第20题: [单项选择]血容量与血钠均增高() A. 高渗性脱水 B. 等容量性高钠血症 C. 3.5~5.5mmol/L D. 高容量性高钠血症 E. 0.75~1.25mmol/L 参考答案:D 答案解析:等容量性高钠血症的特点是血钠升高,血容量无明显变化;高容量性高钠血症的特点即为血容量与血钠均增高;高热患者经皮肤失水,水分丢失过多,即易引起高渗性脱水;正常人的血清钾浓度是3.5~5.5mmol/L。
第33题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. Many of her books are bestsellers. B. She is a shrewd bookstore owner. C. She is promoting her book in person. D. She is a salesperson at the bookstore. 参考答案:C 答案解析:[听力原文]22-25 W: [22] Interested in this book This is our best seller this week. M: Best seller