Which of the Following Is a Characteristic of Iron Deficiency

Multiple Choice

Which of the following is a characteristic of iron deficiency and behavior?

A) Erythrocyte iron levels fall before mental alertness is affected
B) Moderate iron deficiency promotes constipation
C) Mild iron deficiency impairs energy metabolism and neurotransmitter synthesis
D) Iron deficiency increases risk for infections that promote dysfunctional behavior
E) Severe iron deficiency is associated with paradoxical hyperactivity.