Multiple Choice
To measure the activity of the human brain during certain thought processes, a short-lived radioactive sugar is injected in the carotid artery and is utilized by those cells that are most active. This shows up on a PET scan and demonstrates the detection of
A) ionic bonds.
B) high levels of radiation.
C) covalent bonds.
D) neutrons.
E) isotopes.
Correct Answer:

Verified
Correct Answer:
Verified
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