The radioactive chemical given to a patient for a PET scan is called:
A) contrast medium.
B) ion.
C) tracer.
D) curie.
C
Explanation:
A) A contrast medium is a dye or barium.
B) An ion is an atomic particle that carries an electrical charge.
C) Correct.
D) A curie is a unit of radioactivity.
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Indicate whether the statement is true or false
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a. true b. false