Technetium-99ᵐ Is a Radioisotope Used in a Variety of Diagnostic

question 58

Multiple Choice

Technetium-99ᵐ is a radioisotope used in a variety of diagnostic tests.Technetium-99ᵐ has a short half-life (6 hr) .The advantage of a short half-life for diagnostic purposes is

• A)the radioactivity is easier to monitor.
• B)the radioactivity does not linger in the body.
• C)the radioactivity lasts for a long time.
• D)the chemical reactions induced by the technetium are more rapid.

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Definitions:

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