1) The normal resting pulse rate (beats per minute) for adults is approximately
a.50
b.70
c.95
d.140
2) The flavor enhancer MSG represents a dietary source of
a.sulfite
b.sodium
c.acrylamide
d.bicarbonate
3) Which of the following may best explain the relationship between excess body fat
and higher risk for cancers of the female reproductive system?
a.Obese women are more sedentary, which promotes cancer development
b.The higher levels of body fat act as a reservoir of carcinogenic substances
c.Excess body fat produces more estrogen, which may promote tumor development
d.The greater food consumption of obese women provides a higher intake of
naturally-occurring carcinogens
4) Goals of the Older Americans Act Nutrition Program include the provision of all of
the following EXCEPT
a.transportation services
b.high-cost nutritious meals
c.opportunity for social interactions
d.counseling and referral to other social services
5) Which of the following is a characteristic of meat contamination?
a.A USDA seal of inspection insures the absence of most harmful bacteria
b.Consumers are not able to detect the presence of harmful bacteria by odor or taste
c.The presence of naturally occurring antibodies in meats slows the growth of harmful
organisms
d.Ground meat is very resistant to contamination because of the high heat released by
the grinding machines
6) Methylcobalamin is a coenzyme form of
a.vitamin B1
b.vitamin B6
c.vitamin B12
d.niacin
7) Which of the following is NOT among the characteristics of mercury in nutrition?
a.Mercury toxicity damages the developing brain
b.Farm-raised fish typically have less mercury than wild-caught fish
c.Larger fish have less muscle mercury due to the dilutional effect of size
d.The EPA regulates commercial fishing to monitor mercury levels in fish
8) What is the name of the cancer-treatment substance first extracted from the bark of
old Pacific yew trees (and now synthesized in the laboratory)?
a.Ephedra
b.Paclitaxel
c.Kombucha
d.Germanium
9) Among the following, which is the major weakness of a laboratory-based study?
a.The costs are usually high
b.It is difficult to replicate the findings
c.The results cannot be applied to human beings
d.Experimental variables cannot be easily controlled
10) What is the chief adverse effect from drinking a carbonated beverage before
engaging in athletic activity?
a.The carbonic acid inhibits fluid absorption
b.The bubbles induce chronic burping and so inhibit performance
c.The bubbles induce feelings of fullness quickly and so limit fluid intake
d.The carbonic acid promotes gastroesophageal reflux leading to upper GI discomfort
11) Being obese is known to increase the probabilities of contracting all of the
following diseases EXCEPT
a.cancer
b.diabetes
c.kwashiorkor
d.hypertension
12) Approximately what percentage of infants are born prematurely?
a.4
b.12
c.20
d.33
13) About how long does it take for a meal to be completely eliminated from the
stomach?
a.30 minutes
b.1.5 hours
c.4 hours
d.8 hours
14) Approximately what percentage of the vegetables and fruits consumed in the United
States are imported?
a.5
b.25
c.45
d.65
15) Which of the following metabolic reactions occurs when a cell uses energy?
a.ATP gains a phosphate group and becomes ADP
b.ADP gains a phosphate group and becomes ATP
c.ATP releases a phosphate group and becomes ADP
d.ADP releases a phosphate group and becomes ATP
16) Approximately what percentage of people with osteoporosis are female?
a.24
b.50
c.67
d.95
17) Which of the following represents current knowledge of the role of vitamin and
mineral supplements in physical performance?
a.When taken right before an event, they have been shown to benefit performance
b.Moderate amounts have been shown to improve the performance of most elite athletes
c.They may be beneficial for athletes who struggle to meet their energy requirements
d.Except perhaps for iron, they are needed in high amounts to meet the needs of athletes
exposed to hot and humid weather conditions
18) What term is used to describe the outcome of a diagnostic test that apparently
shows that you have mononucleosis when in reality you do not?
a.True positive
b.True negative
c.False positive
d.False negative
19) Which of the following is a general property of the minerals?
a.When a food is burned, all the minerals are found in the ash
b.Absorption efficiency from foods is similar among the minerals
c.Minerals in food can be degraded by certain processing methods
d.Some minerals in food are destroyed by exposure to ultraviolet light
20) How can water loss from the body be quickly estimated at the end of a physical
activity?
a.Multiply body weight (kg) by 1% to determine liters of water loss
b.Multiply duration of activity (min) by body weight (kg) to determine mL of water loss
c.Subtract air temperature (F) from body weight (lbs) and then multiply by 5 to
determine mL of water loss
d.Take the difference in body weight (lbs) before and after the event and multiply by 2
to determine cups of water loss
21) One factor that has limited the success of the School Breakfast Program is that
a.the cost is prohibitive
b.the meals are not nutritious
c.children simply do not participate in it
d.fewer than 10% of the nation’s schools participate in it
22) Which of the following proteins inactivates foreign bacteria and viruses?
a.Enzymes
b.Collagen
c.Hormones
d.Antibodies
23) What amount of salt provides the Tolerable Upper Intake
a.0.5 teaspoons
b.1 teaspoon
c.0.5 tablespoons
d.1 tablespoon
24) An important function of fat in the body is to
a.build muscle tissue
b.regulate blood glucose levels
c.protect vital organs against shock
d.provide precursors for glucose synthesis
25) What fraction of the U.S. population lives in poverty?
a.1/20
b.1/7
c.1/4
d.1/3
26) Which of the following is a characteristic of people with anorexia nervosa?
a.Most are aware of their condition and seek treatment
b.Fewer than 200 women die each year from the disease
c.Among those who are treated, many relapse into abnormal eating patterns
d.During initial treatment, metabolism slows and appetite increases but thereafter
subsides
27) Give five examples each of cultivation practices used in sustainable and
nonsustainable agriculture.
28) Explain why vitamin A and vitamin D may function as hormones rather than as
vitamins.
29) Discuss the term critical periods in relation to pregnancy.
30) What are the advantages and disadvantages of using MSG in foods?
31) When LDL level is elevated and HDL is lower than recommended, the first thing
that should be examined is a person’s
alcohol intake
exercise program
genetic background
smoking habits
32) Epoetin, steroids, and blood doping, all of which have been touted to improve
athletic performance, are examples of
33) Why do cattle ranchers and dairy farmers use bovine growth hormone? What are
the effects in people who ingest the meat and milk from cows treated with BGH?