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1
The difference between absorption and assimilation is that assimilation involves
A)the movement of simple molecules from the digestive system into the circulatory system.
B)the modification and incorporation of molecules into the structure of the organism.
C)the breakdown of complex food molecules into simpler molecules.
D)the summation of all the metabolic processes.
2
The rate at which the body uses energy when at rest is known as the
A)basal metabolic rate (BMR).
B)calorie assimilation rate.
C)measure of specific dynamic action (SDA).
D)body mass index.
3
Compared to a gram of carbohydrate, a gram of fat has about
A)half the Calories.
B)twice the Calories.
C)the same number of Calories.
D)the Calories are different, so they cannot be compared.
4
A diet deficient in carbohydrates results in
A)fats being oxidized and converted to ATP.
B)proteins being metabolized.
C)the possibility of large numbers of keto acids being produced.
D)All of the above.
5
Linoleic and linolenic acids are considered to be essential fatty acids because
A)they are needed for normal growth and blood clotting.
B)they are incorporated into the cell membrane.
C)the body cannot manufacture linoleic or linolenic acid.
D)All of the above.
6
The difference between a complete protein and an incomplete protein is that an incomplete protein
A)lacks certain amino acids.
B)cannot be produced within the body itself.
C)lacks the amino groups found on most proteins.
D)All of the above.
7
The process by which protein is protected from metabolism is called
A)protein-storing.
B)Kwashiorkor selection.
C)protein-sparing.
D)starvation.
8
Which of the following statements is/are true about vitamins?
A)Vitamins are needed to maintain essential metabolic activities.
B)Vitamin D is formed when sunlight strikes a cholesterol molecule in your skin.
C)Excessive amounts of many vitamins can be toxic.
D)All of the above.
9
Which of the following statements is/are true about minerals?
A)Sodium and potassium are important in the production of protein.
B)Magnesium facilitates energy release.
C)Osteoporosis is primarily caused by a lack of both phosphorus and iodine.
D)All of the above.
10
Which of the following statements is/are true about water?
A)All chemical reactions in living organisms take place in water.
B)Electrolytes in water form a solution capable of conducting electricity.
C)Dense bone consists of about 33% water.
D)All of the above.
11
Which of the following statements is/are true Dietary Reference Intakes?
A)They are the current guidelines.
B)They are used when preparing product labels.
C)They provide information on the amounts of certain nutrients various members of the public should receive.
D)All of the above.
12
Which of the following statements is/are true about obesity?
A)There may be a genetic component to obesity.
B)People who have a body mass index above 30kg/m2 are considered to be obese.
C)Obesity occurs when, over a period of time, more food energy is taken in than is required to meet the daily energy requirements.
D)All of the above.
13
Which of the following statements is/are true about bulimia?
A)Bulimics are usually either of average weight or underweight.
B)Many bulimics have other compulsive or compulsive-addictive disorders.
C)Most of the major symptoms of bulimia are the same as those of anorexia nervosa.
D)All of the above.
14
The period of life with the greatest energy requirements per kilogram of body weight is
A)infancy.
B)adolescence.
C)pregnancy and lactation.
D)old age.
15
A fundamental difference between aerobic exercise and anaerobic exercise is that with anaerobic exercise
A)the level of exertion allows the heart and lungs to keep up with the oxygen needs of the muscles.
B)the Krebs cycle uses glycogen stores to complete respiration.
C)the muscles cannot get the oxygen as fast as they need it.
D)fatty acids provide most of the energy.
16
Persons of normal weight who overeat and force the food out of their digestive tract
A)are obese.
B)are bulimic.
C)have anorexia nervosa.
D)are unusually thin.
17
A complete protein contains
A)all the Recommended Dietary Allowances.
B)essential fatty acids.
C)the suggested Calorie amount.
D)all the essential amino acids.
18
A person with kwashiorkor suffers from a lack of
A)proteins.
B)minerals.
C)vitamins.
D)Calories.
19
Converting a nutrient into a molecule in your body's cells is
A)digestion.
B)assimilation.
C)carbohydrate loading.
D)protein-sparing.
20
Persons A and B have the same BMR. Person A weighs 30% more than Person B.
A)person A eats more food
B)person B eats more food
C)both eat the same
D)cannot tell from data presented
21
Which one of the following need to be most careful in developing a diet?
A)pregnant woman
B)athlete
C)mature adult
D)sickle cell anemia patient
22
Dietary Reference Intakes are easily met by
A)eating breakfast cereal.
B)using vitamin supplements.
C)eating a well balanced, varied diet.
D)consuming more fiber.
23
Carbohydrates that are not digested in the human digestive tract are
A)fibers.
B)minerals.
C)vitamins.
D)fatty acids.
24
A calorie is the energy required to raise one _______ of water one degree __________.
A)gram; Fahrenheit
B)cup; Fahrenheit
C)gram; Celsius
D)kilogram; Celsius
25
The measure of the amount of energy a person uses while at rest is
A)BMR.
B)SDA.
C)diet.
D)RDA.
26
All of the following can be stored in the body EXCEPT
A)carbohydrate.
B)calcium.
C)protein.
D)fat.
27
The amount of energy you use each day is determined by your
A)activity level.
B)age and gender.
C)body size.
D)All of the above.
28
Osteoporosis results from a __________ deficiency.
A)vitamin
B)calcium
C)protein
D)energy
29
Most Americans should have more ___________ in their diet.
A)protein
B)fat
C)sugar
D)complex carbohydrates
30
Without dietary planning, _______ is (are) most likely to be missing from a vegetarian diet.
A)complex carbohydrates
B)essential fatty acids
C)fiber
D)essential amino acids





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