Functions
Iron’s ability to change its charge allows it to act as a cofactor for enzymes involved in __________ reactions.
Oxidation - Reduction Reactions
What is the chemical symbol for Iron
Fe
Which population groups are at highest risk for iron deficiency?
Large doses of iron supplements can be __________ in young children.
Fatal
Iron is an essential ______ mineral
Trace
Iron is required for the synthesis of which four substances
amino acids
collagen
hormones
neurotransmitters
what charge does Ferrous Iron have
²⁺
What percentage of the population is affected by iron deficiency
10%
excessive _______ consumption can lead to an increase in iron absorption.
alcohol
Iron supplements are absorbed better/worse than dietary iron
worse
Iron forms part of the electron carriers that transfer __________ to oxygen
Hydrogen
Iron balance in the body is primarily maintained through the regulation of __________
Absorption
What is the RDA of iron for men
8 mg
What genetic condition causes iron overload?
Hemochromatosis
True or False: Iron cookware can increase the iron content of foods
True
What role does iron play in both hemoglobin and myoglobin
It carries, transports, and releases oxygen
Which of the 2 dietary forms of Iron is only found in animal derived foods
Heme Iron
What is the behavioral condition linked to iron deficiency that causes the craving of nonfood substances
Pica
What is the UL for iron in adults?
45 mg per day
Which dietary form of iron is more bioavailable
Most of the body’s iron is found in which two proteins?
Hemoglobin and Myoglobin
What is the oxidized form of iron
Ferric Iron
In Iron deficiency anemia what happens to the red blood cells
They become hypochromic (pale) and microcytic (small)
A deficiency or resistance to which hormone contributes to Hemochromatosis?
hepcidin
What is the protein that stores iron in the liver
Ferritin