试题与答案

糖尿病视网膜病变的超声表现是()①视网膜增厚回声增强,球壁增厚②视网膜血流减少③视网

题型:单项选择题

题目:

糖尿病视网膜病变的超声表现是()①视网膜增厚回声增强,球壁增厚②视网膜血流减少③视网膜血流增加④视网膜中央动脉血流速度减低PI、RI增高⑤视网膜中央动脉血流速度减低PI、RI减低⑥视网膜中央静脉血流增高A/V减少⑦视网膜中央静脉血流降低A/V增大()。

A.①②④⑥

B.①③⑤⑦

C.①②⑤⑦

D.①③④⑥

E.②③⑤⑦

答案:

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参考答案:A

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