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1) For most of the worlds population, what is the effect of aging on the activity of
lactase?
a.Declines by 30-40%
b.Declines by 90-95%
c.Increases by 30-40%
d.Increases by 90-95%
2) Which of the following is NOT a destination for cholesterol?
a.Synthesized into bile
b.Excreted in the feces
c.Accumulates on walls of veins
d.Accumulates on walls of arteries
3) Approximately how many nutrients are considered indispensable in the diet?
a.15
b.25
c.40
d.55
4) Which of the following is NOT among the characteristics shared by iron and zinc?
a.Absorption is inhibited by fiber
b.Absorption is inhibited by cows milk
c.Transport in the blood is primarily handled by albumin
d.Absorption rises with increased needs of the body
5) Which of the following is NOT among the minerals most associated with unpleasant
characteristics of potable water?
a.Iron
b.Calcium
c.Manganese
d.Phosphorus
6) All of the following statements about the critical periods of cell division are true
EXCEPT
a.malnutrition during pregnancy can affect fetal cell division
b.malnutrition during critical periods can have irreversible effects
c.high-nutrient-density food fed after the critical period can remedy a growth deficit
d.whatever nutrients are needed during a critical period must be supplied at that time
7) Which statement about the recommended nutrient intakes is FALSE?
a.The recommendations also apply to sick people
b.The recommendations are designed to be met through intake of foods and not
supplements
c.It is difficult and unnecessary to meet the recommended intakes for all nutrients each
day
d.The recommendations are neither minimum requirements nor necessarily optimal
intakes for everybody
8) In most nuts, what is the distribution of saturated and unsaturated fats, in order of
highest to lowest amounts?
a.Monounsaturated, polyunsaturated, saturated
b.Polyunsaturated, monounsaturated, saturated
c.Polyunsaturated, saturated, monounsaturated
d.Saturated, monounsaturated, polyunsaturated
9) The potential of a substance to harm someone is known as
a.a hazard
b.toxicity
c.risk level
d.safety level
10) Which of the following is characteristic of calcium nutrition in teenagers?
a.The recommended intake is higher for girls than boys
b.The recommended intake is 800-1,000 mg for this population group
c.The intake of calcium is higher in boys than girls because they eat more food
d.The dietary intakes of calcium are similar for girls and boys of this population group
11) Which of the following substances added to foods inhibits formation of botulinum
toxin?
a.BHA
b.Nitrites
c.Table salt
d.Sodium ascorbate
12) What is the primary action of orlistat, a weight-loss drug?
a.It reduces taste sensation
b.It inhibits lipoprotein lipase
c.It inhibits pancreatic lipase
d.It alters circulating leptin concentrations
13) If the worlds production of food energy were equally distributed among the worlds
population, approximately how many kcalories per day would be available to each
person?
a.650
b.1000
c.1450
d.2720
14) Which of the following is a characteristic of calcium supplement use?
a.Taking them with a meal enhances absorption of calcium
b.Taking them with iron supplements enhances absorption of iron
c.Supplements of calcium carbonate show higher bioavailability than calcium citrate
d.Small pills containing a large amount of calcium salt show faster dissolution in the
stomach
15) Which of the following properties is shared by niacin and riboflavin coenzymes?
a.Unstable to irradiation
b.Unstable to metal cooking utensils
c.Acceptance and transfer of hydrogen atoms
d.Acceptance and transfer of carboxyl groups
16) How many acetyl CoA molecules may be obtained from oxidation of an 18-carbon
fatty acid?
a.3
b.6
c.9
d.18
17) What minimum level of body weight loss as water impairs a persons physical
performance?
a.1-2%
b.3-4%
c.5-9%
d.10-15%
18) Which of the following lipids is an essential nutrient?
a.Lecithin
b.Cholesterol
c.Stearic acid
d.Linoleic acid
19) What additive common to Asian foods is thought to be associated with acute,
temporary intolerance reactions?
a.Nitrites
b.Carotenoids
c.Monosodium glutamate
d.Polybrominated biphenyl
20) All of the following are consequences of ingesting excess vitamin C supplements
EXCEPT
a.they frequently cause diarrhea
b.they appear safe at levels up to 2000 mg/day
c.they enhance the action of anticlotting medications
d.they interfere with laboratory urine tests for the diagnosis of diabetes
21) Consumption of raw oysters is known to cause hepatitis type
a.A
b.B
c.C
d.D
22) The diet-planning principle that provides all the nutrients, fiber, and energy in
amounts sufficient to maintain health is called
a.variety
b.adequacy
c.moderation
d.kcalorie control
23) Approximately how many people, in millions, are served by the U.S. Supplemental
Nutrition Assistance Program?
a.5
b.10
c.20
d.40
24) When calculating the amount of iron that can be absorbed from a meal, all of the
following factors are of major importance EXCEPT
a.EDTA content
b.phytate content
c.vitamin C content
d.MFP factor content
25) In what system would the effects of a vitamin D deficiency be most readily
observed?
a.Nervous
b.Skeletal
c.Muscular
d.Circulatory
26) A person is at high risk for signs of illness and diminished work capacity when the
BMI first drops below
a.12
b.14
c.17
d.18.5
27) Discuss safety of aspartame for the general population and for people with PKU.
28) Describe relationships among obesity, hypertension, and blood cholesterol in
children and adolescents.
29) Parents should limit a child's intake of sugar because
it causes hyperactivity
it takes the place of healthier foods
it may adversely affect the child's growth
b and c
30) Describe the steps involved in establishing nutrient values that make up the Dietary
Reference Intakes.
31) Discuss the possible reasons why diets rich in complex carbohydrates may lower
the risk of heart disease.
32) Discuss the meaning, significance, and practical application of cardiorespiratory
conditioning and endurance.
33) One of the criteria for diagnosing anorexia is
refusal to eat complex carbohydrates
being 85% or less of normal body weight for age
people see themselves as physically fit
all of the above
34) Discuss the characteristics of malnutrition, including risk factors, signs and
symptoms, prevention, and treatment.
35) Discuss the role of environmental influences on food intake.
