在病例对照研究中,下列哪种对照人群最佳()。
A.与病例来自同一人群
B.医院内的其他患者人群
C.病例的亲属人群
D.病例的邻居或同事人群
E.产生病例的一般普通人群
参考答案:A
何谓肉芽肿详细论述为什么结核结节的形成过程是机体免疫反应的具体形态学表现
A client returns from a myelogram, for which an iodized oil (Pantopaque) was used. Which one of the following nursing measures would be included in his care()
A. Bed rest with bathroom privileges.
B. Restricted fluid intake.
C. Head of the bed elevated 45 degrees.
D. Assessment of lower extremity movement and sensation.