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5. Galium-68 has a half-life of 68 min for positron decay. The recommended amount of Galium-68 radioactivity to be administered for positron emission tomography (PET) imaging is 2 MBq/kg at the time of injection. If a freshly prepared Galium68 tracer solution has 64 MBq/mL, and it takes 3.5 hours to transport and ready for injection to patient. What volume of Galium-68 solution is required for PET scan on a 70-kg patient?
(A) 5.6 mL
(B) 7.5 mL
(C) 11.6 mL
(D) 14.2 mL
(E) 17.5 mL
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統計： A(0), B(1), C(0), D(1), E(2) #3847781
統計： A(0), B(1), C(0), D(1), E(2) #3847781
