HEALTH RESEARCH
Fats Quiz
What Do You Know About Fats?
Fat is 1 of the 3 main components of food, along with carbohydrates and protein. It’s important to a healthy diet – but only in modest amounts. And not all types of fat are healthy. Find out more about fat by taking the following quiz.
1. Which of these food types is the main dietary cause of high cholesterol in the blood?
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Although it might seem that the cholesterol in your diet would have the greatest impact on your blood levels of cholesterol, that's not true, the American Heart Association (AHA) says. Saturated fat is the main culprit. Saturated fat is found in foods from animals and in some plant foods. Animal sources include beef, veal, lamb, pork, poultry and whole milk dairy products. (Cholesterol is also found in these foods.) Plant foods that contain saturated fat include coconut, palm and palm kernel oils and cocoa butter. High cholesterol levels are a risk factor for heart disease.
2. If you have a normal cholesterol level, what percentage of your total daily calories can come from saturated fat?
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Your total fat calories should be no more than 30% of all the calories you eat each day. If you have heart disease or a high level of LDL ("bad") cholesterol, you may need to restrict your saturated fat to 5% to 6%, the AHA says. Limiting fat shouldn't be the sole focus of a healthy diet, however. Total calories are also important. To avoid weight gain, you must balance the number of calories you consume with the number of calories you expend in exercise and other daily activity
3. Monounsaturated fats may help lower your blood cholesterol levels. Which of these is a monounsaturated fat?
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Other examples of monounsaturated fats are olive and peanut oils. Avocados also contain monounsaturated fats. Safflower, soybean, and walnut oils are polyunsaturated fats. Both of these types of fat come from plants, and both may help lower your cholesterol levels. Each gram of fat contains 9 calories, compared with 4 calories for each gram of carbohydrate or protein. Any fat should be used in moderation to keep your weight under control.
4. Trans-fatty acids are another type of saturated fat that can raise cholesterol levels. Which of these is a source of trans-fat?
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Meat products and whole milk dairy products contain small amounts of trans-fat. Commercial bakery and snack products typically contain higher amounts of trans-fat. The trans-fat comes from the hydrogenated oil used in preparing these products. Hydrogenated oil is used because it has a longer shelf life than other fats. The FDA requires that food labels state the amount of trans-fat in a product. The AHA recommends limiting trans-fats to 1 percent of total calories. Some brands of soft margarine contain little or no trans-fat, and other food manufacturers are making an effort to decrease or eliminate trans-fat from their products.
5. If you consume 2,000 calories a day, and want to limit your fat intake to no more than 30 percent, how many grams of fat is that?
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If you consume 2,500 calories a day, your total fat should be no more than 83 grams. If you consume 1,800 calories a day, your total fat should be no more than 60 grams.
6. Fat substitutes are one option for cutting the fat calories in foods. What are fat substitutes made of?
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Fat substitutes are based on one of these three categories, according to the AHA. Carbohydrate- and protein-based substitutes replace the fat in a product. Carbohydrate-based substitutes include okra gum, pureed cannellini beans, and mung bean paste. Protein-based substitutes include egg-white proteins, dairy proteins, and whey protein concentrate. Fat-based substitutes such as olestra are not absorbed efficiently from the intestines. According to the FDA, all three types are considered safe.
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Updated:  
April 13, 2015
Reviewed By:  
Averett, Jennifer, RD, Pierce-Smith, Daphne, RN, MSN, CCRC