皮皮学，免费搜题
登录
搜题
【单选题】
下列有关龛影的说法不正确的是A.
由于胃肠道壁产生溃烂，达到一定深度，造影时被钡剂填充
B.
当X线从病变区呈切线位投影时，形成一突出于腔外的钡斑影像
C.
胃溃疡时，形成的突出于胃腔之外的半圆形钡斑影像，称之为龛影或壁龛
D.
是来自胃肠道的肿瘤突向腔内而形成的影像，是肿瘤的直接征象
E.
双对比造影或压迫法检查正面观察时，可仅显示为局限性钡剂残留影像
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】举例说明,你对STEAM的理解
【简答题】p hase l abel parallel sensible peculiar e quivalent radical resent predict witness 1. Ernest Hemingway's keen insight into his society, ardent love for people and perceptive abilities helped him to f...
【简答题】phase label parallel sensible peculiar Equivalent radical resent predict witness 1. Ernest Hemingway's keen insight into his society, ardent love for people and perceptive abilities helped hi...
【简答题】Fill in the blanks with the words below. A. leaves B. altitude C. crosswind D. same E. straight F. straight ahead G. final H. departure I. perpendicular J. go-around K. straight out L. bank M. takeoff...
【简答题】举例说明你理解的算法是什么?
【简答题】将下列英文文段翻译为中文 How to monitor the brightness of a light in a circuit? Which segment decides the brightness of the light in the circuit, as shown in Fig 2-1 ? We can see the brightness adjustable l...
【单选题】A fault in magnetised material will best be detected when it lies in which of the following directions?
A.
Parallel to the magnetic field
B.
Perpendicular to the magnetising force
C.
Parrallel to the magnetising current
D.
Both perpendicular to the magnetic field and parrallel to the magnetising current
【简答题】你认为句子理解是如何实现的？请举例说明句法理解和语义理解的作用。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
