RD Exam Questions: Topics from Domain 1
(Study Schedule: Week 1, Day 3) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Where in the body is vitamin D hydroxylated to 25-hydroxyvitamin D? - CORRECT
ANSWER - Liver
Choose the statement that best describes the function of copper:
-It is involved in taste perception.
-It is a component of the thyroid hormone.
-It is necessary for the formation of hemoglobin.
-It enhances insulin activity. - CORRECT ANSWER - It is necessary for the formation of
hemoglobin
Pyridoxine is another name for - CORRECT ANSWER - Vitamin B6
Which vitamin enhances iron absorption? - CORRECT ANSWER - Vitamin C
Breastfed infants of mothers who consumed a vegan diet while pregnant would benefit from
supplementation of what micronutrient? - CORRECT ANSWER - Vitamin B12
A patient presents with lesions on his gums and pinpoint hemorrhages on the skin. What vitamin
is the patient most likely deficient in? - CORRECT ANSWER - Vitamin C
Which nutrient signals muscles to relax and contract, may help maintain immune response, and
promotes normal blood pressure? - CORRECT ANSWER - Magnesium
,Which mineral aids in cell growth and boosts immune function? - CORRECT ANSWER -
Selenium
Which of the following nutrients is required to be included as a Percent Daily Value on food
labels?
Vitamin A
Potassium
Vitamin D
Iodine - CORRECT ANSWER - Vitamin A
(Percent Daily Value is required on food labels for total fat, saturated fat, cholesterol, sodium,
total carbohydrate, dietary fiber, vitamin A, vitamin C, calcium, and iron.)
Which set of dietary intake values establishes a goal for dietary intake that will meet the needs of
nearly all healthy people? - CORRECT ANSWER - Recommended Dietary Intake
Which set of dietary intake values meets the established nutrient needs of one-half of the
individuals in a specific group? - CORRECT ANSWER - Estimated Average Requirement
Which set of dietary intake values is an estimate of average requirements when evidence is not
available to establish an RDA? - CORRECT ANSWER - Adequate Intake
Which set of dietary intake values is the maximum intake by an individual that is unlikely to
pose risks for adverse health effect in a healthy individual in a specific group? - CORRECT
ANSWER - Tolerable Upper Intake Level
Which of these individuals is most likely to present with Wernicke-Korsakoff syndrome?
, A premature infant
An alcoholic man
A postmenopausal woman
A disabled child - CORRECT ANSWER - An alcoholic man
(abuse of alcohol often leads to a severe form of thiamin deficiency known as Wernicke-
Korsakoff syndrome)
Table salt is fortified with this nutritive additive to help prevent goiter - CORRECT
ANSWER - Potassium iodide
Which nutrient is most affected by food processing? - CORRECT ANSWER - Vitamins
Which of the following nutrients should a pregnant woman avoid excess of?
Vitamin A
Vitamin B-6
Folic acid
Iron - CORRECT ANSWER - Vitamin A
Which set of nutrients and/or food components are associated with the formation of cataracts in
older adults? - CORRECT ANSWER - Vitamin C, vitamin E, carotenoids
(carotenoids are high in oxidants and oxidative stress can cause cataracts)
In order to absorb folate consumed from green, leafy vegetables, _______. - CORRECT
ANSWER - Glutamic acid molecules must be removed
(Study Schedule: Week 1, Day 3) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Where in the body is vitamin D hydroxylated to 25-hydroxyvitamin D? - CORRECT
ANSWER - Liver
Choose the statement that best describes the function of copper:
-It is involved in taste perception.
-It is a component of the thyroid hormone.
-It is necessary for the formation of hemoglobin.
-It enhances insulin activity. - CORRECT ANSWER - It is necessary for the formation of
hemoglobin
Pyridoxine is another name for - CORRECT ANSWER - Vitamin B6
Which vitamin enhances iron absorption? - CORRECT ANSWER - Vitamin C
Breastfed infants of mothers who consumed a vegan diet while pregnant would benefit from
supplementation of what micronutrient? - CORRECT ANSWER - Vitamin B12
A patient presents with lesions on his gums and pinpoint hemorrhages on the skin. What vitamin
is the patient most likely deficient in? - CORRECT ANSWER - Vitamin C
Which nutrient signals muscles to relax and contract, may help maintain immune response, and
promotes normal blood pressure? - CORRECT ANSWER - Magnesium
,Which mineral aids in cell growth and boosts immune function? - CORRECT ANSWER -
Selenium
Which of the following nutrients is required to be included as a Percent Daily Value on food
labels?
Vitamin A
Potassium
Vitamin D
Iodine - CORRECT ANSWER - Vitamin A
(Percent Daily Value is required on food labels for total fat, saturated fat, cholesterol, sodium,
total carbohydrate, dietary fiber, vitamin A, vitamin C, calcium, and iron.)
Which set of dietary intake values establishes a goal for dietary intake that will meet the needs of
nearly all healthy people? - CORRECT ANSWER - Recommended Dietary Intake
Which set of dietary intake values meets the established nutrient needs of one-half of the
individuals in a specific group? - CORRECT ANSWER - Estimated Average Requirement
Which set of dietary intake values is an estimate of average requirements when evidence is not
available to establish an RDA? - CORRECT ANSWER - Adequate Intake
Which set of dietary intake values is the maximum intake by an individual that is unlikely to
pose risks for adverse health effect in a healthy individual in a specific group? - CORRECT
ANSWER - Tolerable Upper Intake Level
Which of these individuals is most likely to present with Wernicke-Korsakoff syndrome?
, A premature infant
An alcoholic man
A postmenopausal woman
A disabled child - CORRECT ANSWER - An alcoholic man
(abuse of alcohol often leads to a severe form of thiamin deficiency known as Wernicke-
Korsakoff syndrome)
Table salt is fortified with this nutritive additive to help prevent goiter - CORRECT
ANSWER - Potassium iodide
Which nutrient is most affected by food processing? - CORRECT ANSWER - Vitamins
Which of the following nutrients should a pregnant woman avoid excess of?
Vitamin A
Vitamin B-6
Folic acid
Iron - CORRECT ANSWER - Vitamin A
Which set of nutrients and/or food components are associated with the formation of cataracts in
older adults? - CORRECT ANSWER - Vitamin C, vitamin E, carotenoids
(carotenoids are high in oxidants and oxidative stress can cause cataracts)
In order to absorb folate consumed from green, leafy vegetables, _______. - CORRECT
ANSWER - Glutamic acid molecules must be removed
