Which nutrient class is used to build body tissues and make enzymes?
answer
proteins
question
Which of the following is *not* a function of water in the body?
answer
functions as a coenzyme
it does....
lubricates joints
helps transport nutrients and oxygen
helps maintain body temperature
question
All of the following are correct about the typical American diet except that it is
answer
high in fiber.
it is...
low in calcium.
high in sodium.
low in vitamin D.
question
Americans need to consume more
answer
fruits and vegetables.
question
Which of the following does nutritional genomics study?
answer
how certain nutrients affect an individual's gene expression
question
Food insecurity is
answer
the inability to satisfy the basic food needs of individuals.
question
What percentage of American adults are considered obese?
answer
35 percent
question
Which of the following is the first step of the scientific method?
answer
Observe and ask a question.
question
The group given a specific treatment during an experiment is called the
answer
experimental group.
question
Jim wants to improve his health and would like a professional to help him with his diet. Which of the following people would be the best person to help Jim?
answer
a registered dietitian nutritionist
question
When obtaining information on the Internet, which ending for a URL is probably less reliable than the others?
answer
.com
question
Which of the following questions is important to ask yourself when you view a nutrition-related website?
answer
All of the above
Where does the information come from?
How does the site choose links to other sites?
Who pays for the site?
question
Which of the following goals is *not* a proposed focus of Healthy People 2020?
answer
Support food industry efforts to obtain favorable health claims on nutrition labels.
it does....
Promote quality of life, healthy development, and healthy behaviors across every stage of life.
Create social and physical environments that promote good health for all.
Eliminate preventable disease, disability, injury, and premature death.
question
Which of the following is *not* an outcome for children who are food insecure?
answer
increased energy
it does...
delayed cognitive development
increased incidence of colds and headaches
iron deficiency
question
Jane is sitting in the library, cramming for a nutrition test. She has eaten a plate full of brownies and is now ordering a pizza. Which of the following factors is probably affecting the way Jane is eating?
answer
emotions
question
Which of the following statements about supplements is *false*?
answer
Supplements always produce the same positive health effects as those gained by eating foods.
true...
A pregnant woman might benefit from taking an iron supplement.
People with dietary restrictions or greater nutrient needs could benefit from taking supplements.
A well-balanced diet will meet the nutrient needs of many people.
question
Which of the following statements is *incorrect* regarding the energy-providing nutrients?
answer
Most of your daily calories should come from protein.
Correct...
The energy nutrients are all organic.
The amount of calories you need daily is based on your age, gender, and activity level.
The energy nutrients include carbohydrates, fats, and proteins.
question
Which of the following substances is organic?
answer
vitamins
question
If a scientist wants to design an experiment to measure the effect of vitamin C on colds, which of the following would be an appropriate placebo?
answer
a sugar pill that does not contain vitamin C
question
Which of the following is *not* one of the essential nutrients?
answer
alcohol
question
Darren's father, mother, and sister all have diabetes. Darren decides to seek help from a health professional so he can avoid becoming diabetic as well. Who is the best person Darren should go to for nutrition advice?
answer
a registered dietitian nutritionist (RDN)
question
A double-blind placebo-controlled study is
answer
research in which neither the subjects nor the scientists know which group received the treatment and which group received a placebo.
question
The macronutrients include carbohydrates, lipids, and vitamins.
answer
False
True: Carbs, Lipids, & Proteins
question
People who are poor can be overfed in energy nutrients but malnourished in vitamins and minerals.
answer
True
question
It is *not* a good idea to change your diet based on a single study.
answer
True
question
The "gold standard" of research experiments is the double-blind, placebo-controlled study.
answer
True
question
The foods you eat do not affect the expression of genes in your cells.
answer
False
question
An idea generated by scientists based on their observations is a hypothesis.
answer
True
question
The six classes of nutrients include carbohydrates, lipids, proteins, vitamins, minerals, and _________.
answer
Water
question
You eat a snack that contains 15 grams of carbohydrate, 8 grams of fat, and 8 grams of protein. This snack supplies _______________ kcalories.
answer
164
question
A weight reduction calls for a daily intake of 1,400 kilo calories and 30 grams of fat. Approx. what percentage of the total energy is contributed by fat? (round to nearest whole number)
answer
19%
question
What is the caloric value of a meal supplying 110 g of carbohydrate, 25 g of protein, 20 g of fat, 5 g of alcohol, 600 g water, and 3 g of iron?
answer
755
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