Multiple Choice
Fluorine-18 undergoes positron emission with a half-life of 1.10 × 102 minutes. If a patient is given a 248 mg dose for a PET scan, how long will it take for the amount of fluorine-18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body.)
A) 99 minutes
B) 1.7 × 102 minutes
C) 1.3 × 102 minutes
D) 3.0 × 102 minutes
E) 2.1 × 102 minutes
Correct Answer:
Verified
Correct Answer:
Verified
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