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BIO NMDCAT Human skeleton
nmdcat.online July 27, 2026

A surgeon removes the periosteum from part of a bone. Which function of the bone is most likely to be affected first?

A. Production of blood cells
B. Increase in bone thickness and repair
✓
C. Storage of calcium salts
D. Protection of internal organs

📝 Explanation

Correct: The periosteum contains osteoblasts responsible for appositional growth and fracture repair. A: Blood cells are produced in bone marrow. C: Mineral storage continues in existing bone. D: Protection remains unless bone is damaged. Concept: Role of periosteum.

📖 Additional Information

  • Production of blood cells
  • Increase in bone thickness and repair
  • Storage of calcium salts
  • Protection of internal organs

Correct: The periosteum contains osteoblasts responsible for appositional growth and fracture repair. A: Blood cells are produced in bone marrow. C: Mineral storage continues in existing bone. D: Protection remains unless bone is damaged. Concept: Role of periosteum.

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