Older women require less dietary iron than younger women because older women have
a. decreased turnover of red blood cells.
b. decreased iron losses after menopause.
c. replacement of hemoglobin with myoglo-bin.
d. lower levels of activity, requiring less oxygen to be transported to the cells.
B
Older women require less dietary iron than younger women because they do not lose iron with menstrual blood losses after menopause. Red blood cell turnover does not change with age. He-moglobin is the oxygen-carrying pigment in blood, myoglobin is the oxygen-carrying pigment in muscles, and one does not replace the other with age. Older women are not necessarily less active than younger women.
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