NFS 4271 Study Guide - Quiz Guide: Genetic Disorder, Mean Corpuscular Volume, Antigen
17 Sep 2017
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Explain the difference between trace and ultratrace minerals. Typically defined as minerals needed in amounts of <100 mg/day. Rdas established for fe, zn, cu, se, i, & mo. Nonheme iron: nuts, fruits, vegetables, grains, tofu, dairy. A class of pigments (including heme and chlorophyll) whose molecules contain a flat ring of four linked heterocyclic groups, sometimes with a central metal atom mg or fe. Up to 120 mg/day for iron deficiency treatment. Liver, beef, chicken, clams, oysters, beans, spinach, collard greens, raisins, fortified foods (breads, rolls, pasta, cereals, cereals, grits, corn meal, and rice. More people in the world are deficient in iron that any other nutrient. Oldest nutrient studied for more than 100 years. low causes anemia high linked to cvd & cancer. Concern over the amount of fortification in foods and supplements for some age group and gender. Lower percent absorption than from food sources. Ferrous sulfate or ascorbate better absorbed than iron chelates (protects iron, better absorbed)
