test 1

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

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


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