NTR 401 NCSU Final Exam Questions
and Answers
To ensure adequate vitamin uptake, which figure encompasses the largest proportion of
the population's needs?
a. EAR
b. RDA
c. UL
d. Both A and B
e. Both B and C - Answer-c. UL
Daniel Rudman, who postulated the idea of conditional essentiality, listed these
requirements for the nutrient in the event that a nutrient was withheld from the diet. -
Answer-- Decline in plasma level of the nutrient into the subnormal range
- Appearance of chemical, structural, or functional abnormalities
- Correction of both these by a dietary supplement of the nutrient
The DRI Guideline that meets the nutrient intake needs of half the healthy individuals
is?
a. RDA
b. UL
c. AI
d. EAR - Answer-d. EAR
Which of the following are considered essential nutrients, according to Alfred Harper?
a. Fatty acids
b. Water
c. Amino Acids
d. A and C
e. All of the above - Answer-e. All of the above
The DRI is made up of the following systems of measurement:
a. RDA
b. EAR
c. AMDR
d. AI
e. UL
f. All of the above - Answer-f. All of the above
, T/F When trying to determine potential hazards of over exposure to a substance
(nutrient), a benchmark dose of UL is usually used to avoid subjects being harmed by
excess intake of nutrient. - Answer-a. True
Of the following, which is NOT considered an essential nutrient:
a. Water
b. Iodine
c. Biotin
d. Iron - Answer-c. Biotin
A conditionally essential nutrient typically___ essential and ____ but becomes essential
when synthesis is ____ - Answer-not, synthesized, inadequate
Chemical substances that are essential for the body are called and some examples of
nutrients are..... - Answer-Indispensable
What value of DRI is used when the RDA value of nutrient cannot be determined?
Define that value. - Answer-Adequate Intake (AI): The recommended average daily
intake level based on observed or experimentally determined approximations or
estimates of nutrient intake by a group (or groups) of apparently healthy people that are
assumed to be adequate-used when an RDA cannot be determined
Name one of the reasons for USDA to develop a food pyramid. - Answer-Designed to
translate recommendations on nutrient intake into recommendations of food intake
An element is ____ if without adequate intake there are characteristic signs of a
deficiency disease. - Answer-Essential
Who and what does the RDA account for? - Answer-People that are healthy
List three of the 5 reference values that DRI include: - Answer-RDI, EAR, UL
Low insulin, High glucagon, low CCK, increasing ghrelin are all components that
indicate______. - Answer-Hunger
The peripheral body sysytems, the central nervous system, metabolic influences (i.e.
blood nutrient levels), and disease states (such as anorexia or obesity) all impact
one's____. - Answer-Hunger
In the fasted state, which hormone is secreted by the pancreas to increase the
availability of glucose in the bloodstream?
a. Insulin
b. Ghrelin
c. Glucagon
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