test 1
How much energy is required to raise the temperature of one kilogram (liter) of water 1*C?
I kilocalorie
A weight reduction regimen calls for a daily intake of 1400 kcalories, which includes 30 g of fat. What percentage of the total energy is contributed by fat?
19.0%
What results from the metabolism of energy nutrients?
energy is released
What type of nutrient is needed by the body and must be supplied by foods?
essential nutrient
Recommended Dietary Allowances are based on the
estimated average requirement
What single behavior contributes to the most deaths in the United States?
tobacco use
By chemical analysis, what nutrient is present in the highest amounts in most foods?
water
A subclinical nutrient deficiency is defined as one that
is in the early stages
Units of energy used by most scientists and nutritionists, aside from those in the US, are expressed in
kilojoules
What is the study of how a person's genes interact with nutrients?
nutritional genomics
Nonnutrient substances found in plant foods that may demonstrate biological activity in the body are commonly known as
phytochemicals
The Dietary Reference Intakes may be used to
plan and evaluate diets for healthy people
Who would be the most appropriate person to consult for nutrition information?
registered dietitian
What is one major weakness of a laboratory-based study?
results from animal testing cannot be applied to human beings
The term organic, as related to compounds, would be best described as
substances with carbon-carbon or carbon-hydrogen bonds
Which statement explains the association between a risk factor and the development of a disease?
the more risk factors for a disease, the greater the chance of developing that disease
Which statement best describes the composition of most foods?
They contain a mixture of the three energy nutrients, although only one or two may predominate
The percentage of kcalorie intakes for protein, fat, and carbohydrate that are thought to reduce the risk of chronic disease are known as the
acceptable macronutrient distribution ranges
Recommended Dietary Allowances may be used to
assess dietary nutrient adequacy for individuals
What is the smallest amount of a nutrient that, when consumed over a prolonged period, maintains a specific function?
nutrient requirement
