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【单选题】
( ),是中国外交政策的宗旨A.
维护国家安全、促进国家发展
B.
维护世界和平、促进共同发展
C.
独立自主、自力更生
D.
和平共处、和谐共生
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举一反三
【单选题】Esophageal carcinoma is the most common tumor of the esophagus.
A.
恶性肿瘤
B.
支气管肺癌
C.
肝囊肿
D.
食道癌
【单选题】A 43-year-old man has complained of mild burning substernal pain following meals for the past 3 years. Upper GI endoscopy is performed and biopsies are taken of an erythematous area of the lower esoph...
A.
Dysplasia
B.
Hyperplasia
C.
Carcinoma
D.
Ischemia
E.
Metaplasia
【单选题】Which type does this picture of esophageal carcinoma present grossly?【图片】
A.
ulcerative type
B.
polypoid exophytic type
C.
diffuse infiltrative type
D.
narrowing type
【单选题】A 68-year-old man from Birmingham, England, has had “heartburn” and substernal pain after meals for 25 years. For the past year, he has had increased pain with difficulty swallowing both liquids and s...
A.
Adenocarcinoma
B.
Carcinoid tumor
C.
Leiomyosarcoma
D.
Non-Hodgkin lymphoma
E.
Squamous cell carcinoma
【单选题】A 60-year-old man presents with a 5-week history of difficulty swallowing. Physical examination is unremarkable. Upper endoscopy shows a large mass in the upper third of the esophagus. A biopsy is sho...
A.
Adenocarcinoma
B.
Glandular metaplasia
C.
Malignant melanoma
D.
Squamous cell carcinoma
E.
Transitional cell carcinoma
【单选题】A 68-year-old woman has had substernal pain after meals for many years. For the past year, she has had increased difficulty swallowing liquids and solids. On physical examination, there are no remarka...
A.
Adenocarcinoma
B.
Leiomyosarcoma
C.
Squamous cell carcinoma
D.
Non-Hodgkin lymphoma
E.
Carcinoid tumor
【单选题】Esophageal carcinoma arises mostly in
A.
the lower part of esophagus.
B.
the middle third of esophagus.
C.
the upper part of esophagus.
D.
the esophageal-gastric junction.
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