第34题: [单项选择]Which of the following laboratory tests is considered the most reliable indicator of renal function A. BUN. B. Urinalysis. C. Serum potassium. D. Serum creatinine. 参考答案:D 答案解析:Serum creatinine is the most reliable indicator of renal function.
第35题: [多项选择]通信网现代化的三大标志是()。 A. 自动化 B. 程序化 C. 数字化 D. 网络管理 参考答案:A,C,D