What does DEXA stand for in osteoporosis assessment?

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Multiple Choice

What does DEXA stand for in osteoporosis assessment?

Explanation:
DEXA stands for Dual-energy X-ray absorptiometry, the standard method used to measure bone mineral density for osteoporosis assessment. By using two X-ray beams at different energy levels, it distinguishes bone from soft tissue and calculates density with high precision, yielding T-scores and Z-scores that help diagnose osteoporosis and guide treatment. The other options don’t describe this established technique: they aren’t recognized terms for bone densitometry and wouldn’t provide the bone-density measurements needed for osteoporosis evaluation.

DEXA stands for Dual-energy X-ray absorptiometry, the standard method used to measure bone mineral density for osteoporosis assessment. By using two X-ray beams at different energy levels, it distinguishes bone from soft tissue and calculates density with high precision, yielding T-scores and Z-scores that help diagnose osteoporosis and guide treatment. The other options don’t describe this established technique: they aren’t recognized terms for bone densitometry and wouldn’t provide the bone-density measurements needed for osteoporosis evaluation.

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