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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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rachel787 rachel787
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6 years ago
Which of the following is true regarding iron absorption?
 
  a. Vegetable nonheme iron is more easily absorbed than heme iron.
  b. Most of the iron consumed is absorbed.
  c. Ascorbic acid (vitamin C) enhances absorption.
  d. Those who are iron deficient absorb less iron.
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#1
6 years ago
ANS: C
Ascorbic acid (vitamin C) does enhance absorption of iron. Vegetable nonheme iron is less readily absorbed than heme iron, even though it makes up more of our dietary iron source. Only approximately 10 of dietary iron is absorbed per day. People who are iron deficient absorb a larger percent of iron than do normal persons.
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