ELSEVIER CHAPTER 7 VITAMINS Exam 53 Questions with
Verified Answers
What is the upper intake level (UL) of retinol for adults established by the Dietary
Reference Intake Committee? - CORRECT ANSWER A. 100 mg/day
B. 600 IU/day
C. 2000 mg/day
D. 3000 mcg/day
Answer: D
Why does the body rely on frequent intake of foods rich in water-soluble
vitamins? - CORRECT ANSWER A. They are easily oxidized
B. They are easily absorbed by intestinal cells
C. The body does not store water-soluble vitamins
D. A reserve supply is necessary to meet bodily needs
Answer: C
Which statement is most accurate regarding vitamins? - CORRECT ANSWER A. All
vitamins are synthesized in the human body
B. Most vitamins are provided through dietary intake
C. Vitamins are not essential to metabolic function
D. Vitamins do not affect spiritual or emotional health
Answer: B
Which amount in micrograms (mcg) represents the daily recommended intake of
biotin? - CORRECT ANSWER A. 400
B. 2.4
C. 30
D. 5
Answer: C
, Which individual will have the highest intake of phytonutrients? - CORRECT
ANSWER A. A person who maintains a vegetarian diet
B. A person who takes dietary supplements
C. A person who eats whole grains for breakfast daily
D. A person who follows established daily recommended intake (DRI) for
phytonutrients
Answer: C
Which snack food is the best source of phytonutrients? - CORRECT ANSWER A.
Nuts
B. Pretzels
C. Oatmeal cookies
D. Wheat crackers
Answer: A
Which system is affected by a vitamin A deficiency? - CORRECT ANSWER A. Ocular
B. Neurologic
C. Musculoskeletal
D. Endocrine
Answer: A
A patient states to the nurse, " I eat plenty of grains and fruits to help prevent
cardiovascular disease, so I don't need a lot of vegetables." Which statement
regarding this patient is accurate? - CORRECT ANSWER A. Additional vegetables in
the diet are not needed at this time.
B. More fruits can be substituted for the vegetables not being eaten.
C. Vegetables should be added to obtain phytonutrients that some grains and
fruits do not contain.
D. A supplement can be added to the diet for additional phytonutrients.
Answer: C
Which physiological function do phytochemicals perform? - CORRECT ANSWER A.
Collagen synthesis
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