NAVLE（北美执业兽医考题）Day 447

单选题，正确答案是100分，非正确答案为0分，Good Luck！

Q1:Which one of these contrast media is radiolucent?以下哪种造影剂是射线可透过的？Find out the answer by clicking on one of the listed choices. Good luck!点击列出的选项找出答案，祝大家好运

A – Air 空气