identify the categories of DRI and indicate how they are related.
1.estimated average requirement (EAR))defines the requirement of a nutrient that supports a specific function in the body for half of the healthy population.
2.recomended dietary allowances (RDA) use the EAR as a base adn includes sufficient daily amounts of nutrients to meet the known nutrient needs of practically healthy populations. this recommendations considers deficiencies.
3. adequate intakes (AI) reflect the average daily amount of a nutrient without an established RDA that appears to be sufficient.
4.tolerable upper intake level (UL) is a maximum daily amount of a nutrient that appears safe for most healthy people and beyond which there is an increased risk of adverse health effects.
when people eat foods typical of their families or geographic region thier choices are influenced by:
D. ethnic heritage or tradition
both the human body and many foods are composed mostly of:
the inorganic nutrients are:
C. minerals and water
the energy-yielding nutrients are:
C. carbohydrates, fats, and proteins.
studies of populations that reveal correlations between dietary habits and disease incidence are:
D. epidemiological studies
an experiment in which neither the researchers nor the subjects konw who is receiving the treatment is known as:
A. double blind.
an RDA represents the:
B. average amount of a nutrient considered adequate to meet the kwown nutrient needs of practicaly all healthy people.
historical information, physical examinations, laboratory tests, and anthropometric measures are:
D. methods used in a nutrition assessment.
a deficiency caused by an inadequate dietary intake is a(n):
B. primary deficiency.
behaviors such as smoking, dietary habits, physical activity, and alcohol consumption that influence the development of disease are known as: