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问题 单项选择题 A1/A2型题

患者，男性，40岁。胆石症取石手术后，放置“T”型管引流，拔除引流管的指征是（）。

A.术后1周，引流量减少

B.术后2周，引流量增加

C.术后2周，引流量减少，造影通畅

D.。术后体温正常，白细胞不高

E.术后1周，疼痛消失

答案

参考答案：C

名词解释

廉价报纸
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单项选择题 共用题干题

A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a  (2) and error-control mechanism at the transport level. TCP uses a sliding (3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve  (4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends  (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.

空白（4）处应选择（）

A.packet

B.time

C.error

D.phase
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