關於評估尾骨(coccyx)時放射攝影方法的敘述,下列何者正確?
Aangle CR(central ray)10° caudad. direct CR 2 inches(5 cm)superior to symphysis pubis.正確答案
Bangle CR(central ray)15° caudad. direct CR to symphysis pubis.
Cangle CR(central ray)10° cephalad. direct CR 2 inches(5 cm)superior to symphysis pubis.
Dangle CR(central ray)15° cephalad. direct CR to symphysis pubis.
答案與詳解
