搜题请搜索小程序“爱下问搜题”
问题 单项选择题

癌与肉瘤的主要区别是( )。

A．发生的部位不同

B．肿瘤的颜色不同

C．肿瘤的质地不同

D．发生的年龄不同

E．组织来源不同

答案

参考答案：E

解析： 上皮组织来源的恶性肿瘤称癌；间叶组织(纤维组织、脂肪、肌肉、骨、软骨等)来源的恶性肿瘤称肉瘤。

单项选择题 A1/A2型题

某支原体肺炎患者入院，予以红霉素静脉滴注。用药3天后，注射部位沿静脉走向出现条索状红线，伴红、肿、热、痛等症状，下列护理措施中哪项有错（）。

A.患肢抬高

B.患肢活动增加

C.50%硫酸镁热湿敷

D.局部理疗

E.更换注射部位
查看答案
单项选择题

NAC，s rNetwork Access Control)role is to restrict network access to only compliant endpoints and (71) users．However，NAC is not a complete LAN (72) solution；additional proactive and (73) security measures must be implemented．Nevis is the first and only comprehensive LAN security solution thatcombines deeD security processing of every packet at 10Gbps，ensuring a high level of security plus applicationavailability and Derformance．Nevis integrates NAC as the first line of LAN security (74) ．In addition toNAC．enterFIrises need to implement role．based network access control as critical proactive security measuresreal．time，multilevel (75) inspection and microsecond threat containment

A．automated
B．distinguished
C．authenticated
D．destructed
查看答案