would be provided by a bowl of soup containing 200 calories and 99 calories from fat?
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50%
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Which snack would a long-distance hiker prefer to carry as an energy-dense snack?
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granola bar, roasted peanuts, dried apricots (250 calories)
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The major storage form of fats in our body is:
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triglycerides, which are made up of fatty acids and glycerol.
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What does the term "point of unsaturation" mean?
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the area on a fatty acid chain where a hydrogen is missing from the bond
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To determine whether the main type of fatty acid in a fat is saturated or unsaturated the following guidance can be used:
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oils that remain a clear color in the refrigerator are unsaturated.
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Recent recommendations suggest that we consume monounsaturated fats in the place of saturated fat. Which of the following items would achieve this goal?
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canola oil olive oil
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Which of the following fats is the most saturated?
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Coconut oil
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All of the following statements concerning cholesterol are true except:
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it is an essential nutrient.
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Cholesterol is important in nutrition because:
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it is necessary for the production of the emulsifier bile by the liver.
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Which of the following mechanisms is important for the digestion of fat in foods?
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bile in the small intestine emulsifies the fat for enzyme action
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Which of the following statements best describes individuals who have had their gallbladder removed?
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Bile is released directly into the small intestine.
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As fatty acids are absorbed through the intestinal lining for transport through the body, which of the following actions takes place?
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large-chain fatty acids are formed into lipoproteins for transport in the blood
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Fat stored in the body is used as a source of energy when not enough energy is available from food. This process involves:
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dismantling stored fat in fat cells and releasing components into blood.
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Which of the following supports the statement that "you can get fatter on fat calories than on the same number of carbohydrate calories"?
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To be stored as fat, glucose must undergo many chemical conversions in the body and each requires energy. Compared to glucose, fat requires fewer chemical conversions in the body.
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Your diet has been evaluated and you are consuming an average of 2800 calories, 62 grams of saturated fat, and 5 grams of trans fat daily. Are these values within recommendations for heart health?
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no, because the energy from saturated fat is higher than the recommended percentage for saturated fat
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The lipoproteins LDL and HDL are important in heart disease risk because of the following properties and actions:
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HDL play an important role in scavenging cholesterol from the tissues for disposal.
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Which of the following would be the best dietary advice for someone who needs to lower her blood cholesterol levels?
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reduce the intake of saturated and trans fat in your diet to lower LDL levels in the blood
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A 26-year-old male works in a high-stress sales position. He has a family history of premature heart disease and he is physically inactive. How many risk factors for CVD does he have?
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3
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People should not make efforts to reduce their intakes of food cholesterol very stringently because:
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cholesterol-containing foods have a minimal effect on blood cholesterol in most people. cholesterol-containing foods are nutritious and should not be eliminated from the diet.
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When attempting to increase intake of the essential fatty acids it would be best to adjust your diet to:
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increase intake of fish containing EPA and DHA because of heart health benefits.
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Ocean fish has been suggested to provide health benefits if eaten on a regular basis. What would be your recommendation for whether or not to eat fish?
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fatty fish has been shown in studies to be beneficial in reducing blood triglyceride levels
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Research on the benefits of fatty acids and their components has shown that:
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seafood-consuming populations have a lower rate of death from heart disease.
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A woman who is pregnant is concerned about eating fish because of its potential contamination with mercury. What would you tell her about the need for essential fatty acids in her diet?
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it is important for her to find alternative sources of omega-3 fatty acids to provide DHA and EPA for growth and development of her fetus
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If you are considering using fish oil supplements for heart health, you need to consider that:
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fish oil supplements contain high levels of omega-3 fatty acids, which may suppress immune function.
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When you are selecting the type of fish to eat, which of the following should you consider?
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the species of fish chosen for grilled, baked, or broiled dishes contain higher levels of EPA and DHA
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Which of the following words on an ingredient list would alert you to the presence of trans fatty acids in the product?
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hydrogenated vegetable oil shortening
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What is the most accurate statement to make about the process of hydrogenation of liquid vegetable oils?
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oils that have been hydrogenated are more resistant to oxidation that will spoil them and make them rancid
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You see BHA listed in the ingredient list on a food product label. This is an example of:
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an additive. an emulsifier. an antioxidant.
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Current recommendations for heart health are to reduce intake of trans fats in the diet. How would this be best accomplished?
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consume as little trans fat as possible because of the harmful health effects that are similar to saturated fats
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When controlling the fat intake in your diet it is best to use the following suggestion:
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consume about 20 percent of your daily energy from unsaturated fat in foods you eat.
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All of the following provide about 5 grams of pure fat except:
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2 tablespoons sour cream.
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A person eating at a restaurant has selected for his meal a trimmed grilled pork cutlet, tossed green salad with 2 tablespoons of Italian dressing, sweet potatoes with sugar glaze, cheese biscuit, and chocolate mousse for dessert. What comments would you make about the fat contribution of his meal?
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the calorie content of this meal is high because of the invisible fat in the foods
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You are talking with someone who is trying to decrease his intake of saturated and trans fat. Which of the following items would you recommend as a coffee whitener?
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skim milk
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In an effort to lower LDL you would tell someone to:
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use olive oil in the place of saturated fat. use corn oil in the place of vegetable shortening.
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All of the following problems are associated with low-fat diets except:
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they result in nutrient deficiencies.
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The current advice on following a diet to prevent heart disease is to:
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substitute olive oil for saturated and trans fat in spreads and sauces.
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Overall, the diets of the Mediterranean people are:
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low in saturated fat. high in complex carbohydrates and fiber.
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Key heart-healthy foods in the Mediterranean diet include all of the following except:
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margarine.
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Nutrient characteristics of nuts that may lower heart disease risk include:
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they are high in dietary fiber. they contain vitamin E, an antioxidant.
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The most heart-healthy margarines are those:
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which list liquid oil as the first ingredient.
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You are trying to teach someone how to select an appropriate margarine to protect against heart disease. Therefore, you would tell the person to:
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choose one that lists liquid oil as the first ingredient.
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The Mediterranean Diet Pyramid classifies legumes as:
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part of the fruits, vegetables, nuts, and grains group.
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All of the following foods are major contributors of healthful fatty acids except:
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nondairy creamer, which is high in trans fats.
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The benefits of the Mediterranean diet are a result of:
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a combination of vegetables, fruits, legumes, whole grains, and seafoods.