front 1 A meal contains the following amounts of long-chain fatty acids: 3 g EPA, 1 g DHA, 5 g stearic acid, 4 g linolenic acid, 10 g linoleic acid, and 3 g arachidonic acid. What is the approximate ratio of omega-6 to omega-3 fatty acids? | back 1 1.6 : 1.0 |
front 2 Approximately how many carbons are contained in a medium-chain fatty
acid? | back 2 6-10 |
front 3 Which of the following is a feature of cholesterol? | back 3 Synthesized by the body |
front 4 What is the major sterol in an omnivorous diet? A) Palm oil B) Lecithin C) Cholesterol D) Arachidonic acid | back 4 Cholesterol |
front 5 What is the function of adipose cell hormone-sensitive
lipase? | back 5 Hydrolyzes triglycerides to provide fatty acids for other cells |
front 6 To achieve a dietary balance of omega-3 and omega-6 fatty acids, what
is the recommended intake (g) of omega-3 fats for a person who
consumes 30 g of omega-6 fats? | back 6 There is no specific recommendation based on omega-6 intake |
front 7 Which of the following is considered a major source of
polyunsaturated fat? | back 7 Corn oil |
front 8 All of the following are rich sources of polyunsaturated fatty acids
except | back 8 palm oil. |
front 9 Which of the following cannot be found in plants? | back 9 Cholesterol |
front 10 What is the highest total blood cholesterol concentration (mg/dL)
that falls within the desirable range? | back 10 199 |
front 11 Which of the following is a feature of cholesterol? | back 11 Its Daily Value is 300 mg |
front 12 A triglyceride always contains 3 | back 12 fatty acids. |
front 13 Which of the following is a characteristic of lipids? | back 13 Corn oil and sunflower are more prone to spoilage than palm kernel oil |
front 14 Which of the following is a factor that determines the hardness of a
fat at a given temperature? | back 14 Degree of saturation |
front 15 Which of the following lipids contain(s) saturated fat? | back 15 Butter, cottonseed oil, and soybean oil |
front 16 What compound is composed of 3 fatty acids and glycerol? | back 16 Triglyceride |
front 17 The results of blood tests that reveal a person's total cholesterol
and triglycerides are called a | back 17 lipid profile. |
front 18 Which of the following is not a feature of the bile acids? | back 18 Manufactured by the gallbladder |
front 19 Which of the following sources of lipids should be substituted for
saturated fats to help lower blood cholesterol levels? | back 19 Canola oil |
front 20 The oils found in walnuts, soybeans, flaxseed, and wheat germ
represent a good source of preformed | back 20 linolenic acid. |
front 21 A lacto-ovo vegetarian wishing to ensure a liberal intake of
linolenic acid should consume | back 21 canola oil and walnuts. |
front 22 A compound composed of carbon, hydrogen, and oxygen with 3 fatty
acids attached to a molecule of glycerol would be known as a | back 22 triglyceride. |
front 23 How many double bonds are present in stearic acid? | back 23 0 |
front 24 What percentage of the DV for saturated fats in the U.S. diet is
provided by one egg? | back 24 5 |
front 25 Which of the following is an example of enterohepatic
circulation? | back 25 Recycling of bile from the intestine to the liver |
front 26 Which of the following is appropriate dietary advice for reducing fat intake? | back 26 Limit intake of all fried foods because they contain abundant fat. |
front 27 Lipids that are liquid at room temperature are known as | back 27 oils. |
front 28 Oil that is partially hydrogenated sometimes changes one or more of
its double bond configurations from | back 28 cis to trans. |
front 29 Aspirin works to reduce the symptoms of infection or pain by
retarding the synthesis of | back 29 certain eicosanoids. |
front 30 Which of the following is known as a tropical oil? | back 30 Coconut oil |
front 31 In which form are most dietary lipids found? | back 31 Triglycerides |
front 32 Although eating fish supports heart health and fish provides many
vitamins and minerals, it is notably poor in | back 32 iron |
front 33 Which of the following is an omega-3 fat? | back 33 Docosahexaenoic acid |
front 34 A low risk of cardiovascular disease correlates with high blood
levels of | back 34 high-density lipoproteins |
front 35 Approximately what percentage of the body's energy needs at rest is
supplied by fat? | back 35 60 |
front 36 Which of the following does NOT act as an emulsifier in the
intestinal tract? | back 36 Pancreatic lipase |
front 37 the average daily cholesterol intake (mg) of U.S. women is about | back 37 230 |
front 38 Bile is known to assist in the absorption of | back 38 fat only. |
front 39 Which of the following is a characteristic of the blood cholesterol
