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Author Question: Technetium-99m is a radioisotope used in a variety of diagnostic tests. Technetium-99m has a short ... (Read 106 times)

Alainaaa8

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on: Aug 27, 2018
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.

Question 2

People with red hair have lots of
 
  A) melanin.
  B) phaeomelanin.
  C) chlorophyll.
  D) none of these


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FergA

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Alainaaa8

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Reply #2 on: Aug 27, 2018
Thank you!


FergA

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Reply #3 on: Aug 27, 2018
Always glad to help...


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