Nutrition 313 Exam 1 Questions With
Complete Solutions
What are DRIs and who are they used for? - CORRECT ANSWERS DRIs (Dietary Reference
Intakes) are used to assess the nutritional adequacy of individuals as well as populations (healthy
people)
What are the 4 standards under the umbrella of DRIs and what do they determine? - CORRECT
ANSWERS - RDA (Recommended Dietary Allowance): used to ensure adequate intake of a
nutrient in an individual, decrease risk of certain chronic diseases
- AI (Adequate Intake): used to assess nutrient adequacy when no RDA is set (tentative RDA's)
- EAR (Estimated Average Requirement): estimated values to meet requirements of half the healthy
individuals in a group, used to assess adequacy of intakes of population groups
- UL (Tolerable Upper Intake): used to assess the likelihood of nutrient excess or level in which a nutrient
becomes toxic
What is the ripple effect? - CORRECT ANSWERS dietary changes introduced to improve
intake of one nutrient affect intake levels of other nutrients
What are the 7 steps in developing a deficiency? - CORRECT ANSWERS 1. Inadequate
nutrient intake
2. Depletion of tissue reserves of the nutrient
3. Decreased blood nutrient level
4. Insufficient nutrient available to cells
5. Impaired cellular functions
, 6. Physical signs and symptoms of deficiency
7. Long-term impairment of health
What are the 7 steps in developing toxicity of a nutrient? - CORRECT ANSWERS 1. Excessive
nutrient intake
2. Saturation of tissue reserves of the nutrient
3. Increased blood nutrient level
4. Excessive nutrient available to cells
5. Impaired cellular functions
6. Physical signs and symptoms of toxicity
7. Long-term impairment of health
What is daily values? (DVs) - CORRECT ANSWERS daily values are standards for daily intakes
of nutrients used on a nutrition label (based on intakes of 2000 cals per day in adults and children aged 4
and up)
Is the DV for proteins required? - CORRECT ANSWERS no, only if the product makes a
protein claim or the product is used for children or infants less than 4 years of age
How are the ingredients on a food label listed? - CORRECT ANSWERS ingredients are listed in
descending order of weight
What's the rule for Daily Value Quick Guide? - CORRECT ANSWERS 5% or less is too low and
20% or higher is too much
What is enrichment? - CORRECT ANSWERS refined grain products have added thiamin,
niacin, riboflavin, and iron
Complete Solutions
What are DRIs and who are they used for? - CORRECT ANSWERS DRIs (Dietary Reference
Intakes) are used to assess the nutritional adequacy of individuals as well as populations (healthy
people)
What are the 4 standards under the umbrella of DRIs and what do they determine? - CORRECT
ANSWERS - RDA (Recommended Dietary Allowance): used to ensure adequate intake of a
nutrient in an individual, decrease risk of certain chronic diseases
- AI (Adequate Intake): used to assess nutrient adequacy when no RDA is set (tentative RDA's)
- EAR (Estimated Average Requirement): estimated values to meet requirements of half the healthy
individuals in a group, used to assess adequacy of intakes of population groups
- UL (Tolerable Upper Intake): used to assess the likelihood of nutrient excess or level in which a nutrient
becomes toxic
What is the ripple effect? - CORRECT ANSWERS dietary changes introduced to improve
intake of one nutrient affect intake levels of other nutrients
What are the 7 steps in developing a deficiency? - CORRECT ANSWERS 1. Inadequate
nutrient intake
2. Depletion of tissue reserves of the nutrient
3. Decreased blood nutrient level
4. Insufficient nutrient available to cells
5. Impaired cellular functions
, 6. Physical signs and symptoms of deficiency
7. Long-term impairment of health
What are the 7 steps in developing toxicity of a nutrient? - CORRECT ANSWERS 1. Excessive
nutrient intake
2. Saturation of tissue reserves of the nutrient
3. Increased blood nutrient level
4. Excessive nutrient available to cells
5. Impaired cellular functions
6. Physical signs and symptoms of toxicity
7. Long-term impairment of health
What is daily values? (DVs) - CORRECT ANSWERS daily values are standards for daily intakes
of nutrients used on a nutrition label (based on intakes of 2000 cals per day in adults and children aged 4
and up)
Is the DV for proteins required? - CORRECT ANSWERS no, only if the product makes a
protein claim or the product is used for children or infants less than 4 years of age
How are the ingredients on a food label listed? - CORRECT ANSWERS ingredients are listed in
descending order of weight
What's the rule for Daily Value Quick Guide? - CORRECT ANSWERS 5% or less is too low and
20% or higher is too much
What is enrichment? - CORRECT ANSWERS refined grain products have added thiamin,
niacin, riboflavin, and iron
