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← ScienceWhich outcome occurs when radioactive strontium-90 accumulates in bone?
A)Increased risk of bone marrow failure✓
B)Stimulation of new bone tissue growth
C)Enhanced calcium absorption efficiency
D)Decreased susceptibility to bone fractures
💡 Explanation
Strontium-90 undergoes Beta decay, emitting radiation near bone marrow because it's chemically similar to calcium. This causes cellular damage within the marrow; therefore, increased strontium-90 accumulation increases the risk of marrow failure, rather than stimulating growth or increasing calcium absorption.
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