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NTR 401 NCSU Final Exam Questions and Answers
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NTR 401 NCSU Final Exam Questions and Answers
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NTR 401 NCSU Final Exam Questionsand 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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