This topic contains a solution. Click here to go to the answer

Author Question: Technetium-99m is a radioisotope used in a variety of diagnostic tests. Technetium-99m has a short ... (Read 74 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

FergA

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

B

Answer to Question 2

B




FergA

  • Sr. Member
  • ****
  • Posts: 352

 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library