Question

Bone matrix is rich in

• A. fluoride and calcium
• B. Calcium and phosphorus
• C. Calcium and potassium
• D. Phosphorous and potassium

Answer 1

The correct option is B

Calcium and phosphorus

The correct option is B.

Explanation of correct option:

1. Bone is a specialized connective tissue.
2. Osteocytes, osteoblasts, and a highly calcified bone matrix comprise bone.
3. Another name for the bone matrix is osteoid.
4. It comprises 33 % organic matter and 67% inorganic matter.
5. Inorganic matter includes calcium phosphate and hydroxyapatite crystals.
6. The organic matter is mostly Type I collagen.
7. Bone matrix is rich in calcium and phosphorous.

Final answer: Bone matrix is rich in calcium and phosphorous.