The measure expressed in g/cm^2 is which?

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Multiple Choice

The measure expressed in g/cm^2 is which?

Explanation:
g/cm^2 is the unit for areal bone mineral density. This measure captures how much mineral is present in a given area of bone scanned, which is what DXA reports for regions like the spine or hip. In other words, it reflects mineral per unit area, not the total mineral content. The other terms describe different things: bone mineral content is the total mineral amount in grams (not per area), bone densitometry refers to the technique used to assess density, and osteoblasts are the bone-forming cells. Clinically, lower BMD indicates weaker bone and higher fracture risk.

g/cm^2 is the unit for areal bone mineral density. This measure captures how much mineral is present in a given area of bone scanned, which is what DXA reports for regions like the spine or hip. In other words, it reflects mineral per unit area, not the total mineral content. The other terms describe different things: bone mineral content is the total mineral amount in grams (not per area), bone densitometry refers to the technique used to assess density, and osteoblasts are the bone-forming cells. Clinically, lower BMD indicates weaker bone and higher fracture risk.

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