问题 单项选择题 共用题干题

患儿男,1岁,因“腹泻4d”来诊。尿量正常。查体:精神稍差,略有烦躁不安,皮肤稍干燥,弹性好,眼眶稍凹陷。实验室检查:血钠125mmol/L;血气分析:pH7.38,PCO232mmHg,HCO310mmol/L,BE-10mmol/L。考虑为轮状病毒性肠炎。

该患儿存在()

A.代谢性酸中毒

B.轻度低渗性脱水

C.轻度低渗性脱水+代谢性酸中毒

D.失代偿性代谢性酸中毒

E.代谢性碱中毒

答案

参考答案:C

单项选择题 案例分析题

What is logistics? In the current business environment,logistics is generally accepted as a very important element for the economic development and business growth of a region,especially a port city. In reality,what does logistics mean?In which way does it operate? For simple definition,logistics is a set of procedures in which commodity is delivered in an efficient manner from suppliers to customers.There are three key aspects to the concepts: 1.Movement of goods Goods can be considered as valuable objects,such as cargo and materials that are valua-ble and purchasable through commercial transactions and processes.Flow can be determined as methods in which goods are moved or transferred between locations,intermediaries and merchandisers.Modes of transportation include motor,rail,water,air and pipeline. 2.Direction of the flow of goods In the open market place,buyers and sellers represent two ends of a commercialtrans-action.Buyers are usually customers who demand the goods,while,as sellers are suppliers who provide such goods.When a transaction is agreed upon (sometimes payment is comple-ted,other times the payment is arranged to be completed at a later stage),the suppliers have the responsibility to arrange for the goods to be delivered to the customers. 3.Efficient management of the flow process The transportation of goods should bear low cost and ensure safety and punctuality.It should do its best to avoid wasting customers'resources.Currently,the flow of goods is generally controlled by both hardware and software.By hardware,we mean logistics facili-ties and equipment,such as ports,warehouses and trucks,ships,railroad,cars and air-lines.By software,we mean information system,standardization and data sharing.Questions:

What is logistics?()

A.It is a set of procedures in which goods are delivered from suppliers to customers in the manner of cost efficient and well service.

B.It is a part of a process to deliver goods and services from one place to another.

C.It is a process to transport and store goods.

D.It is the information system for goods movement.

选择题