男,60岁,突发心前区疼痛4小时,心电图示急性前壁心肌梗死,既往无高血压、癫痫和出血

题型:单项选择题 A3/A4型题

问题:

男,60岁,突发心前区疼痛4小时,心电图示急性前壁心肌梗死,既往无高血压、癫痫和出血性疾病史。入院时心率80次/分,律齐,血压150/90mmHg(20/12kPa),入院后2小时突然出现短暂意识丧失,抽搐,心音消失。

急性心肌梗死4小时,最适宜的治疗方案是()

A.哌替啶+静滴硝酸甘油

B.溶栓治疗+静滴硝酸甘油

C.射频消融治疗+静滴硝酸甘油

D.静滴硝酸甘油

E.糖皮质激素+静滴硝酸甘油

考点:临床执业助理医师第二章心血管系统第二章心血管系统题库
题型:单项选择题 A3/A4型题

Tom is my friend.  I’m in Class Three with ______ .  [ ]

A. her        

B. she  

C. him          

D. he

题型:单项选择题 A3/A4型题

二氧化硫工业上可用于生产硫酸,化学方程式为2SO2+O2+2H2O==2H2SO4。现有32吨SO2气体,欲使它完全转化为硫酸,至少应通入氧气多少吨?

题型:单项选择题 A3/A4型题

直接反映HBV复制能力的指标是( )

A.HBsAg
B.抗HBc
C.HBeAg
D.HBcAg
E.HBV-DNA

题型:单项选择题 A3/A4型题

Researchers at the University of Arizona, led by Teresa Cummins, conducted an exploratory study on the online learning modules, designed to supplement hands-on classes taught by local experts and supported by an overview text, to help users increase their understanding of key concepts in the Arizona Master Watershed Steward program. They also sought to determine whether program participants would use the non-compulsory modules.

Their evaluation revealed that module users increased their understanding of key watershed concepts; participants in the evaluation demonstrated a 30 percent increase in content knowledge following module use. Additionally, 70 percent of participants retained this knowledge through a two-month follow-up test.

A follow-up survey showed that approximately half of the participants returned to the online modules on their own; several of these users returned several times and spent multiple hours per session. Comments from the follow-up survey suggested that the users accessed the site either as they had the time or as they needed the information.

Online usage statistics indicated participants continued to visit the site for many months following the modules’ release and advertisement. Though many visits were very brief (a single pageview; only a couple of seconds), visitors with many returns to the site and/or long visits appeared to be working through the modules.

One participant stated, "My brain can only hold so much information; the modules keep information on-hand." Other participants commented that the modules were "more interesting and interactive" than the text material, and a "very effective tool" and "a great resource to the Master Watershed Steward community."

The Arizona Master Watershed Steward program, sponsored by University of Arizona, prepares adults to serve as volunteers in the conservation of water resources and the protection, restoration, and monitoring of their watersheds. The modules were intended to reinforce concepts covered in classes and further engage participants in the learning process.

One key finding was that the modules were not clearly preferred by users over in-person instruction. One participant stated, "For me, they are just another avenue for learning, a supplement or additional reference. I prefer in person and real hands-on learning." Other participants similarly expressed their desire for hands-on and face-to-face interaction. Several participants noted that the usefulness of in-person lectures—was a function of the presenter.

Overall, the exploratory evaluation indicated that the modules were a welcome supplement to the course and were effective in reinforcing key concepts. Participants retained knowledge for several weeks, although since subjects were self-selected, they may have been self-motivated to pay attention and master the online module materials.

"I am constantly searching for new ways to educate our program’s diverse audiences and reinforce watershed science concepts, " says Candice Rupprecht, state coordinator for the Master Watershed Steward program. "I am excited to know that online learning modules can enhance our program by offering additional independent learning opportunities for our volunteers.

Which of the following is true of the online learning()

A. It can show the diligence of one particular learner in content knowledge learning

B. Many visitors of the site are impressed by its friendly interface

C. It can help program participants to carry out researches

D. It can enrich program participants’ experience in water conservation

题型:单项选择题 A3/A4型题

1980年前后,试了欧洲公司开始实施JIT计划。为了保证整个系统的顺利实施,公司安装了自动化物料处理系统和信息处理系统,同时还更新了生产流程,在成功运行该系统一段时间后,公司获得了如下收获:供应商从3000个减少到300个;入场交货的准确率达到98%,其中有70的原料是需要一小时内送到的;库存保用量从供3个月用降低至供0.5个月用的,整体物料减少成本了约40%;由于供应上产品质量的提高,多数入厂产品检验站被撤销了,因缺陷或质量而拒收的比例从17%降至0.8%;入厂运输成本降低了40%。
根据给材料分析

什么是JIT管理?JIT管理系统包括哪些组成部分?

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