Which of the following is a characteristic of iron deficiency in children?
a. It affects brain function before anemia sets in.
b. It rarely develops in those with high intakes of milk.
c. It is the primary factor in tension-fatigue syndrome.
d. Mild deficiency enhances mental performance by lowering physical activity level, thereby leading to increased attention span.
e. Children who had iron deficiency as infants recover completely when iron levels are normalized.
Question 2
Which of the following is a characteristic of lead exposure and health?
a. Absorption of lead is higher on an empty stomach.
b. Lead toxicity is most prevalent in children around the time of puberty.
c. Lead-induced anemia is similar to the anemia of vitamin B12 deficiency.
d. The symptoms of lead toxicity can be reversed by adding iron to the diet.
e. Lead exposure is extremely rare in the U.S..
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