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NTR 401 quiz 1 with answers
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NTR 401 quiz 1 with answers
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NTR 401 quiz 1 with answersWhat year did Elmer McCollum, Thomas Osborne, and Lafayette Mendel develop a new
approach to the search for vitamins as well as the discovery of additional essential
amino acids, such as lysine, sulfur containing amino acids and histidine? - Answer-
1910- they began using animal models
The AI is a recommendation used when: - Answer-there are insufficient data to
establish the EAR
Nutrients that are defined as "conditionally essential" are: - Answer-not synthesized in
adequate amounts in specific populations
the DRI guideline that meets the nutrient intake needs of 97-98% of the population is -
Answer-RDA
which of the following is not included in the list of essential nutrients for humans as
described by Alfred Harper? - Answer-Phytonutrients
*vitamins, fatty acids, minerals, water, amino acids, CHO, fat, and protein all are
In contrast to RDA's, the DRIs now include "non-classical nutrients". An example is: -
Answer-cholesterol
of the numerous trace or ultra-trace elements which two have the strongest evidence for
essentiality - Answer-boron and chromium
The RDA is greater than the average requirement for all nutrients except: - Answer-
energy
*consuming more energy than required would lead to weight gain
what was the name of the dietary guidance first published for American consumers in
1941 to prevent nutrient deficiencies? - Answer-Recommended Dietary Allowance
the subcommittees charged with determining DRI's followed a common "road map" so
that the different committees would address the evaluation of different nutrients the
same way. Which of the following is least likely to be found in the "road map"? -
Answer-create a new system that will determine the exact requirement for every
individual in a population.
these would be likely:
-provide systematic evidence-based reviews of the literature on each nutrient
-use a set of consistent end points for the required intake of the nutrients
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