颈椎结核的蔓延途径为()
A.咽后壁脓肿,流注至锁骨上窝
B.椎旁腰大肌脓肿
C.椎旁脓肿
D.沿髂腰肌流注至腹股沟部,甚至到腘窝
E.腰大肌脓肿和骶前脓肿
参考答案:A
Susan is an adolescent client with pregnancy-induced hypertension (PIH). The physician orders 5% dextrose in Ringer’s solution and magnesium sulfate intravenously for her. Before the magnesium sulfate is administered, which of the following assessments would be the priority
A. Maternal urinary output.B. Fetal position.C. Fetal heart rate variability.D. Maternal respiratory rat
珠光体钢与奥氏体钢焊接时,填充金属或焊缝金属的平均Cr、Ni当量对过渡层中()的形成有明显影响。
A、渗碳体
B、珠光体
C、马氏体
D、魏氏体