About shoulder dislocation, which of the following statement is not correct? ()
A. Shoulder joint is empty
B. Shoulder deformity
C. Dugas sign (+)
D. Thomas sign (+)
查看答案
Because of the septum secundum fails to close,we call this kind of atrail septal defect _____________________ . ()
A. fossa ovalis type
B. ostium secundum defect
C. superior vena caval defect
D. ostium primum defect
Which branch of the coronary artery bypass graft is most common used left internal mammary artery? ()
A. Right;coronary artery
B. Left anterior descending
C. Posterior descending
D. Obtuse marginal branch
Esophageal carcinoma is treated by_____________________. ()
A. surgery
B. radiotherapy
C. chemotherapy
D. combination of surgery . radiotherapy and chemotherapy
Small cell cancer comprise____________________of all lung cancer. ()
A. 10-15%
B. 15%-20%
C. 20%-25%
D. 25-30%