Practice Quizzes

Chapter 5: Lipids

1: This type of lipid is found in foods of both plant and animal origin and the body also makes them when it need to
triglyceride
cholesterol
phospholipids
sterols
2: Fats and oils are found in which category of lipids?
phospholipids
triglycerides
sterols
all of the above
3: Food fats with more unsatrated fatty acids than saturated, are more likely to
be solid at room temperature
have a lower melting point
be liquid at room temperature
taste sour if left at room temperature
4: Desaturation of a fatty acid results in
a reaction causing the carbon chain to be bent.
addition of carbon atoms.
creation of double bonds.
removal of the carboxyl group.
5: The nutrient that supplies about 60% of the body’s resting energy needs is
protein.
carbohydrate.
fat.
vitamin D.
6: Which is not a function of fat in the body?
energy reserve
provides insulation
quick fuel supply for brain
transportation of vitamins
7: Which food contains the highest concentration of saturated fatty acids?
peanut oil
coconut
corn
sunflower seeds
8: Phospholipids are an important ingredient in which food?
salad dressing (oil and water mixture)
canned peaches
cornflakes
tofu
9: Which hormone signals the release of bile?
secretin
gastrin
cholescystokinin
gastric-inhibitory peptide
10: Most cholesterol in the body is
from dietary sources.
manufactured by the liver.
synthesized from recycled bile.
produced in the gallbladder.
11: A very-low-density-lipoprotein is composed mostly of
protein.
cholesterol.
phospholipid.
triglyceride.
12: High HDL levels are associated with
high risk of coronary artery disease.
extremely low rates of heart disease and stroke.
liver cancer.
osteoporosis.
13: High levels of _____ increase the risk of atherosclerosis.
chylomicron
VLDL
LDL
HDL
14: Which of the following compounds is the largest category of lipids?
phospholipids
triglycerides
sterols
androgens
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