4岁男孩，右侧阴囊包块，平卧后可消失，透光试验阳性，应考虑的_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

4岁男孩，右侧阴囊包块，平卧后可消失，透光试验阳性，应考虑的诊断是（）。

A．睾丸鞘膜积液

B．交通性鞘膜积液

C．右侧斜疝

D．睾丸肿瘤

E．附睾结核

答案

参考答案：B

单项选择题 A1/A2型题

T和B淋巴细胞接触抗原后再繁殖的场所是（）

A.肝和淋巴结

B.脾和淋巴结

C.骨髓

D.淋巴结

E.胸腺

选择题

He ______ full marks, but he was so careless as to make a spelling mistake.[ ]

A. must have gained

B. can have gained

C. could have gained

D. must gain