Question

3 — trace minerals
learning objective: indicate the type, source, and role of trace minerals in the body.
which of the following is considered a trace mineral?

a.) magnesium
b.) sulfur
c.) iron
d.) calcium

Explanation:

Major minerals (macrominerals) like Magnesium, Sulfur, and Calcium are needed in larger amounts (hundreds of milligrams daily). Trace minerals, like Iron, are required in very small amounts (usually less than 100 milligrams daily). So Iron is a trace mineral, while the others are major minerals.

Answer:

c.) Iron