第四章单元测试
- Which of the following is not characteristic of gastric stromal tumor （ ）
- Which is the sign of cardiac spasm? （ ）
- All foreign bodies ingestion can be excreted without intervention. （ ）
A:destruction of mucosal lines B:luminal type C:internal and external luminal growth D:luminal type
答案:destruction of mucosal lines
A:Narrow lower esophagus with serrated margin B:Narrow lower esophagus with rigid contour and unable to expand C:Narrow lower esophagus with smooth edge and normal mucosa D:Irregular filling defect of lower esophagus
答案:Narrow lower esophagus with smooth edge and normal mucosa
A:对 B:错
答案:错
