問題一覧
1
Which of the following describes lipids?
organic substances that are insoluble in water
2
Which of the following are NOT major classes of dietary lipids?
glycogens
3
What is the primary form of fat in the diet?
triglycerides
4
A triglyceride is composed of
three fatty acids and one glycerol.
5
Medium-chain fatty acids are how many carbon atoms in length?
at least 6
6
A fatty acid that contains a chain of ten carbons and one double carbon bond is a
monounsaturated, medium-chain fatty acid.
7
Which of the following fatty acids is generally solid at room temperature?
saturated
8
Which of the following foods are the BEST sources of monounsaturated fatty acids?
olive oil and cashew nuts
9
Which of the following foods are HIGHEST in saturated fatty acids?
butter and palm kernel oil
10
Which of the following is the BEST source of polyunsaturated fatty acids?
corn oil
11
Saturated fats are
found in salmon and eggs.
12
The process of straightening an unsaturated fatty acid to create a more solid fat that resists rancidity is called
hydrogenation.
13
Which of the following statements is TRUE about trans fatty acids?
Foods with a Nutrition Facts panel claiming "zero" trans fats per serving may actually contain trans fats.
14
Which of the following ingredients on the label of a box of cookies would alert you to the presence of trans fatty acids?
partially hydrogenated vegetable oil
15
Which of the following is a rich source of linoleic acid?
peanut oil
16
Which of the following is TRUE about essential fatty acids?
We need to obtain essential fatty acids from food.
17
Why are phospholipids NOT classified as essential nutrients?
Our bodies manufacture phospholipids.
18
Which of the following statements is FALSE about sterols?
Sterols contain a glycerol backbone and one fatty acid.
19
A key components) of the cell membrane is/are
phospholipids.
20
Sex hormones and adrenal hormones are derived from which class of lipid?
sterols
21
Which of the following food items would contain the highest amount of saturated fat?
a tablespoon of melted butter
22
Which of the following is NOT a function of fat in the human body?
Consumption of fat helps stimulate our appetite.
23
Which of the following organs does NOT assist in the digestion of lipids?
esophagus
24
The vast majority of fat digestion and absorption occurs in the
small intestine
25
To facilitate the digestion of dietary fats, the gallbladder stores and releases a substance known as
bile
26
In the process of emulsification of triglycerides
bile salts separate large fat droplets into smaller droplets.
27
Where in the body are the majority of triglycerides stored for future energy needs?
adipose tissue
28
Which lipoprotein is produced in the enterocytes and transports dietary fat into the lymphatic system?
chylomicron
29
Fat leaves the chylomicron and moves into adipose cells when the chylomicron comes into contact with
lipoprotein lipase.
30
How many Calories does 25 grams of fat provide?
225
31
During exercise, which of the following triggers the breakdown of stored fat?
adrenaline
32
Which of the following is an essential fatty acid?
linoleic acid
33
Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) can be derived in limited quantities from
alpha-linolenic acid.
34
The Acceptable Macronutrient Distribution Range (AMDR) for fat is what percentage of total energy intake?
no more than 35%
35
Which of the following foods contains hidden fats?
chocolate cake
36
Which of the following species of fish would likely contain the highest levels of contaminants?
swordfish
37
Which of the following statements is FALSE regarding the process of hydrogenation?
Hydrogenation gives the fatty acid chain more kinks.
38
Which of the following is a fat replacer?
olestra
39
Research has found that replacing your saturated fat intake with added sugars increases your risk for
cardiovascular disease.
40
The major form of fat in both food and the body is
triglycerides.
41
Partially hydrogenated oils (PHOs) are
not allowed in foods produced in the U.S. after 2018.
42
Which of the following are excellent sources of unsaturated fats?
nuts and nut butters
43
How much trans fat is recommended in the diet?
as little as possible
44
The front of a box of chocolate cookies claims that they are "low-fat." If Gabriel eats one serving (two cookies), he will likely consume about
3 grams or less of fat.
45
In people who are regularly physically active, extra fat consumed in the diet is stored first in
muscle tissue.
46
What is the daily recommended intake of saturated fat?
less than 10% of total energy intake
47
The most common sterol in our diet is
cholesterol.
48
Which of the following populations should entirely avoid eating shark, swordfish, and other fish with high levels of mercury?
pregnant and breastfeeding women
49
Fatty acids released from fat stores travel in the blood attached to the protein
Albumin
50
How many double bonds does a saturated fatty acid contain between carbons in the chain?
none
51
The spherical compounds made up of bile and phospholipids that transport dietary fat into the enterocytes are
micelles.
52
Which type of fatty acid has hydrogen atoms located on the same side of the double bond?
cis
53
Your risk for cardiovascular disease is increased if you consume a diet high in
trans fatty acids.
54
Nuts are a good source of
healthful unsaturated fats.
55
The 2015 Dietary Guidelines Advisory Committee found that saturated fat intake is significantly higher among Americans who
frequently eat fast food.
56
Yesterday Nadia consumed 250 grams of carbohydrate, 75 grams of protein, and 60 grams of fat. What percentage of calories of her days intake came from fat?
29%
57
Which of the following is a rich source of monounsaturated fatty acids, making it a good choice for cooking and baking?
canola oil
58
Raymond is trying to decrease his intake of saturated fat. Which of the following items would you recommend he add to his coffee?
low-fat milk
59
What role do polyunsaturated fatty acids play in the brain and spinal cord?
They help transmit information between cells.
60
Which of the following statements about cholesterol is TRUE?
There appears to be no direct link between dietary cholesterol and cardiovascular disease.
61
A new group of fat replacers has been developed using which of the following?
proteins
62
Federal nutritional recommendations advise that you eat fish
twice weekly.
63
The majority of saturated fat in the American diet comes from
pizza, tacos, burgers, and sandwiches containing meat and/or cheese.
64
Body fat stores are
especially harmful in the abdominal region.
65
While you are sleeping, approximately how much of the energy your cells use is derived from fats?
30-70%