女性 ,40岁,高热,皮肤瘙痒半月,右颈及锁骨上淋巴结肿大,无压痛,互相粘连,血红蛋白90g/L,白细胞10×109/L,中性66%,淋巴24%,骨髓涂片找到里-斯细胞 。
首选的治疗方案是( )
根据酶的分类,以下哪种酶能够催化底物发生水解反应( )
氧化还原酶
转移酶
水解酶
裂合酶
异构酶
患者男,30岁。30分钟前被刀刺右前胸部,咳血痰,呼吸困难。体检:血压107/78mmHg,脉搏96次/分,右前胸有轻度皮下气肿,右锁骨中线第4肋间可见3cm长创口,随呼吸有气体进出伤口响声。
该患者纵隔的位置是
请阅读 Passage l,完成第 21~25小题。
Passage 1
"THE SERVANT"(1963) is one of thosefilms that it is impossible to forget. The servant exploits his master'sweaknesses until he turns the tables: the story ends with the a cringing masterministering to a lordly servant. It is hard to watch it today without thinkingof another awkward rela-tionship-the onebetween business folk and their smartphones.
Smart devices are sometimes empowering.They put a world of information at our fingertips. But for most people theservant has become the master. Not long ago only doctors were on call all thetime. Now everybody is. Bosses think nothing of invading their employees ' free time. Work invades the home far morethan domestic chores invade the office.
Hyperconnectivity exaggerates the declineof certainty and the general cult of flexibility. Smartphones make it easierfor managers to change their minds at the last moment. Employees find it ever harderto distinguish between "on-time" and "off-time"—and indeed between realwork and makework. None of this is good for businesspeople ' s marriages ormental health. It may be bad for business, too. When bosses change their mindsat the last minute, it is hard to plan for the future.
How can we reap the benefits ofconnectivity without becoming its slaves? One solution is digital dieting.Banning browsing before breakfast can reintroduce a small amount ofcivilization. Banning texting at weekends or, say, on Thursdays, can reallyshow the iPhone who is boss.
The problem with this approach is that itworks only if you live on a desert island or at the bottom of a lake. LesliePerlow of Harvard Business School argues that for most people the only way to breakthe 24/7 habit is to act collectively rather than individually. One of theworld's most hardworking organisations, the Boston Consulting Group, introducedrules about when people were expected to be offline, and encouraged them towork together to make this possible. Eventually it forced people to work moreproductively while reducing burnout.
MsPerlow' s advice should be taken seriously. The problem of hyperconnectivitywill only get worse, as smartphones become smarter and young digital natives takeover the workforce. But ultimately it is up to companies to outsmart thesmartphones by insisting that everyone turn them off from time to time.
The example of Boston Consulting Group is used to illustrate that _____.
肾功能不全者的用药原则不包括( )
避免或减少使用肾毒性大的药物
避免与有肾毒性的药物联合使用
肾功能不全而肝功能正常者可选用双通道(肝、肾)排泄的药物
定期监测肾功能,及时调整给药剂量
避免或减少使用肝毒性大的药物
患者,女,沁岁。10天来咳嗽、发热38T,自服感冒药不见好转,黄痰逐渐增多,30~50ml/d,偶尔有脓血痰。外周血白细胞19X109/L,胸片见右肺有大片模糊阴影,其中有一带液平面的薄壁空洞。首先考虑()。