51.全身骨骼造影發現有局部病灶，需更進一步了解，應改以下列何種準直儀進行局部造影加以確 認？
(A)high resolution collimator
(B)slant hole collimator
(C)fan-beam collimator
(D)divergent collimator

答案：登入後查看
統計： A(609), B(100), C(104), D(110), E(0) #1070589