The ability of the skin to synthesize vitamin D is decreased by
A) the use of sunscreen.
B) excessive dietary calcium intake.
C) excessive dietary phosphorus intake.
D) the use of a tanning bed.
Correct Answer:
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Q41: Deposition of calcium and phosphorus in the
Q42: In green vegetables, such as broccoli, the
Q43: The nutrient that can be considered both
Q44: Beta-carotene is a precursor to
A) vitamin A.
B)
Q45: Vitamin D is unique among the vitamins
Q47: Lycopene is found in
A) grapes.
B) carrots.
C) tomatoes.
D)
Q48: The leading cause of blindness among older
Q49: Vitamin D toxicity is most likely a
Q50: The bioavailability of carotenoids is affected by
A)
Q51: Which of the following is true about
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