level? | back 39 It can be lowered more effectively by reducing dietary intake of saturated fat than of cholesterol |
front 40 What lipoprotein is largest in size? | back 40 Chylomicron |
front 41 Which of the following sources would yield the softest lipids at room
temperature? | back 41 Safflower |
front 42 A major cause of rancidity of lipids in foods is exposure to | back 42 heat and oxygen. |
front 43 Which of the following foods provide(s) essential fatty
acids? | back 43 Fish, beef, and plants |
front 44 which of the following is NOT a component of lecithin? | back 44 magnesium |
front 45 What tissue contains special receptors for removing low-density
lipoproteins from the circulation? | back 45 Liver |
front 46 Which one of the following compounds is missing 4 or more hydrogen
atoms? | back 46 Polyunsaturated fatty acid |
front 47 What is the immediate precursor for the eicosanoids? a. Glucose | back 47 Fatty acids |
front 48 which of the following does NOT describe a function of fat? | back 48 supplies up to 25% of the body's energy needs during rest |
front 49 Which of the following characteristics is shared by olive oil and
canola oil? | back 49 Both contain high levels of monounsaturated fatty acids |
front 50 What is the chemical composition of fats? | back 50 Fatty acids and glycerol |
front 51 Which of the following is a feature of the lipid content of
foods? | back 51 Omega-3 fats are found in fish |
front 52 What is the storage site of bile? | back 52 Gallbladder |
front 53 sucrose polyester is another name for | back 53 olestra |
front 54 which of the following is a characteristic of the lipid content of livestock? | back 54 grass fed animals contain more omega 3 fats in the meat than grain fed animals |
front 55 Which of the following is a characteristic of cholesterol? | back 55 It is a precursor for bile and vitamin D synthesis |
front 56 Among the following dietary fatty acids, which has been found to
raise blood cholesterol level by the least amount? | back 56 Stearic |
front 57 Spherical complexes of emulsified fats are known as | back 57 micelles |
front 58 Which of the following is a feature of essential fatty acid deficiency? Most diets in the United States and Canada are deficient in one or both essential fatty acids It is seen chiefly in Native Americans The most common symptoms include insulin resistance and pancreatitis It is very rare | back 58 It is very rare |
front 59 High intakes of omega-3 polyunsaturated fatty acids are known to
increase the risk for all of the following except | back 59 inflammation of the pancreas |
front 60 Which of the following is a characteristic of egg nutrition? | back 60 Although it is high in cholesterol, the egg is low in saturated fat |
front 61 About how much cholesterol is synthesized by the liver every
day? | back 61 Less than 300 mg |
front 62 Your roommate Jeff wishes to switch from using corn oil to using one
that is a good source of omega-3 fats. Which of the following should
be recommended? | back 62 Canola oil |
front 63 What is a triacylglycerol? | back 63 A triglyceride |
front 64 According to the Dietary Guidelines, what should be the maximum daily
intake of cholesterol on a 2500-kcalorie diet? | back 64 300 mg |
front 65 All of the following compounds may be synthesized from cholesterol EXCEPT sex hormones. vitamin D. glucose. bile. | back 65 glucose. |
front 66 Which of the following describes a fatty acid that has one double
bond? | back 66 Monounsaturated |
front 67 Which of the following structural features of fatty acids determines
their susceptibility to spoilage by oxygen? | back 67 Number of double bonds |
front 68 Which of the following is characteristic of the lipase
enzymes? | back 68 Salivary gland lipase (lingual lipase) plays an active role in fat digestion in infants |
front 69 Which of the following characteristics are shared by cholesterol and
lecithin? | back 69 Both are synthesized in the body |
front 70 A high risk of heart attack correlates with high blood levels
of | back 70 low-density lipoproteins. |
front 71 Which of the following is a feature of phospholipids? | back 71 Soluble in both water and fat |
front 72 Which of the following substances cannot be absorbed directly into
the blood? | back 72 Long-chain fatty acids |
front 73 Which of the following is a feature of cholesterol? | back 73 Only about 10% of the body's total cholesterol is extracellular |
front 74 Which of the following organs is NOT known to secrete a lipase? | back 74 liver |
front 75 Which of the following is a likely explanation for the imbalance
between omega-6 and omega-3 lipids in the U.S. diet? | back 75 High intakes of meat and low intakes of fish |