炎症早期,血管首先出现的变化是:
A.细静脉扩张,血流变慢
B.血管壁通透性增加
C.细动脉扩张,血流加快
D.细动脉短暂痉挛
E.细静脉和毛细血管扩张,血流淤滞
参考答案:D
消防工作的“四懂四会”中的“四懂”是指()
A.懂本岗位的火灾危险性
B.懂预防火灾的措施
C.懂灭火方法
D.懂火灾的报警电话
E.懂逃生方法
A client is receiving an IV infusion of dextrose 5% in water and lactated Ringer’s solution at 125 mL/hr to treat a fluid volume deficit. Which of these signs indicates a need for additional IV fluids()
A. Serum sodium level of 125 mEq/L.
B. Temperature of 99.6 °F(37.6℃).
C. Neck vein distention.
D. Dark amber urine.