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BIO NMDCAT Human skeleton
nmdcat.online July 27, 2026

A patient has a deficiency of calcium in the bone matrix. Which property of the bones is most likely affected first?

A. Elasticity
B. Hardness
✓
C. Ability to contract
D. Ability to conduct impulses

📝 Explanation

Correct: Calcium salts provide rigidity and hardness. A: Elasticity depends mainly on collagen. C: Bones do not contract. D: Bones do not conduct nerve impulses. Concept: Mineral composition of bone.

📖 Additional Information

  • Elasticity
  • Hardness
  • Ability to contract
  • Ability to conduct impulses

Correct: Calcium salts provide rigidity and hardness. A: Elasticity depends mainly on collagen. C: Bones do not contract. D: Bones do not conduct nerve impulses. Concept: Mineral composition of bone.

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