This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nuclear medicine, Subject name: Radiology
All are true about 18 FDG Pet scanning except 
Select and explain. 
A. Half Life Of 18F is 110 days, B. Brown adipose tissue shows normal symmetrical uptake, C. Detects pairs of gamma rays produced, D. Good functional detail but poor anatomical detail than CT
A: Half Life Of 18F is 110 days
Answer: A: Half Life Of 18F is 110 days 
Explanation: Half Life of 18F is 110 min