1) Which of the following is a property of conditioned muscles?
a. They can store more glycogen.
b. They are more efficient at converting fat to glucose.
c. They contain fewer mitochondria due to increased glucose utilization.
d. They rely less on fat breakdown and more on glucose oxidation for energy.
e. They are resistant to lactate build-up.
2) Which of the following is a feature of the lipoprotein lipase enzyme?
a.Its activity decreases after weight loss but then rebounds quickly after resuming
normal food intake.
b.Its activity can always increase but cannot decrease and is, in part, controlled by the
ratchet effect of metabolism.
c.Its activities in men and women are sex-related and explain the differences in major
fat storage regions of the body.
d.Its low activity in obese people explains, in part, the inability to mobilize storage fat
for energy when following an energy-restricted diet.
e.The release of upper-body fat that it triggers is more active in women than in men,
whereas the release of lower-body fat is similar.
3) The normal blood pH range is approximately
a. 6.75-6.90.
b. 7.00-7.25.
c. 7.35-7.45.
d. 7.55-7.75.
e. 8.35-8.85.
4) Improvements in nutrient composition, such as when corn is genetically modified to
contain higher amounts of its limiting amino acids, is a strategy known as
a. biofortification.
b. reverse DNA enrichment.
c. USDA approved enrichment.
d. nutritional transdevelopment.
e. artificial fortification.
5) A child known to be allergic to peanuts who begins to show signs such as difficulty
breathing, swelling of the tongue, and severe abdominal discomfort is most likely in
immediate need of a life-saving injection of
a. cortisone.
b. serotonin.
c. epinephrine.
d. acetylcholine.
e. histamine.
6) Which of the following is the coenzyme form of thiamin?
a.Thiaminacide
b.Thiamin pyrophosphate
c.Thiamin adenine dinucleotide
d.Thiamin mononucleotide
e.Thiamin flavin
7) a. BGH k. Toxicity
b. BHT l. Solanine
c. EPA m. Hepatitis
d. FDA n. Goitrogen
e. MSG o. Nitrosamines
8) What is the most likely reason for a pregnant woman to crave pickles?
a. A change in hormones
b. A hypoglycemic episode
c. A physiologic need for fluid
d. A physiologic need for sodium
e. Cultural expectations that she will crave them
9) Which of the following is a feature of iodide utilization?
a. It is an integral part of pituitary thyroid-stimulating hormone.
b. Ingestion of plants of the cabbage family stimulates iodide uptake.
c. A deficiency or a toxicity leads to enlargement of the thyroid gland.
d. The amount in foods is unrelated to the amount of iodine present in the soil.
e. Use of iodized salt has resulted in significant increases in iodine toxicity.
10) A health magazine contacts you for your expert opinion on what measure best
describes the amounts of nutrients that should be consumed by the population. How
should you reply?
a.The Dietary Reference Intakes, because they are a set of nutrient intake values for
healthy people in the United States and Canada
b.The Tolerable Upper Intake levels, because they are the maximum daily amount of a
nutrient that appears safe for most healthy people
c.The Estimated Average Requirements, because they reflect the average daily amount
of a nutrient that will maintain a specific function in half of the healthy people of a
population
d.The Recommended Dietary Allowances, because they represent the average daily
amount of a nutrient considered adequate to meet the known nutrient needs of
practically all healthy people.
e.The Estimated Energy Requirement, because it represents what will maintain energy
balance and good health in a person of a given age, gender, weight, height, and level of
physical activity
11) What is the primary source of dietary mercury?
a. Seafood
b. Legumes
c. Unfiltered water
d. Undercooked poultry
e. Unwashed fruits and vegetables
12) 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 heating
d. Some minerals in food are destroyed by exposure to ultraviolet light
e. There are only two important trace minerals
13) ____________________, the over-the-counter version of orlistat, should not be
given to anyone younger than age 18.
14) What are the effects of iodine deficiency and iodine excess? What population
groups show iodine abnormalities?
15) What are the major sources of sodium in the diet of the U.S. population? Describe
ways in which consumers can lower intakes of salt in their diets.
16) Describe the steps involved in establishing nutrient values that make up the Dietary
Reference Intakes.
17) When vitamin C concentrations fall to about a fifth of optimal levels symptoms of
____________________ appear.
18) Compare basal metabolic rate with resting metabolic rate.