Practice Quizzes

Chapter 4: Carbohydrates

1: The basic chemical formula for a carbohydrate is
CH2O.
CH2N2.
CHO2.
C2H2O2.
2: Glucose is also referred to as
glycerin.
ethanol.
pentose.
dextrose.
3: Human milk contains large amounts of the complex carbohydrate _______, which for breastfed infants, serve a function similar to dietary fiber in adults
oligosaccharides
polysaccharides
starch
amylose
4: The storage form of carbohydrates in living animals
fiber
polysaccharides
insulin
glycogen
5: The breakdown of starch into units of the disaccharide maltose is aided by which enzyme
lingual lipase
pancreatic amylase
water
salivary enzymes
6: Nondigestable carbohydrates and lignins that are intact and intrinsic in plants
glycogen
starch
polysaccharides
fiber
7: When athletes follow a carbohydrate-loading regimen, they are trying to boost their body stores of
triglycerides.
glycerol.
insulin.
glycogen.
8: Carbohydrate digestion begins in the
mouth.
stomach.
small intestine.
large intestine.
9: This sugar is made up of one molecule of glucose and one molecule of fructose
lactose
sucrose
maltose
starch
10: Which hormone regulates blood glucose?
glucagon
epinephrine
insulin
all of the above
11: Even when fat provides the fuel for cells, cells require a small amount of ____ to completely break down fat to release energy
carbohydrate
oxygen
protein
insulin
12: High intakes of sugar contribute to
criminal behavior in adults
hyperactivity in children
dental cavities
heart disease
13: You are interested in increasing your fiber intake.
You should increase your fiber intake by a few grams each day.
choose foods that are rich in complex carbohydrates.
drink plenty of water throughout the day along with the fiber-rich foods.
all of the above
14: People with the genetic disease called phenylketonuria (PKU) cannot properly metabolize the amino acid phenylalanine, so they must carefully monitor their intake from all sources, including
sucrose
sorbitol
fructose
aspartame
15: Which of the following sweeteners is most likely to contribute to tooth decay?
saccharin
acesulfame K
cyclamates
corn syrup
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