Practice Quiz

NASM Personal Trainer

Category - Nutrition

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Some nutrients are toxic at higher levels and should be carefully monitored, such as which vitamin that can cause birth defects if its intake is excessive at conception?
  1. Vitamin A
  2. Vitamin B6
  3. Calcium
  4. Iron
Explanation
Answer - A - Some nutrients are toxic at higher levels and should be carefully monitored, such as vitamin A, which can cause birth defects if its intake is excessive at conception. Excessive amounts of B6 can causes damage to sensory nerves, excessive calcium can increase risk of kidney stones, and excessive iron can interfere with absorption of other minerals.
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