The Recommended Daily Allowance (RDA) of Calcium Is 1

question 50

Multiple Choice

The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium

• A) 0.10 g
• B) 0.14 g
• C) 1.2 g
• D) 10 g
• E) 14 g

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Definitions:

Osteons

Also known as Haversian systems, cylindrical structures that contain a mineral matrix and living osteocytes, helping to give bone its strength and density.

Diameter

A straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Osteoblasts

Bone-forming cells that synthesize the bone matrix and are responsible for bone growth and repair.

Chondrocytes

Chondrocytes are the only cells found within healthy cartilage, responsible for maintaining the cartilaginous matrix.