细胞内外液的渗透压的平衡主要依靠如下哪种物质的移动来维持()。
A.Na+
B.K+
C.葡萄糖
D.蛋白质
E.水
参考答案:E
婴幼儿易患呼吸道感染的原因是()
A.咳嗽反射较弱
B.SIgA、IgA、IgG含量低
C.纤毛运动功能差
D.乳铁蛋白、干扰素含量少
E.以上都不是
The nurse is preparing to discharge a child who has rheumatic fever. Which of the following medications is prescribed to prevent recurrence of rheumatic fever ?()
A.Glucocorticoids.
B.Digoxin.
C.Antibiotics.
D.Anti-inflammatory medications.