男孩,7岁,因发热10天,伴精神萎靡、纳差、腹胀,大便稀糊状,每日2次,经当地治疗效果欠佳。体检:体温39.5℃,神清,表情淡漠,胸背皮肤有散在性5个玫瑰色斑丘疹,压之退色,心、肺无异常,腹软、略胀,肝肋下3.5cm,脾肋下2.0cm。如需确诊,须做的实验室检查是()
A. 血培养及肥达试验
B. PPD
C. 胸片
D. 纤维结肠镜
E. 嗜异凝集试验
患者男,12岁,因“双乳肿痛1月余”来诊。患者5年前因双侧隐睾、阴茎下弯行双侧腹股沟探查术及阴茎下弯矫正术,术中未探及睾丸样组织。近1个月出现双侧乳房肿痛。查体:双侧乳房肿大,乳核1cm;双侧腋下可触及无痛性淋巴结数个,直径均小于1.0cm。下一步的处理方法为()
A. 药物治疗乳腺发育
B. 剖腹探查寻找睾丸
C. 经皮穿刺左肾下极团块
D. 乳腺成形术
E. 左肾下极团块切除术
F. 放射治疗
男性,20岁,农民,因高热伴头痛腰痛3天,无尿2天,于12月入院。查体:体温39.6℃,血压75/45mmHg,神清,颈软,结膜充血,软腭散在针尖样出血点。周围血液白细胞数为16.2×10/L,N0.80,L0.16,可见异型淋巴细胞。尿蛋白++++,血小板为7.3×10/L。对本例诊断有意义的实验室检查是()
A. 头颅CT检查
B. 肌电图检查
C. 肥达反应
D. 血液培养细菌
E. 检测血清中流行性出血热的IgM抗体
The job to gather optimizer statistics for objects runs as part of the automatic maintenance window inyour database instance. At a certain point of time, the maintenance window closes before the statisticsare gathered for all objects. Which statement is true in this scenario()
A. The statistics collection continues until all objects are processed.
B. The job is terminated and the statistics collected are restored to a time before the job started.
C. This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.
D. The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened.